AWF8F35

AWF8F35/45
AWF8F35/45
	Cutaway of an AWF8F35
Overview
Manufacturer	Aisin AW
Also called	BMW & Mini GA8F22AW; Toyota UA80E/UA80F; Volvo TG-81SC/SD; GM AWF8F45 & AF50-8; VW AQ450; PSA EAT8
Production	2013–present
Body and chassis
Class	8-speed transverse automatic transmission
Related	ZF 8HP · ZF 9HP
Chronology
Predecessor	AWTF-80 SC transmission

The Aisin AW F8FXX series is the world's first^[1] 8-speed automatic transmission designed for use in transverse engine applications. Aisin designed the transmission to package in the same space as preceding 6-speed designs, while increasing the total gear spread and reducing gear spacing.^[2] It is also called the EAT8 (PSA), GA8F22AW (BMW & Mini), TG-81SC (Volvo),^[3] AF50-8 (Opel/Vauxhall),^[4] AWF8F45^[5] (Cadillac), and AQ450 (Volkswagen Group).^[6] First usage was in the 2013 model year Lexus RX350 F Sport.

Gear Ratios^[a]
Gear Model	R2	R1	1	2	3	4	5	6	7	8	Total Span	Span Center	Avg. Step	Compo- nents

Transverse														3 Gearsets 2 Brakes 4 Clutches
AW F8F35 · 2013 AW F8F45 · 2013	−2.182	−4.255	5.200	2.971	1.950	1.470	1.224	1.000	0.817	0.686	7.583	1.888	1.336
AW F8F45 · 2013	−2.059	−4.015	5.250	3.029	1.950	1.457	1.221	1.000	0.809	0.673	7.800	1.880	1.341
AW F8F35 · 2013	−2.059	−4.221	5.519	3.184	2.050	1.492	1.235	1.000	0.801	0.673	8.200	1.927	1.351
Longitudinal
AA 80E · 2007	−2.176	−4.056	4.597	2.724	1.864	1.464	1.231	1.000	0.824	0.685	6.709	1.775	1.312
AA 80E · 2007	−2.053	−3.786	4.796	2.811	1.844	1.429	1.214	1.000	0.818	0.672	7.132	1.796	1.324
AA 80E · Porsche	−2.182	−4.024	4.919	2.811	1.844	1.429	1.207	1.000	0.827	0.686	7.173	1.836	1.325

^ Differences in gear ratios have a measurable, direct impact on vehicle dynamics, performance, waste emissions as well as fuel mileage

Specifications

Gearset 1 is not an ordinary gearset but a reversed one. It employs two planetary gears which mesh with each other. One of these planets meshes with the sun gear, the other planet meshes with the ring gear. This results in different ratios being generated by the planetary and also causes the sun gear to rotate in the same direction as the ring gear when the planet carrier is the stationary.

This made it possible to manage with three wheel sets. As a result, the transmission is more compact than eight-speed transmissions for conventional drives. This meant that an eight-speed automatic transmission was also possible for transverse engines. The same gearset concept was first used by Lexus in 2007 and was the very first eight-speed automatic transmission for passenger cars on the world market.

Drivetrain
Model	Final Drive
AWF8 F35 AWF8 F45	4.398
AWF8 F45	3.075 3.200
AWF8 F45	2.561
AA 80E	2.69

Gear Ratios
With Assessment				Planetary Gearset: Teeth^[a]				Count	Total^[b] Center^[c]	Avg.^[d]
With Assessment				Reversed	Ravigneaux			Count	Total^[b] Center^[c]	Avg.^[d]

Model Type	Version First Delivery			S₁^[e] R₁^[f]	S₂^[g] R₂^[h]	S₃^[i] R₃^[j]		Brakes Clutches	Ratio Span	Gear Step^[k]
Gear Ratio	R2 ${i_{R2}}$	R1 ${i_{R1}}$	1 ${i_{1}}$	2 ${i_{2}}$	3 ${i_{3}}$	4 ${i_{4}}$	5 ${i_{5}}$	6 ${i_{6}}$	7 ${i_{7}}$	8 ${i_{8}}$
Step^[k]	${\tfrac {i_{R1}}{i_{R2}}}$	$-{\tfrac {i_{R1}}{i_{1}}}$ ^[l]	${\tfrac {i_{1}}{i_{1}}}$	${\tfrac {i_{1}}{i_{2}}}$ ^[m]	${\tfrac {i_{2}}{i_{3}}}$	${\tfrac {i_{3}}{i_{4}}}$	${\tfrac {i_{4}}{i_{5}}}$	${\tfrac {i_{5}}{i_{6}}}$	${\tfrac {i_{6}}{i_{7}}}$	${\tfrac {i_{7}}{i_{8}}}$
Δ Step^[n]^[o]				${\tfrac {i_{1}}{i_{2}}}:{\tfrac {i_{2}}{i_{3}}}$	${\tfrac {i_{2}}{i_{3}}}:{\tfrac {i_{3}}{i_{4}}}$	${\tfrac {i_{3}}{i_{4}}}:{\tfrac {i_{4}}{i_{5}}}$	${\tfrac {i_{4}}{i_{5}}}:{\tfrac {i_{5}}{i_{6}}}$	${\tfrac {i_{5}}{i_{6}}}:{\tfrac {i_{6}}{i_{7}}}$	${\tfrac {i_{6}}{i_{7}}}:{\tfrac {i_{7}}{i_{8}}}$
Shaft Speed	${\tfrac {i_{1}}{i_{R2}}}$	${\tfrac {i_{1}}{i_{R1}}}$	${\tfrac {i_{1}}{i_{1}}}$	${\tfrac {i_{1}}{i_{2}}}$	${\tfrac {i_{1}}{i_{3}}}$	${\tfrac {i_{1}}{i_{4}}}$	${\tfrac {i_{1}}{i_{5}}}$	${\tfrac {i_{1}}{i_{6}}}$	${\tfrac {i_{1}}{i_{7}}}$	${\tfrac {i_{1}}{i_{8}}}$
Δ Shaft Speed^[p]	${\tfrac {i_{1}}{i_{R1}}}-{\tfrac {i_{1}}{i_{R2}}}$	$0-{\tfrac {i_{1}}{i_{R1}}}$	${\tfrac {i_{1}}{i_{1}}}-0$	${\tfrac {i_{1}}{i_{2}}}-{\tfrac {i_{1}}{i_{1}}}$	${\tfrac {i_{1}}{i_{3}}}-{\tfrac {i_{1}}{i_{2}}}$	${\tfrac {i_{1}}{i_{4}}}-{\tfrac {i_{1}}{i_{3}}}$	${\tfrac {i_{1}}{i_{5}}}-{\tfrac {i_{1}}{i_{4}}}$	${\tfrac {i_{1}}{i_{6}}}-{\tfrac {i_{1}}{i_{5}}}$	${\tfrac {i_{1}}{i_{7}}}-{\tfrac {i_{1}}{i_{6}}}$	${\tfrac {i_{1}}{i_{8}}}-{\tfrac {i_{1}}{i_{7}}}$

Transverse engines
AW F8F35 AW F8F45	350 N⋅m (258 lb⋅ft) · 2013 480 N⋅m (354 lb⋅ft) · 2013			38 78	36 44	44 96		2 4	7.5833 1.8883	1.3357^[k]
Gear Ratio	−2.1818 $-{\tfrac {24}{11}}$	−4.2545^[l] $-{\tfrac {234}{55}}$	5.2000 ${\tfrac {26}{5}}$	2.9714^[m]^[o] ${\tfrac {104}{35}}$	1.9500 ${\tfrac {39}{20}}$	1.4700^[k]^[p] ${\tfrac {416}{283}}$	1.2235^[o]^[p] ${\tfrac {104}{85}}$	1.0000^[o] ${\tfrac {1}{1}}$	0.8175 ${\tfrac {936}{1,145}}$	0.6857 ${\tfrac {24}{35}}$
Step	1.9500	0.8181^[l]	1.0000	1.7500^[m]	1.5238	1.3266^[k]	1.2014	1.2235	1.2233	1.1921
Δ Step^[n]				1.1484^[o]	1.1486	1.1042	0.9819^[o]	1.0002^[o]	1.0261
Speed	–2.3833	-1.2222	1.0000	1.7500	2.6667	3.5375	4.2500	5.200	6.3611	7.5833
Δ Speed	1.1611	1.2222	1.0000	0.7500	0.9167	0.8708^[p]	0.7125^[p]	0.9500	1.1611	1.2222

AW F8F45	480 N⋅m (354 lb⋅ft) · 2013^[5]			38 78	26 34	34 70		2 4	7.8000 1.8798	1.3410^[k]
Gear Ratio	−2.0588 $-{\tfrac {35}{17}}$	−4.0147^[l] $-{\tfrac {273}{68}}$	5.2500 ${\tfrac {21}{4}}$	3.0288^[m]^[o] ${\tfrac {315}{104}}$	1.9500 ${\tfrac {39}{20}}$	1.4570^[k]^[p] ${\tfrac {1,575}{1,081}}$	1.2209^[o]^[p] ${\tfrac {105}{86}}$	1.0000^[o] ${\tfrac {1}{1}}$	0.8086 ${\tfrac {1,365}{1,688}}$	0.6731 ${\tfrac {35}{52}}$
Step	1.9500	0.7647^[l]	1.0000	1.7333^[m]	1.5533	1.3384^[k]	1.1933	1.2209	1.2366	1.2014
Δ Step^[n]				1.1159^[o]	1.1605	1.1215	0.9774^[o]	0.9873^[o]	1.0293
Speed	–2.5500	-1.3077	1.0000	1.7333	2.6923	3.6033	4.3000	5.2500	6.4923	7.5833
Δ Speed	1.2423	1.3077	1.0000	0.7333	0.9590	0.9110^[p]	0.6967^[p]	0.9500	1.2423	1.3077

AW F8F35	350 N⋅m (258 lb⋅ft) · 2013			42 82	26 34	34 70		2 4	8.2000 1.9274	1.3507^[k]
Gear Ratio	−2.0588 $-{\tfrac {35}{17}}$	−4.2206^[l] $-{\tfrac {287}{68}}$	5.5192 ${\tfrac {287}{52}}$	3.1842^[m]^[o] ${\tfrac {4,305}{1,352}}$	2.0500^[o] ${\tfrac {41}{20}}$	1.4920 ${\tfrac {3,075}{2,061}}$	1.2349^[o]^[p] ${\tfrac {205}{166}}$	1.0000^[o] ${\tfrac {1}{1}}$	0.8008 ${\tfrac {205}{256}}$	0.6731 ${\tfrac {35}{52}}$
Step	2.0500	0.7647^[l]	1.0000	1.7333^[m]	1.5533	1.3740	1.2082	1.2349	1.2488	1.1897
Δ Step^[n]				1.1159^[o]	1.1305^[o]	1.1372	0.9783^[o]	0.9889^[o]	1.0496
Speed	–2.6808	-1.3077	1.0000	1.7333	2.6923	3.6992	4.4692	5.5192	6.8923	8.2000
Δ Speed	1.3731	1.3077	1.0000	0.7333	0.9590	1.0069	0.7700^[p]	1.0500	1.3731	1.3077
Longitudinal engines
AA 80E Lexus	480 N⋅m (354 lb⋅ft) · 2007			38 82	30 34	34 74		2 4	6.7091 1.7748	1.3125^[k]
Gear Ratio	−2.1765 $-{\tfrac {37}{17}}$	−4.0561^[l] $-{\tfrac {1,517}{374}}$	4.5970 ${\tfrac {1,517}{330}}$	2.7241^[m] ${\tfrac {12,136}{4,455}}$	1.8636 ${\tfrac {41}{22}}$	1.4642^[k]^[p] ${\tfrac {24,272}{16,577}}$	1.2313^[o]^[p] ${\tfrac {1,517}{1,232}}$	1.0000 ${\tfrac {1}{1}}$	0.8245 ${\tfrac {1,517}{1,840}}$	0.6852 ${\tfrac {37}{54}}$
Step	1.8636	0.8824^[l]	1.0000	1.6875^[m]	1.4617	1.2728^[k]	1.1891	1.2313	1.2129	1.2033
Δ Step^[n]				1.1545	1.1484	1.0704	0.9657^[o]	1.0152	1.0080
Speed	–2.1121	-1.1333	1.0000	1.6875	2.4667	3.1396	3.7333	4.5970	5.5758	6.7091
Δ Speed	0.9788	1.1333	1.0000	0.6875	0.7792	0.6729^[p]	0.5938^[p]	0.8636	0.9788	1.1333

AA 80E				38 83	30 38	38 78		2 4	7.1319 1.7957	1.3240^[k]
Gear Ratio	−2.0526 $-{\tfrac {39}{19}}$	−3.7860^[l] $-{\tfrac {1,079}{285}}$	4.7956 ${\tfrac {1,079}{225}}$	2.8112^[m]^[o] ${\tfrac {18,343}{6,525}}$	1.8444 ${\tfrac {83}{45}}$	1.4294^[k]^[p] ${\tfrac {18,343}{12833}}$	1.2137^[o]^[p] ${\tfrac {1,079}{889}}$	1.0000^[o] ${\tfrac {1}{1}}$	0.8176 ${\tfrac {3,237}{3,959}}$	0.6724 ${\tfrac {39}{58}}$
Step	1.8444	0.7895^[l]	1.0000	1.7059^[m]	1.5241	1.2904^[k]	1.1777	1.2137	1.2230	1.2160
Δ Step^[n]				1.1192^[o]	1.1811	1.0957	0.9703^[o]	0.9924^[o]	1.0058
Speed	–2.3363	-1.2667	1.0000	1.7059	2.6000	3.3550	3.9511	4.7956	5.8653	7.1319
Δ Speed	1.0696	1.2667	1.0000	0.7059	0.8941	0.7550^[p]	0.5961^[p]	0.8444	1.0696	1.2667

AA 80E Porsche	650 N⋅m (479 lb⋅ft) · 2013			38 83	36 44	44 96		2 4	7.1728 1.8365	1.3251^[k]
Gear Ratio	−2.1818 $-{\tfrac {24}{11}}$	−4.0242^[l] $-{\tfrac {664}{165}}$	4.9185 ${\tfrac {664}{135}}$	2.8106^[m]^[o] ${\tfrac {2656}{945}}$	1.8444 ${\tfrac {83}{45}}$	1.4295^[k]^[p] ${\tfrac {1,328}{929}}$	1.2073^[o]^[p] ${\tfrac {332}{275}}$	1.0000^[o] ${\tfrac {1}{1}}$	0.8266 ${\tfrac {996}{1205}}$	0.6857 ${\tfrac {24}{35}}$
Step	1.8444	0.8181^[l]	1.0000	1.7500^[m]	1.5238	1.2903^[k]	1.1841	1.2073	1.2098	1.2054
Δ Step^[n]				1.1484^[o]	1.1810	1.0897	0.9808^[o]	0.9979^[o]	1.0037
Speed	–2.2543	-1.2222	1.0000	1.7500	2.6667	3.3550	3.9511	4.7956	5.8653	7.1319
Δ Speed	1.0321	1.2222	1.0000	0.7500	0.9167	0.7741^[p]	0.6333^[p]	0.8444	1.0321	1.2222

Ratio R & Even	$i_{R2}=-{\tfrac {S_{3}}{R_{3}}}$		${\tfrac {R_{1}R_{3}(S_{2}+R_{2})}{S_{2}(R_{1}-S_{1})(S_{3}+R_{3})}}$		${\tfrac {R_{1}R_{3}(S_{2}+R_{2})}{S_{2}R_{3}(R_{1}-S_{1})+R_{1}R_{2}R_{3}-S_{1}S_{2}S_{3}}}$			$i_{6}={\tfrac {1}{1}}$	$1_{8}={\tfrac {R_{3}}{S_{3}+R_{3}}}$
Ratio R & Odd	$i_{R1}={\tfrac {R_{1}R_{3}}{S_{3}(S_{1}-R_{1})}}$		$i_{1}={\tfrac {R_{1}R_{2}R_{3}}{S_{2}S_{3}(R_{1}-S_{1})}}$		$i_{3}={\tfrac {R_{1}}{R_{1}-S_{1}}}$		${\tfrac {R_{1}R_{2}R_{3}}{R_{1}R_{2}R_{3}-S_{1}S_{2}S_{3}}}$		${\tfrac {R_{1}R_{3}}{R_{1}R_{3}-S_{1}S_{3}}}$
Algebra And Actuated Shift Elements
Brake A				❶						❶
Brake B	❶	❶	❶
Clutch C			❶	❶	❶	❶	❶
Clutch D							❶	❶	❶	❶
Clutch E		❶			❶				❶
Clutch F	❶					❶		❶

^ Layout Input and output are on opposite sides Planetary gearset 1 is on the input (turbine) side Input shafts are C₁ (planetary gear carrier of reversed gearset 1) and, if actuated, C₂ and C₃ (the compound planetary gear carrier of the Ravigneaux gearset) Output shaft is R₃ (ring gear of outer Ravigneaux gearset) ^ Total Ratio Span (Total Ratio Spread · Total Gear Ratio) ${\tfrac {i_{n}}{i_{1}}}$ A wider span enables the downspeeding when driving outside the city limits increase the climbing ability when driving over mountain passes or off-road or when towing a trailer ^ Ratio Span's Center $(i_{n}i_{1})^{\tfrac {1}{2}}$ The center indicates the speed level of the transmission Together with the final drive ratio it gives the shaft speed level of the vehicle ^ Average Gear Step $({\tfrac {i_{n}}{i_{1}}})^{\tfrac {1}{n-1}}$ With decreasing step width the gears connect better to each other shifting comfort increases ^ Sun 1: sun gear of gearset 1: reversed gearset ^ Ring 1: ring gear of gearset 1 reversed gearset ^ Sun 2: sun gear of gearset 2: inner Ravigneaux gearset ^ Ring 2: ring gear of gearset 2: inner Ravigneaux gearset ^ Sun 3: sun gear of gearset 3: outer Ravigneaux gearset ^ Ring 3: ring gear of gearset 3: outer Ravigneaux gearset ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r Standard 50:50 — 50 % Is Above And 50 % Is Below The Average Gear Step — With steadily decreasing gear steps (yellow highlighted line Step) and a particularly large step from 1st to 2nd gear the lower half of the gear steps (between the small gears; rounded down, here the first three) is always larger and the upper half of the gear steps (between the large gears; rounded up, here the last four) is always smaller than the average gear step (cell highlighted yellow two rows above on the far right) lower half: smaller gear steps are a waste of possible ratios (red bold) upper half: larger gear steps are unsatisfactory (red bold) ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m Standard R:1 — Reverse And 1st Gear Have The Same Ratio — The ideal reverse gear has the same transmission ratio as 1st gear no impairment when maneuvering especially when towing a trailer a torque converter can only partially compensate for this deficiency Plus 11.11 % minus 10 % compared to 1st gear is good Plus 25 % minus 20 % is acceptable (red) Above this is unsatisfactory (bold) ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m Standard 1:2 — Gear Step 1st To 2nd Gear As Small As Possible — With continuously decreasing gear steps (yellow marked line Step) the largest gear step is the one from 1st to 2nd gear, which for a good speed connection and a smooth gear shift must be as small as possible A gear ratio of up to 1.6667:1 (5:3) is good Up to 1.7500:1 (7:4) is acceptable (red) Above is unsatisfactory (bold) ^ ^a ^b ^c ^d ^e ^f ^g From large to small gears (from right to left) ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab ^ac ^ad ^ae ^af ^ag ^ah ^ai Standard STEP — From Large To Small Gears: Steady And Progressive Increase In Gear Steps — Gear steps should increase: Δ Step (first green highlighted line Δ Step) is always greater than 1 As progressive as possible: Δ Step is always greater than the previous step Not progressively increasing is acceptable (red) Not increasing is unsatisfactory (bold) ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w Standard SPEED — From Small To Large Gears: Steady Increase In Shaft Speed Difference — Shaft speed differences should increase: Δ Shaft Speed (second line marked in green Δ (Shaft) Speed) is always greater than the previous one One difference smaller than the previous one is acceptable (red) Two consecutive ones are a waste of possible ratios (bold)

Applications

BMW/MINI

2015–present BMW 2 Series Active Tourer (F45) and Gran Tourer (F46) with 4-cylinder engines
2016–present BMW X1 (F48) with 4-cylinder engines
2016–present Mini Clubman (F54) with 4-cylinder engines
2016–present Mini Countryman (F60) with 4-cylinder engines (and B38 with AWD)
2018–present Mini Cooper SD (F55/F56) and JCW (F56) due to torque output over 300Nm
2018–present BMW X2 (F39) with 4-cylinder engines
2019–present BMW 1 Series (F40) with 4-cylinder engines
2020–present BMW 2 Series Gran Coupé with 4-cylinder engines

Changan

2019–present Oshan COS1° GT
2019–present Changan CS85
2020–present Changan UNI-K
2021–present Changan UNI-V
2022–present Changan CS75

Chery

2023–present Chery Tiggo 9 (AWD)

Citroën

2017–present Citroën C5 Aircross
2018–present Citroën Grand C4 SpaceTourer
2019–present Citroën Berlingo
2020–present Citroën C4
2021–present Citroën C5 X

DS Automobiles

2018–present DS 7
2019–present DS 3
2020–present DS 9
2021–present DS 4

Exeed

2023–present Exeed Lanyue

Geely

2019–present Xingyue S/Xingyue L^[7]
2020–present Geely Xingrui

GM

2016 Chevrolet Malibu
2017 Buick LaCrosse^[8]
2017–2019 Cadillac XT5^[5]
2018–2020 Buick Regal TourX, (I4 AWD only)

Jaguar

2020–present Jaguar E-Pace (1.5t 3-cylinder engines)

Land Rover

2020–present Discovery Sport (1.5t 3-cylinder engines)
2020–present Evoque (1.5t 3-cylinder engines)

Lexus

2012–present Lexus RX (V6 AL10 F-Sport, AL20 & AL30 non Hybrids)
2018–present Lexus ES (non-hybrid engines)
2020–present Lexus LM (LM350)
2022–present Lexus NX (non-hybrid engines)
2024–present Lexus LBX (Morizo RR)

Lynk & Co

2017–present 01
2018–present 03
2020–present 05^[9]
2021–present 02
2021–present 09

Mitsubishi

2017–present Mitsubishi Eclipse Cross (diesel engines)
2019–present Mitsubishi Delica (diesel engines)

Opel/Vauxhall

2017–present Opel Insignia
2017–present Opel Grandland X
2018–present Opel Combo
2020–present Opel Corsa
2020–present Opel Mokka
2021–present Opel Astra L^{[broken anchor]}

Peugeot

2017–present Peugeot 5008
2017–present Peugeot 308
2019–present Peugeot 3008 1.6 EAT8 & 2.0 EAT8
2018–present Peugeot 508 EAT8
2019–present Peugeot Rifter EAT8
2019–present Peugeot 208
2019–present Peugeot 2008
2022–present Peugeot 408

Polestar

2019–present Polestar 1

Škoda

2018–present Škoda Karoq (Australian market)
2020–present Škoda Octavia (some markets)

Toyota (as UA8xx)

2018–present Toyota Avalon (non-hybrid engines)
2018–present Toyota Alphard/Vellfire
2018–present Toyota Camry (non-hybrid engines)
2017–2020 Toyota Sienna
2019–present Toyota RAV4 (non-hybrid)
2020–present Toyota Highlander/Grand Highlander
2024–present Toyota GR Yaris

Volkswagen/MAN

2017–present Volkswagen Crafter and MAN TGE (transversely mounted engine only)
2018–present Volkswagen Tiguan (US version only)^[10]
2018–present Volkswagen Atlas (US version only)
2018–present Volkswagen Golf (US MK7 & MK8 in some markets)
2019–present Volkswagen Jetta (US version only)
2019–present Volkswagen Arteon (US version only)
2022–Volkswagen Taos (FWD models)^[11]

Volvo (TG-81SC/SD)

2014–2016 Volvo S80 II^[12]
2014–2016 Volvo V70 II^[13]
2014–2016 Volvo XC70 II
2014–2017 Volvo XC60
2015–2018 Volvo S60 II
2015–2018 Volvo V60
2014–present Volvo XC90 II^[14]
2016–present Volvo S90 II^[14]
2016–present Volvo V90 II^[14]
2016–present Volvo V40
2017–present Volvo XC60 II
2017–present Volvo XC40^[15]
2018–present Volvo V60 II^[3]
2018–present Volvo S60 III

References

^ Toshihiko Aoki; Hiroshi Kato; Naoki Kato; Morise Masaru (8 April 2013). The World's First Transverse 8-Speed Automatic Transmission (Technical report). SAE International. doi:10.4271/2013-01-1274. 2013-01-1274.
^ Aisin AW Co. "High Torque Capacity FWD 8-speed AT". www.aisin-aw.co.jp. Archived from the original on 2018-05-20. Retrieved 2018-05-19.
^ ^a ^b "Volvo V60 prijslijst Modeljaar 2019" [Volvo V60 price list model year 2019] (PDF). volvo-tools-prd-media.s3.amazonaws.com (in Dutch). Volvo Cars Netherlands. July 2018. pp. 18–19. Archived (PDF) from the original on 2021-10-16. Retrieved 2018-07-14. File valid from 12 November 2018
^ Geord Bednarek (2 December 2016). "Der neue Insignia – im 8-Stufen Takt" [The new Insignia – with 8-step beat]. www.opel-blog.com (in German). Opel AG. Archived from the original on 2017-10-15. Retrieved 2017-12-29.
^ ^a ^b ^c "Cadillac XT5 Initiates New Series of Cadillac Luxury Crossovers" (PDF). media.cadillac.com (Press release). Cadillac. 9 November 2015. p. 12. Retrieved 2018-07-14. No archive due to robots.txt
^ "8 Speed Auto (US) Transmission and Torque Capacity".
^ "Test Drive Geely Xingyue Coupe SUV Review". 29 May 2019.
^ "All-New 2017 Buick LaCrosse is Here | TechLink". sandyblogs.com. Retrieved 2018-08-02.
^ "Lynk & Co. Reveals 05 coupe-like crossover".
^ Don Sherman (December 2016). "2018 Volkswagen Tiguan: We Finally Sample the U.S. Version". caranddriver.com.
^ "2022 Volkswagen Taos: What We Know So Far". 21 April 2021.
^ Chris Davies (5 September 2014). "2015 Volvo S80 D4 Geartronic SE Lux review – Updated Swedish Exec Gets Greener". carproductstested.com. Archived from the original on 2017-11-07. Retrieved 2017-12-28.
^ "Volvo V70 – model year 2014". www.media.volvocars.com. Volvo Car Corporation. 13 May 2013. Archived from the original on 2013-10-23. Retrieved 2017-12-28.
^ ^a ^b ^c Paul Weissler (20 January 2016). "Volvo's 2017 S90 has standard semi-autonomous driving system". articles.sae.org. SAE International. Archived from the original on 2017-10-17. Retrieved 2017-12-29.
^ Gary Witzenburg (8 January 2018). "2019 XC40 spearheads Volvo's new CMA platform". SAE International. Archived from the original on 2018-06-12. Retrieved 2018-06-08.

[7] Differences in gear ratios have a measurable, direct impact on vehicle dynamics, performance, waste emissions as well as fuel mileage

[8] Layout
Input and output are on opposite sides

Planetary gearset 1 is on the input (turbine) side

Input shafts are C₁ (planetary gear carrier of reversed gearset 1) and, if actuated, C₂ and C₃ (the compound planetary gear carrier of the Ravigneaux gearset)

Output shaft is R₃ (ring gear of outer Ravigneaux gearset)

[3] Input and output are on opposite sides

[4] Planetary gearset 1 is on the input (turbine) side

[5] Input shafts are C₁ (planetary gear carrier of reversed gearset 1) and, if actuated, C₂ and C₃ (the compound planetary gear carrier of the Ravigneaux gearset)

[6] Output shaft is R₃ (ring gear of outer Ravigneaux gearset)

[9] Total Ratio Span (Total Ratio Spread · Total Gear Ratio)
${\tfrac {i_{n}}{i_{1}}}$

A wider span enables the
downspeeding when driving outside the city limits

increase the climbing ability
when driving over mountain passes or off-road

or when towing a trailer

[8] ${\tfrac {i_{n}}{i_{1}}}$

[9] A wider span enables the
downspeeding when driving outside the city limits

increase the climbing ability
when driving over mountain passes or off-road

or when towing a trailer

[10] wnspeeding when driving outside the city limits

[11] rease the climbing ability
when driving over mountain passes or off-road

or when towing a trailer

[12] when driving over mountain passes or off-road

[13] r when towing a trailer

[10] Ratio Span's Center
$(i_{n}i_{1})^{\tfrac {1}{2}}$

The center indicates the speed level of the transmission

Together with the final drive ratio

it gives the shaft speed level of the vehicle

[15] $(i_{n}i_{1})^{\tfrac {1}{2}}$

[16] The center indicates the speed level of the transmission

[17] Together with the final drive ratio

[18] t gives the shaft speed level of the vehicle

[11] Average Gear Step
$({\tfrac {i_{n}}{i_{1}}})^{\tfrac {1}{n-1}}$

With decreasing step width
the gears connect better to each other

shifting comfort increases

[20] $({\tfrac {i_{n}}{i_{1}}})^{\tfrac {1}{n-1}}$

[21] With decreasing step width
the gears connect better to each other

shifting comfort increases

[22] the gears connect better to each other

[23] shifting comfort increases

[12] Sun 1: sun gear of gearset 1: reversed gearset

[13] Ring 1: ring gear of gearset 1 reversed gearset

[14] Sun 2: sun gear of gearset 2: inner Ravigneaux gearset

[15] Ring 2: ring gear of gearset 2: inner Ravigneaux gearset

[16] Sun 3: sun gear of gearset 3: outer Ravigneaux gearset

[17] Ring 3: ring gear of gearset 3: outer Ravigneaux gearset

[50:50-18] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r Standard 50:50
— 50 % Is Above And 50 % Is Below The Average Gear Step —
With steadily decreasing gear steps (yellow highlighted line Step)

and a particularly large step from 1st to 2nd gear
the lower half of the gear steps (between the small gears; rounded down, here the first three) is always larger

and the upper half of the gear steps (between the large gears; rounded up, here the last four) is always smaller

than the average gear step (cell highlighted yellow two rows above on the far right)

lower half: smaller gear steps are a waste of possible ratios (red bold)

upper half: larger gear steps are unsatisfactory (red bold)

[31] With steadily decreasing gear steps (yellow highlighted line Step)

[32] rticularly large step from 1st to 2nd gear
the lower half of the gear steps (between the small gears; rounded down, here the first three) is always larger

and the upper half of the gear steps (between the large gears; rounded up, here the last four) is always smaller

[33] the lower half of the gear steps (between the small gears; rounded down, here the first three) is always larger

[34] the upper half of the gear steps (between the large gears; rounded up, here the last four) is always smaller

[35] than the average gear step (cell highlighted yellow two rows above on the far right)

[36] wer half: smaller gear steps are a waste of possible ratios (red bold)

[37] upper half: larger gear steps are unsatisfactory (red bold)

[R:1-19] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m Standard R:1
— Reverse And 1st Gear Have The Same Ratio —
The ideal reverse gear has the same transmission ratio as 1st gear
no impairment when maneuvering

especially when towing a trailer

a torque converter can only partially compensate for this deficiency

Plus 11.11 % minus 10 % compared to 1st gear is good

Plus 25 % minus 20 % is acceptable (red)

Above this is unsatisfactory (bold)

[39] The ideal reverse gear has the same transmission ratio as 1st gear
no impairment when maneuvering

especially when towing a trailer

a torque converter can only partially compensate for this deficiency

[40] rment when maneuvering

[41] specially when towing a trailer

[42] torque converter can only partially compensate for this deficiency

[43] Plus 11.11 % minus 10 % compared to 1st gear is good

[44] Plus 25 % minus 20 % is acceptable (red)

[45] Above this is unsatisfactory (bold)

[1:2-20] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m Standard 1:2
— Gear Step 1st To 2nd Gear As Small As Possible —
With continuously decreasing gear steps (yellow marked line Step)

the largest gear step is the one from 1st to 2nd gear, which
for a good speed connection and

a smooth gear shift

must be as small as possible
A gear ratio of up to 1.6667:1 (5:3) is good

Up to 1.7500:1 (7:4) is acceptable (red)

Above is unsatisfactory (bold)

[47] With continuously decreasing gear steps (yellow marked line Step)

[48] the largest gear step is the one from 1st to 2nd gear, which
for a good speed connection and

a smooth gear shift

[49] r a good speed connection and

[50] smooth gear shift

[51] ust be as small as possible
A gear ratio of up to 1.6667:1 (5:3) is good

Up to 1.7500:1 (7:4) is acceptable (red)

Above is unsatisfactory (bold)

[52] A gear ratio of up to 1.6667:1 (5:3) is good

[53] Up to 1.7500:1 (7:4) is acceptable (red)

[54] Above is unsatisfactory (bold)

[LS-21] ^ ^a ^b ^c ^d ^e ^f ^g From large to small gears (from right to left)

[step-22] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab ^ac ^ad ^ae ^af ^ag ^ah ^ai Standard STEP
— From Large To Small Gears: Steady And Progressive Increase In Gear Steps —
Gear steps should
increase: Δ Step (first green highlighted line Δ Step) is always greater than 1

As progressive as possible: Δ Step is always greater than the previous step

Not progressively increasing is acceptable (red)

Not increasing is unsatisfactory (bold)

[57] Gear steps should
increase: Δ Step (first green highlighted line Δ Step) is always greater than 1

As progressive as possible: Δ Step is always greater than the previous step

[58] increase: Δ Step (first green highlighted line Δ Step) is always greater than 1

[59] As progressive as possible: Δ Step is always greater than the previous step

[60] Not progressively increasing is acceptable (red)

[61] Not increasing is unsatisfactory (bold)

[speed-23] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w Standard SPEED
— From Small To Large Gears: Steady Increase In Shaft Speed Difference —
Shaft speed differences should
increase: Δ Shaft Speed (second line marked in green Δ (Shaft) Speed) is always greater than the previous one

One difference smaller than the previous one is acceptable (red)

Two consecutive ones are a waste of possible ratios (bold)

[63] Shaft speed differences should
increase: Δ Shaft Speed (second line marked in green Δ (Shaft) Speed) is always greater than the previous one

[64] increase: Δ Shaft Speed (second line marked in green Δ (Shaft) Speed) is always greater than the previous one

[65] One difference smaller than the previous one is acceptable (red)

[66] Two consecutive ones are a waste of possible ratios (bold)

[1] Toshihiko Aoki; Hiroshi Kato; Naoki Kato; Morise Masaru (8 April 2013). The World's First Transverse 8-Speed Automatic Transmission (Technical report). SAE International. doi:10.4271/2013-01-1274. 2013-01-1274.

[2] Aisin AW Co. "High Torque Capacity FWD 8-speed AT". www.aisin-aw.co.jp. Archived from the original on 2018-05-20. Retrieved 2018-05-19.

[V60_2_NL_MY19-3] "Volvo V60 prijslijst Modeljaar 2019" [Volvo V60 price list model year 2019] (PDF). volvo-tools-prd-media.s3.amazonaws.com (in Dutch). Volvo Cars Netherlands. July 2018. pp. 18–19. Archived (PDF) from the original on 2021-10-16. Retrieved 2018-07-14. File valid from 12 November 2018

[4] Geord Bednarek (2 December 2016). "Der neue Insignia – im 8-Stufen Takt" [The new Insignia – with 8-step beat]. www.opel-blog.com (in German). Opel AG. Archived from the original on 2017-10-15. Retrieved 2017-12-29.

[XT5_F45-5] "Cadillac XT5 Initiates New Series of Cadillac Luxury Crossovers" (PDF). media.cadillac.com (Press release). Cadillac. 9 November 2015. p. 12. Retrieved 2018-07-14. No archive due to robots.txt

[6] "8 Speed Auto (US) Transmission and Torque Capacity".

[24] "Test Drive Geely Xingyue Coupe SUV Review". 29 May 2019.

[25] "All-New 2017 Buick LaCrosse is Here | TechLink". sandyblogs.com. Retrieved 2018-08-02.

[26] "Lynk & Co. Reveals 05 coupe-like crossover".

[27] Don Sherman (December 2016). "2018 Volkswagen Tiguan: We Finally Sample the U.S. Version". caranddriver.com.

[28] "2022 Volkswagen Taos: What We Know So Far". 21 April 2021.

[29] Chris Davies (5 September 2014). "2015 Volvo S80 D4 Geartronic SE Lux review – Updated Swedish Exec Gets Greener". carproductstested.com. Archived from the original on 2017-11-07. Retrieved 2017-12-28.

[30] "Volvo V70 – model year 2014". www.media.volvocars.com. Volvo Car Corporation. 13 May 2013. Archived from the original on 2013-10-23. Retrieved 2017-12-28.

[SAE_SPA_90-31] Paul Weissler (20 January 2016). "Volvo's 2017 S90 has standard semi-autonomous driving system". articles.sae.org. SAE International. Archived from the original on 2017-10-17. Retrieved 2017-12-29.

[32] Gary Witzenburg (8 January 2018). "2019 XC40 spearheads Volvo's new CMA platform". SAE International. Archived from the original on 2018-06-12. Retrieved 2018-06-08.

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