2013 Porsche 911 Carrera S

Transmission gear ratios, final drive data, and drivetrain specs for the 2013 Porsche 911 Carrera S.

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Engine

Engine: A103 / 3.8L naturally aspirated flat-6

Engine redline7,800 RPMSource

Drivetrain

Transmission: 7-Speed manual
Final Drive: 3.44
Tires: 245/35R20 / 295/30R20
Status: Sourced gearing

US specification / 991.1

Sources & engine identity

2013 – 911 Carrera (991) and 911 Carrera S (991) technical specificationsgear ratios, reverse, final drive, tires, RPM limit

Engine designation A103 linked to ACES base vehicle 125147 via SEMA Data / FRSport. ACES identifies fitment; the factory references supply gearing and RPM.

Factory gearbox options

Stock manual / 7-speed / final drive 3.44

Gear 1: 3.910
Gear 2: 2.290
Gear 3: 1.550
Gear 4: 1.300
Gear 5: 1.080
Gear 6: 0.880
Gear 7: 0.710
Reverse: 3.550

Transmission source

Stock automatic / PDK / 7-speed / final drive 3.44

Gear 1: 3.910
Gear 2: 2.290
Gear 3: 1.650
Gear 4: 1.300
Gear 5: 1.080
Gear 6: 0.880
Gear 7: 0.620
Reverse: 3.550

Transmission source

Default transmission ratios

Gear	Ratio	Overall	Step
1	3.910	13.450	-
2	2.290	7.878	1.707
3	1.550	5.332	1.477
4	1.300	4.472	1.192
5	1.080	3.715	1.204
6	0.880	3.027	1.227
7	0.710	2.442	1.239
R	3.550	12.212	-

Overall = gear ratio × final drive. Step = previous ratio ÷ current ratio.

Final Drive: 3.44Overall Spread: 5.507

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