Introduction
The 911 has the most extreme factory offsets of any car in this series, and for a specific reason: the engine is behind the rear axle. To package a very wide rear tyre under a body that is not proportionally wide, Porsche uses rear offsets that reach ET77 — more than 30 mm higher than the front axle on the same car. Nothing about 911 fitment transfers from a front-engined car.
Scope note: this guide covers bolt-on wheels only — Carrera, Carrera 4, Carrera S and 997 Turbo. GT3, GT2 and Turbo S models from the 991 generation onward use centre-lock hubs, which are a completely different mounting system with a 101 mm hub and a single central nut. Centre-lock wheels and five-bolt wheels are not interchangeable in either direction, and centre-lock fitment is outside the scope of this article.
Section 1: OEM Wheel Specifications
Bolt-on 911s share the same core hardware: 5×130 bolt pattern, 71.6 mm hub bore, M14 x 1.5 lug bolts. Torque is quoted at 130 Nm on some variants and 160 Nm on others — check your own model rather than assuming.
| Generation | Years | Model | Front Wheel | Rear Wheel | Front Tyre | Rear Tyre |
|---|---|---|---|---|---|---|
| 997.1 | 2004–2010 | Carrera 3.6 | 8Jx18 ET57 | 10Jx18 ET58 | 235/40R18 | 265/40R18 |
| 997.1 | 2004–2010 | Carrera 4 3.6 | 8Jx18 ET57 | 11Jx18 ET51 | 235/40ZR18 | 295/35ZR18 |
| 997.1 | 2004–2010 | Carrera 4S 3.8 | 8Jx19 ET57 | 11Jx19 ET51 | 235/35ZR19 | 305/30ZR19 |
| 997.1 | 2004–2010 | Turbo 3.6 | 8.5Jx19 ET56 | 11Jx19 ET51 | 235/35ZR19 | 305/30ZR19 |
| 991.2 | 2015–2020 | Carrera 3.0 (RWD) | 8.5Jx19 ET50 | 11Jx19 ET77 | 235/40R19 | 295/35R19 |
| 991.2 | 2015–2020 | Carrera 4 3.0 | 8.5Jx19 ET50 | 11Jx19 ET56 | 235/40R19 | 295/35R19 |
| 991.1 | 2012–2015 | Carrera 3.4 (RWD) | 8.5Jx19 ET54 | 11Jx19 ET69 | 235/40R19 | 285/35R19 |
| 991.1 | 2012–2015 | Carrera 4 3.4 | 8.5Jx19 ET54 | 11Jx19 ET48 | 235/40ZR19 | 295/35ZR19 |
Read the rear column carefully. A rear-wheel-drive 991 Carrera runs ET77 at the rear. The same car in Carrera 4 form runs ET56 — a 21 mm difference on an otherwise identical-looking wheel. RWD and AWD 911 rear wheels are not interchangeable, and this is the most common 911 fitment mistake. A listing that says “fits 991 Carrera” without specifying RWD or 4 is not enough information.
5×130 is shared with Volkswagen Touareg, Audi Q7 and Mercedes Sprinter — not with any other sports car. In practice the used 911 wheel market is its own ecosystem, and cross-shopping from other platforms rarely works because the offsets those vehicles use are nowhere near 911 territory.
Section 2: Recommended Fitment Ranges
Factory-Faithful
Stay on the model-specific figures in the table. On a 911 there is very little useful margin — the arches are shaped tightly around the factory wheel, and the rear suspension geometry is unforgiving of offset changes.
- Front: ET50 to ET57 across both generations
- Rear: ET48 (997 Carrera 4) up to ET77 (991 RWD Carrera)
- Hub bore: 71.6 mm on bolt-on cars
Aftermarket Fitment
Because factory rear offsets are so high, the normal aftermarket route on a 911 is a wheel made specifically for the platform rather than a generic 5×130 wheel plus spacers. Spacers are used, but they are correcting a deliberately deep factory position, not creating stance.
- Bolt length is critical. Porsche uses bolts, not studs. Any change in wheel thickness or spacer requires correctly sized bolts with full thread engagement
- Do not mix RWD and AWD rear wheels even if the bolt pattern and diameter match
- These are general observations, not manufacturer specifications
Instagram Search Keywords
Post counts verified July 2026:
Model Tags:
- #Porsche911 (6.6M) #911Carrera (404K)
- #Porsche991 (400K) #Porsche997 (361K)
Generation Tags:
- #997Carrera (35K) #991Carrera (19K)
Wheel Brand Tags:
- #BBSWheels (1.1M) #RAYSWheels (776K)
Section 3: Real-World Build References
We found comparatively few public 911 builds that name the wheel fitted — the platform tends to run factory or platform-specific wheels rather than the aftermarket brands common on JDM cars. The build below is a verified 997.2 Carrera.
Silver 997.2 on BBS Motorsport forged wheels with Pirelli tyres — via @hiro_3333
Section 4: Selection Tips and Cautions
- Confirm RWD or AWD before buying rear wheels. This is the single most important check on a 911.
- Confirm bolt-on or centre-lock. If your car has a single central nut, nothing in this guide applies.
- Lug bolts, M14 x 1.5. Confirm length and seat type whenever wheel thickness changes.
- Torque varies by model between 130 and 160 Nm — check the figure for your car.
- 71.6 mm hub bore. Generic 5×130 wheels made for VW Touareg or Audi Q7 use different bores and offsets entirely.
Fitment verification checklist:
- ✓ Confirm bolt-on (5×130) versus centre-lock
- ✓ Confirm RWD versus Carrera 4 before sourcing rear wheels
- ✓ Confirm front and rear offsets separately
- ✓ Confirm bolt length and seat type
- ✓ Check the torque figure for your specific model
Conclusion
The 911 rewards precision and punishes assumption. Front offsets sit in a narrow ET50–ET57 band while rears range from ET48 to ET77 depending on drivetrain and generation, so the only safe approach is to identify your exact model and work from its own figures. Check whether your car is bolt-on or centre-lock before anything else, and never assume a rear wheel from a Carrera fits a Carrera 4.
Looking for genuine 5×130 wheels from Japan? Submit a Request and we will search our networks in Japan for the sizes and offsets you need.
Related Fitment Guides
- Porsche Cayman / Boxster — same pattern, opposite stagger direction
- Mercedes-AMG — the other rear-in German chassis
- BMW M3 F80 — rear wider, rear tucked
- BMW M5 — how a heavy German saloon sets its track
Every guide in this series is built the same way: verified factory specifications, an offset diagram, and an honest account of what fits and what does not.