Staggered · 18×10.5 / 18×13
Documented on a 1999 Porsche 911 build — observed custom fitment, not a universal fit guarantee.
Wheel: Brixton Classic VL20
- Front
- 18×10.5 · 225/40R18
- Rear
- 18×13 · 265/35R18
1999 Porsche 911 Wheel Offset
ET55 · ET50 · ET40 · ET52
Quick specs
- OEM offset
- ET55 · ET50 · ET40 · ET52
- Wheel size
- 7x17 · 7.5x18 · 8.5x18 · 8x18
- Backspacing
- 5.67 in · 5.72 in · 5.82 in · 6.05 in
- Bolt pattern
- 5×130
- Tire size
- 205/50R17 · 225/40R18 · 235/40R18
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 3.4 Carrera 2 · M 96/01, F6, Petrol | 7x17 | 7x17 | ET55 | 5.67 in | 205/50R17 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 Carrera 2 · M 96/01, F6, Petrol | 7.5x18 | 7x17 | ET50 / ET55 | 5.72 in | 225/40R18 / 205/50R17 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 Carrera 2 WLS · M 96/01S, F6, Petrol | 7x17 | 7x17 | ET55 | 5.67 in | 205/50R17 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 Carrera 2 WLS · M 96/01S, F6, Petrol | 7.5x18 | 7x17 | ET50 / ET55 | 5.72 in | 225/40R18 / 205/50R17 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 Carrera 4 · M 96/01, F6, Petrol | 7x17 | 7x17 | ET55 | 5.67 in | 205/50R17 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 Carrera 4 · M 96/01, F6, Petrol | 7.5x18 | 7x17 | ET50 / ET55 | 5.72 in | 225/40R18 / 205/50R17 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 Carrera 4 WLS · M 96/01S, F6, Petrol | 7x17 | 7x17 | ET55 | 5.67 in | 205/50R17 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 Carrera 4 WLS · M 96/01S, F6, Petrol | 7.5x18 | 7x17 | ET50 / ET55 | 5.72 in | 225/40R18 / 205/50R17 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.6 GT2 · M 96/70, F6, Petrol | 8.5x18 | 8.5x18 | ET40 | 5.82 in | 235/40R18 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.6 GT3 · M 96/76, F6, Petrol | 8x18 | 8x18 | ET52 | 6.05 in | 225/40R18 | 5x130 | 71.6 mm | M14 x 1.5 |
See how a different wheel would sit See wheel backspacing
What happens if you change the offset?
Compare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
Wheels and hardware for this vehicle
More on AmazonLug hardware
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Wheel Accessories Parts Set of 20 Chrome 9/16 Spline Lug Nuts Open End Cone Seat Bulge Acorn Small Diameter Locking Lugs 9/16"-18 Thread, 1" Length Wheel Lug Nuts with Key (20, Chrome)
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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DPAccessories BS27K5HE-BK04020 20 Black 14x1.5B Spline Tuner Lug Bolts for Aftermarket Wheels - 27mm Shank
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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MIKKUPPA 24pcs M14x1.5 One-Piece Chrome OEM Factory Style Large Acorn Seat Lug Nuts Replacement for 2005-2019 Chrysler 300, 2011-2017 Dodge Durango, 2010-2017 Chevy Camaro Factory Wheels
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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Wheel locks
More on AmazonReal-World 1999 Porsche 911 Wheel Setups
Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.
Common custom wheel sizes
Among builds in our database for this model year:
- 18-inch — 1 documented build
1 documented build.
More specs for the 1999 Porsche 911
OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.