Staggered · 18×8.5 ET52 / 18×10 ET54
Documented on a 2013 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.
Wheel: Dynamics GT3
- Front
- 18×8.5 ET52 · 255/35R18
- Rear
- 18×10 ET54 · 285/30R18
2013 Porsche Boxster Wheel Offset
Quick specs
- Wheel size
- 8x18 · 8x19 · 8x20 · 8.5x20
- Offset
- ET57
- Backspacing
- 6.24 in · 6.49 in
- Bolt pattern
- 5×130
- Center bore
- 71.5 mm, 71.6 mm
- Thread
- M14×1.5
- Tire size
- 235/45R18 · 235/40R19 · 235/35R20
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 2.7 · 2.7L, MA 122, F6, Petrol | 8x18 | 8x18 | ET57 | 6.24 in | 235/45R18 | 5x130 | 71.6 mm | M14 x 1.5 |
| 2.7 · 2.7L, MA 122, F6, Petrol | 8x19 | 8x18 | ET57 | 6.24 in | 235/40R19 / 235/45R18 | 5x130 | 71.6 mm | M14 x 1.5 |
| 2.7 · 2.7L, MA 122, F6, Petrol | 8x20 | 8x18 | ET57 | 6.24 in | 235/35R20 / 235/45R18 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 S · 3.4L, MA 123, F6, Petrol | 8x18 | 8x18 | ET57 | 6.24 in | 235/45R18 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 S · 3.4L, MA 123, F6, Petrol | 8x19 | 8x18 | ET57 | 6.24 in | 235/40R19 / 235/45R18 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 S · 3.4L, MA 123, F6, Petrol | 8x20 | 8x18 | ET57 | 6.24 in | 235/35R20 / 235/45R18 | 5x130 | 71.6 mm | M14 x 1.5 |
| 3.4 S · 3.4L, MA 123, F6, Petrol | 8.5x20 | 8x18 | ET57 | 6.49 in | 235/35R20 / 235/45R18 | 5x130 | 71.6 mm | M14 x 1.5 |
Wheels and hardware
More on AmazonLug hardware
More on Amazon
Dorman 611-236 Wheel Lug Nut M14-1.50
M14 x 1.5
Matches M14 x 1.5 thread — confirm wheel seat style
Check price on Amazon
White Knight M14 x 1.50 Lug Nuts
M14 x 1.5
Matches M14 x 1.5 thread — confirm wheel seat style
Check price on Amazon
White Knight 3809XLBK-33AM Black M14x1.50 Lug Nuts
M14 x 1.5
Matches M14 x 1.5 thread — confirm wheel seat style
Check price on Amazon
Wheel locks
More on AmazonReal-World 2013 Porsche Boxster 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:
- 19-inch — 2 documented builds
- 18-inch — 1 documented build
3 documented builds.
Staggered · 19×8.5 / 19×10
Documented on a 2013 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.
Wheel: Niche Targa-Series 19
- Front
- 19×8.5
- Rear
- 19×10
Staggered · 19×8.5 / 19×10.5
Documented on a 2013 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.
Wheel: Dynamics
- Front
- 19×8.5
- Rear
- 19×10.5
Compare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
More specs for the 2013 Porsche Boxster
Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.