2015 Porsche Boxster Wheel Offset

Quick specs

Wheel size
Multiple — see configurations
Offset
ET57 · ET50
Backspacing
6.24 in · 6.49 in · 6.22 in · 6.47 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

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
2.7 · 2.7L, MA 122, F6, Petrol8x188x18ET576.24 in235/45R185x13071.6 mmM14 x 1.5
2.7 · 2.7L, MA 122, F6, Petrol8x198x18ET576.24 in235/40R19 / 235/45R185x13071.6 mmM14 x 1.5
2.7 · 2.7L, MA 122, F6, Petrol8x208x18ET576.24 in235/35R20 / 235/45R185x13071.6 mmM14 x 1.5
3.4 GTS · 3.4L, MA 123C, F6, Petrol8x198x19ET576.24 in235/40R195x13071.6 mmM14 x 1.5
3.4 GTS · 3.4L, MA 123C, F6, Petrol8x208x19ET576.24 in235/35R20 / 235/40R195x13071.6 mmM14 x 1.5
3.4 GTS · 3.4L, MA 123C, F6, Petrol8.5x208x19ET576.49 in235/35R20 / 235/40R195x13071.6 mmM14 x 1.5
3.4 GTS · 3.4L, MA 123C, F6, Petrol8.5x208x19ET50 / ET576.22 in235/35R20 / 235/40R195x13071.6 mmM14 x 1.5
3.4 S · 3.4L, MA 123, F6, Petrol8x188x18ET576.24 in235/45R185x13071.6 mmM14 x 1.5
3.4 S · 3.4L, MA 123, F6, Petrol8x198x18ET576.24 in235/40R19 / 235/45R185x13071.6 mmM14 x 1.5
3.4 S · 3.4L, MA 123, F6, Petrol8x208x18ET576.24 in235/35R20 / 235/45R185x13071.6 mmM14 x 1.5
3.4 S · 3.4L, MA 123, F6, Petrol8.5x208x18ET576.49 in235/35R20 / 235/45R185x13071.6 mmM14 x 1.5
3.8 Spyder · MDB XA, F6, Petrol8.5x208.5x20ET576.49 in235/35R205x13071.6 mmM14 x 1.5
3.8 Spyder · MDB XA, F6, Petrol9x208.5x20ET50 / ET576.47 in235/35R205x13071.6 mmM14 x 1.5

Wheels and hardware

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Lug hardware

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  • 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

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Real-World 2015 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:

  • 21-inch — 3 documented builds
  • 20-inch — 2 documented builds
  • 22-inch — 1 documented build

6 documented builds.

2015 Porsche Boxster custom wheel setup

Staggered · 20×8.5 / 20×10

Documented on a 2015 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: HRE FF01

Front
20×8.5
Rear
20×10
2015 Porsche Boxster custom wheel setup

Staggered · 22×? / Rear unknown

Documented on a 2015 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: ADV.1

Front
22×?
Rear
2015 Porsche Boxster custom wheel setup

Staggered · 21×? / Rear unknown

Documented on a 2015 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen VFS1

Front
21×?
Rear
2015 Porsche Boxster custom wheel setup

Staggered · 21×? / Rear unknown

Documented on a 2015 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: HRE

Front
21×?
Rear
2015 Porsche Boxster custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2015 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen CV7

Front
20×?
Rear
2015 Porsche Boxster custom wheel setup

Staggered · 21×? / Rear unknown

Documented on a 2015 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: Avant Garde

Front
21×?
Rear

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

Open full fitment calculator

More specs for the 2015 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.