2008 Porsche Boxster Wheel Offset

Quick specs

Wheel size
6.5x17 · 8x18 · 8x19 · 8.5x19
Offset
ET55 · ET57
Backspacing
5.42 in · 6.24 in · 6.42 in
Bolt pattern
5×130
Center bore
71.5 mm, 71.6 mm
Thread
M14×1.5
Tire size
205/55R17 · 235/40R18 · 235/35R19 · 235/35R18

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
2.7 · 2.7L, M 96/25, F6, Petrol6.5x176.5x17ET555.42 in205/55R175x13071.6 mmM14 x 1.5
2.7 · 2.7L, M 96/25, F6, Petrol8x186.5x17ET57 / ET556.24 in235/40R18 / 205/55R175x13071.6 mmM14 x 1.5
2.7 · 2.7L, M 96/25, F6, Petrol8x196.5x17ET57 / ET556.24 in235/35R19 / 205/55R175x13071.6 mmM14 x 1.5
3.4 S · 3.4L, MA 121, F6, Petrol8x188x18ET576.24 in235/35R185x13071.6 mmM14 x 1.5
3.4 S · 3.4L, MA 121, F6, Petrol8x188x18ET576.24 in235/40R18 / 235/35R185x13071.6 mmM14 x 1.5
3.4 S · 3.4L, MA 121, F6, Petrol8x198x18ET576.24 in235/35R19 / 235/35R185x13071.6 mmM14 x 1.5
3.4 S · 3.4L, MA 121, F6, Petrol8.5x198x18ET55 / ET576.42 in235/35R19 / 235/35R185x13071.6 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 2008 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 — 1 documented build

1 documented build.

2008 Porsche Boxster custom wheel setup

Staggered · 19×? / Rear unknown

Documented on a 2008 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: Victor Innsbruck

Front
19×?
Rear

Compare your own setup

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

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More specs for the 2008 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.