2008 Porsche Cayman Wheel Offset

ET55 · ET57 · ET50

Quick specs

OEM offset
ET55 · ET57 · ET50
Wheel size
6.5x17 · 8x18 · 8x19 · 8.5x19 · 8.5x20
Bolt pattern
5×130
Center bore
71.5 mm, 71.6 mm
Tire size
205/55R17 · 235/40R18 · 235/35R19 · 235/30R20

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
2.7 · 2.7L, M 97/20, F6, Petrol6.5x176.5x17ET555.42 in205/55R175x13071.6 mmM14 x 1.5
2.7 · 2.7L, M 97/20, F6, Petrol8x186.5x17ET57 / ET556.24 in235/40R18 / 205/55R175x13071.6 mmM14 x 1.5
2.7 · 2.7L, M 97/20, F6, Petrol8x196.5x17ET57 / ET556.24 in235/35R19 / 205/55R175x13071.6 mmM14 x 1.5
3.4 S · 3.4L, M 97/21, F6, Petrol8x188x18ET576.24 in235/40R185x13071.6 mmM14 x 1.5
3.4 S · 3.4L, M 97/21, F6, Petrol8x198x18ET576.24 in235/35R19 / 235/40R185x13071.6 mmM14 x 1.5
3.4 S · 3.4L, M 97/21, F6, Petrol8.5x198x18ET55 / ET576.42 in235/35R19 / 235/40R185x13071.6 mmM14 x 1.5
3.4 S Sport · M 97/21, F6, Petrol8x188x18ET576.24 in235/40R185x13071.6 mmM14 x 1.5
3.4 S Sport · M 97/21, F6, Petrol8x198x18ET576.24 in235/35R19 / 235/40R185x13071.6 mmM14 x 1.5
3.4 S Sport · M 97/21, F6, Petrol8.5x198x18ET55 / ET576.42 in235/35R19 / 235/40R185x13071.6 mmM14 x 1.5
3.4 S Sport · M 97/21, F6, Petrol8.5x208x18ET50 / ET576.22 in235/30R20 / 235/40R185x13071.6 mmM14 x 1.5

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

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Wheels and hardware for this vehicle

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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 Cayman 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:

  • 20-inch — 2 documented builds

2 documented builds.

2008 Porsche Cayman custom wheel setup

Staggered · 20×? / Rear unknown

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

Wheel: Vossen VVS-094

Front
20×?
Rear
2008 Porsche Cayman custom wheel setup

Staggered · 20×? / Rear unknown

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

Wheel: Vossen VVS-094

Front
20×?
Rear

More specs for the 2008 Porsche Cayman

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.