2014 Porsche Boxster Wheel Offset

Quick specs

Wheel size: 8x18 · 8x19 · 8x20 · 8.5x20
Offset: ET57 · ET50
Backspacing: 6.24 in · 6.49 in · 6.22 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

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Configuration

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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 GTS · 3.4L, MA 123C, F6, Petrol	8x19	8x19	ET57	6.24 in	235/40R19	5x130	71.6 mm	M14 x 1.5
3.4 GTS · 3.4L, MA 123C, F6, Petrol	8x20	8x19	ET57	6.24 in	235/35R20 / 235/40R19	5x130	71.6 mm	M14 x 1.5
3.4 GTS · 3.4L, MA 123C, F6, Petrol	8.5x20	8x19	ET57	6.49 in	235/35R20 / 235/40R19	5x130	71.6 mm	M14 x 1.5
3.4 GTS · 3.4L, MA 123C, F6, Petrol	8.5x20	8x19	ET50 / ET57	6.22 in	235/35R20 / 235/40R19	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

Lug hardware

Real-World 2014 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:

20-inch — 3 documented builds
19-inch — 1 documented build

4 documented builds.

Staggered · 20×9 ET55 / 20×11 ET55

Documented on a 2014 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: Kahn

Front: 20×9 ET55 · 245/30R20
Rear: 20×11 ET55 · 305/30R20

View full build on Modified1

Staggered · 19×8.5 ET53 / 19×10 ET40

Documented on a 2014 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: Leggera HLT

Front: 19×8.5 ET53 · 255/35R19
Rear: 19×10 ET40 · 285/35R19

View full build on Modified1

Staggered · 20×8.5 / 20×10

Documented on a 2014 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: Schmidt Revolution Gambit

Front: 20×8.5 · 245/30R20
Rear: 20×10 · 285/30R20

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2014 Porsche Boxster build — observed custom fitment, not a universal fit guarantee.

Wheel: Schmidt Gambit

Front: 20×?
Rear: —

View full build on Modified1

Compare your own setup

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

OEM baseline

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More specs for the 2014 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.