Porsche 987 Boxster wheel specs and setup guide

Porsche 987 Boxster Fitment Guide

Use this Porsche 987 Boxster fitment guide to compare documented wheel and tire setups with verified chassis metadata and hardware notes.

2005-2012 | 5x130 | 71.6mm

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Quick answer

What is the best 987 Boxster fitment?

A documented 987 Boxster setup is 18x9 ET46 front with 245/35-18 tires and 18x10 ET36 rear with 275/35-18 tires. Use the full table to compare other documented setups and verify body width, brake clearance, ride height, and hub hardware before ordering.

Wheel specs

987 Boxster Wheel Specs

Start with the factory specs before comparing aftermarket 987 Boxster wheel fitment.

Years2005-2012
Bolt Pattern5x130
Center Bore71.6mm
HardwareM14x1.5

Chassis context

987 Boxster Wheel Fitment Notes

This Porsche 987 Boxster guide compares documented wheel and tire setups with the factory hub specs that matter when shopping for wheels.

Use the setup table as a starting point, then confirm tire model, suspension height, alignment, brake package, and body clearance on the specific car before ordering.

Popular setups

These 987 Boxster fitment setups combine the vehicle-specific fitment data with the proven fitment recommendations.

Track Fitment

Track Fitment

Front Setup18x9 ET46245/35-18
Rear Setup18x10 ET36275/35-18

Track Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.

OEM+ Fitment

OEM+ Fitment

Front Setup18x8.5 ET45235/40-18
Rear Setup18x10 ET36265/40-18

OEM+ Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.

Performance/Street Fitment

Performance/Street Fitment

Front Setup18x9 ET46255/35-18
Rear Setup18x10 ET36275/35-18

Performance/Street Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.

Fitment type options

Popular 987 Boxster Fitments People Have Run

These setups are organized by fitment type. Front and rear specs are shown together because the setup works as a full pair, even when the fitment is square.

Fitment TypeFrontRear
Track Fitment18x9 ET46245/35-1818x10 ET36275/35-18
OEM+ Fitment18x8.5 ET45235/40-1818x10 ET36265/40-18
Performance/Street Fitment18x9 ET46255/35-1818x10 ET36275/35-18

Aftermarket range

987 Boxster Fitment Range

Common widths8.5-10 inches across documented setups
Offset rangeET36-ET46 across documented setups
Popular tires235/40-18, 245/35-18, 255/35-18, 265/40-18, 275/35-18

Fitment notes

What to Know Before Buying 987 Boxster Wheels

Compare the Full Setup

The 987 Boxster fitment table keeps front and rear specs together so wheel width, offset, and tire size can be reviewed as a complete setup.

Check Clearance Before Ordering

Wheel width, offset, tire model, alignment, brake package, and ride height can all change clearance. Confirm inner suspension clearance, outer fender clearance, hub fit, and brake caliper clearance before ordering.

Factory sizes

987 Boxster OEM Wheel Sizes

SizeOffsetNotes
6.5Jx17 front / 8Jx17 rearET55 front / ET40 rearEarly 987 base, 2005-2008; 205/55ZR17 front, 235/50ZR17 rear.
7Jx17 front / 8.5Jx17 rearET55 front / ET40 rear987.2 base, 2009-2012; 205/55ZR17 front, 235/50ZR17 rear.
8Jx18 front / 9Jx18 rearET57 front / ET43 rearS 18-inch package; 235/40ZR18 front, 265/40ZR18 rear.
8Jx19 front / 9.5Jx19 rearET57 front / ET46 rear987.2 Spyder/19-inch package; 235/35ZR19 front, 265/35ZR19 rear.

Buyer notes

987 Boxster Fitment Tips

  • Start with the 987 Boxster factory hub specs: 5x130 bolt pattern, 71.6mm center bore, and M14x1.5 hardware.
  • Compare front and rear specs together, especially on staggered setups where tire diameter and offset balance matter.
  • Check brake clearance with the exact wheel design, not just diameter and offset.
  • Use the wheel fitment calculator to compare poke, inset, and tire changes against your current setup.

FAQ

987 Boxster Fitment Guide Questions

What is the best 987 Boxster fitment?

A documented 987 Boxster setup is 18x9 ET46 front with 245/35-18 tires and 18x10 ET36 rear with 275/35-18 tires. Use the full table to compare other documented setups and verify body width, brake clearance, ride height, and hub hardware before ordering.

What bolt pattern is a Porsche 987 Boxster?

The Porsche 987 Boxster uses a 5x130 bolt pattern with a 71.6mm center bore and M14x1.5 wheel hardware.

Do I need to verify brake clearance on a 987 Boxster?

Yes. Diameter, width, and offset are not enough by themselves because spoke shape and brake package determine caliper clearance.

Find wheels for your 987 Boxster

Browse the marketplace or compare your current setup against a new 987 Boxster fitment.