Track Fitment
Track Fitment
Front Setup18x9 ET46265/35-18
Rear Setup18x10.5 ET44295/35-18
Track Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.
Porsche 981 Boxster / Cayman Base wheel specs and setup guide
Porsche 981 Boxster / Cayman Base Fitment Guide
Use this Porsche 981 Boxster / Cayman Base fitment guide to compare front and rear wheel specs, tire sizes, hub hardware, and fitment types before choosing a setup.
981 Boxster / Cayman Base fitment981 Boxster / Cayman Base fitment guidePorsche 981 Boxster / Cayman Base wheel fitment981 Boxster / Cayman Base wheel specs
Quick answer
What is the best 981 Boxster / Cayman Base fitment?
A popular 981 Boxster / Cayman Base setup is 18x9 ET46 front with 265/35-18 tires and 18x10.5 ET44 rear with 295/35-18 tires. Review the full table for the rest of the combinations people have run, then double-check body width, brake clearance, ride height, and hub hardware before ordering.
Wheel specs
981 Boxster / Cayman Base Wheel Specs
Start with the factory specs before comparing aftermarket 981 Boxster / Cayman Base wheel fitment.
Years2012-2016
Bolt Pattern5x130
Center Bore71.6mm
HardwareM14x1.5
Chassis context
How to Read This 981 Boxster / Cayman Base Fitment Guide
This guide covers popular fitment setups for the Porsche 981 Boxster / Cayman Base, plus the factory hub specs that matter when shopping for wheels.
Featured setups are shown first, followed by a broader table of combinations people have run. Use those as a starting point, then confirm tire model, suspension height, alignment, brake package, and body clearance on your car before ordering.
Popular setups
Best 981 Boxster / Cayman Base Wheel Fitment Setups
These 981 Boxster / Cayman Base fitment setups combine the vehicle-specific fitment data with the proven fitment recommendations.
OEM+ Fitment
OEM+ Fitment
Front Setup18x9 ET46235/45-18
Rear Setup18x10 ET36265/45-18
OEM+ Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.
Performance/Street Fitment
Performance/Street Fitment
Front Setup18x9 ET46265/35-18
Rear Setup18x10.5 ET44295/35-18
Performance/Street Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.
Fitment type options
Popular 981 Boxster / Cayman Base 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 ET46265/35-1818x10.5 ET44295/35-18
OEM+ Fitment18x9 ET46235/45-1818x10 ET36265/45-18
Performance/Street Fitment18x9 ET46265/35-1818x10.5 ET44295/35-18
Aftermarket range
981 Boxster / Cayman Base Fitment Range
Common widths9-11 inches across popular setups
Offset rangeET36-ET50 across popular setups
Popular tires235/45-18, 245/35-19, 245/35-20, 245/40-19, 265/35-18, 265/35-19, 265/45-18, 275/35-19
Fitment notes
What to Know Before Buying 981 Boxster / Cayman Base Wheels
Compare the Full Setup
The 981 Boxster / Cayman Base 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
981 Boxster / Cayman Base OEM Wheel Sizes
SizeOffsetNotes
8Jx18 front / 9Jx18 rearET57 front / ET47 rear981 Boxster/Cayman base; 235/45ZR18 front, 265/45ZR18 rear.
8Jx20 front / 9.5Jx20 rearET57 front / ET45 rearNotable optional 20-inch package; 235/35ZR20 front, 265/35ZR20 rear.
Buyer notes
981 Boxster / Cayman Base Fitment Tips
- Start with the 981 Boxster / Cayman Base 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
981 Boxster / Cayman Base Fitment Guide Questions
What is the best 981 Boxster / Cayman Base fitment?
A popular 981 Boxster / Cayman Base setup is 18x9 ET46 front with 265/35-18 tires and 18x10.5 ET44 rear with 295/35-18 tires. Review the full table for the rest of the combinations people have run, then double-check body width, brake clearance, ride height, and hub hardware before ordering.
What bolt pattern is a Porsche 981 Boxster / Cayman Base?
The Porsche 981 Boxster / Cayman Base 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 981 Boxster / Cayman Base?
Yes. Diameter, width, and offset are not enough by themselves because spoke shape and brake package determine caliper clearance.
Find wheels for your 981 Boxster / Cayman Base
Browse the marketplace or compare your current setup against a new 981 Boxster / Cayman Base fitment.