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 718 Boxster / Cayman Base wheel specs and setup guide
Porsche 718 Boxster / Cayman Base Fitment Guide
Use this Porsche 718 Boxster / Cayman Base fitment guide to compare documented wheel and tire setups with verified chassis metadata and hardware notes.
718 Boxster / Cayman Base fitment718 Boxster / Cayman Base fitment guidePorsche 718 Boxster / Cayman Base wheel fitment718 Boxster / Cayman Base wheel specs
Quick answer
What is the best 718 Boxster / Cayman Base fitment?
A documented 718 Boxster / Cayman Base setup is 18x9 ET46 front with 265/35-18 tires and 18x10.5 ET44 rear with 295/35-18 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
718 Boxster / Cayman Base Wheel Specs
Start with the factory specs before comparing aftermarket 718 Boxster / Cayman Base wheel fitment.
Years2017-2025
Bolt Pattern5x130
Center Bore71.6mm
HardwareM14x1.5
Chassis context
718 Boxster / Cayman Base Wheel Fitment Notes
This Porsche 718 Boxster / Cayman Base 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
Best 718 Boxster / Cayman Base Wheel Fitment Setups
These 718 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 718 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
718 Boxster / Cayman Base Fitment Range
Common widths9-11 inches across documented setups
Offset rangeET36-ET50 across documented 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 718 Boxster / Cayman Base Wheels
Compare the Full Setup
The 718 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
718 Boxster / Cayman Base OEM Wheel Sizes
SizeOffsetNotes
8Jx18 front / 9.5Jx18 rearET57 front / ET49 rear718 Boxster/Cayman base; 235/45ZR18 front, 265/45ZR18 rear.
8Jx20 front / 10Jx20 rearET57 front / ET45 rearCommon optional 20-inch package; 235/35ZR20 front, 265/35ZR20 rear.
Buyer notes
718 Boxster / Cayman Base Fitment Tips
- Start with the 718 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
718 Boxster / Cayman Base Fitment Guide Questions
What is the best 718 Boxster / Cayman Base fitment?
A documented 718 Boxster / Cayman Base setup is 18x9 ET46 front with 265/35-18 tires and 18x10.5 ET44 rear with 295/35-18 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 718 Boxster / Cayman Base?
The Porsche 718 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 718 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 718 Boxster / Cayman Base
Browse the marketplace or compare your current setup against a new 718 Boxster / Cayman Base fitment.