2015 Ford Mustang fitment guide

For full performance upgrades, see our Mustang Performance Guide.

The 2015 Ford Mustang uses a 5x114.3mm bolt pattern and 70.5mm hub bore — the standard Ford performance specification shared across most Mustang production years. This page covers 19x9.5 / 19x10.5 wheels with 275/40R19 / 305/35R19 tires and an offset window of +35 to +45mm. The 2015 Mustang is the first year of the S550 platform and represents the most significant fitment change in Mustang history since the solid rear axle was replaced with independent rear suspension. The S550's IRS eliminates the live-axle rear width limitation and allows true staggered fitment without the lateral pinion angle compromise. For the 2015 Mustang base, the IRS rear now behaves more like a European sports car suspension — wider rear tires are fully compatible at appropriate offsets without the same hard limits that constrained S197 builds. Hub bore remains 70.5mm, bolt pattern 5x114.3mm unchanged. For the 275/40R19 / 305/35R19 tire on a 19x9.5 / 19x10.5 wheel, the aspect ratio affects overall ride height slightly — a change in sidewall height will alter actual ground clearance and effective final drive ratio. The base Mustang's strut front suspension is straightforward for aftermarket wheel fitment: the primary constraints are offset relative to the strut body on the inboard side and fender liner clearance on the outboard side under compression.

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Available Tire Fitments

275/40R19 / 305/35R19

Wheel: 19x9.5 / 19x10.5
Offset: +35 to +45
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285/35R20 / 315/35R20

Wheel: 20x10 / 20x11
Offset: +30 to +40
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295/35R20 / 335/30R20

Wheel: 20x10.5 / 20x12
Offset: +25 to +35
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305/35R20 / 345/30R20

Wheel: 20x11 / 20x13
Offset: +20 to +30
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Not sure which tire size fits best? Read our Performance Tire Selection Guide before ordering.

Explore Other Wide Tire Fitment Guides

More Ford fitment options for your build

2019 Ford Mustang

2019 Ford Mustang

295/35R20 / 335/30R20

20x10.5 / 20x12+25 to +35View Guide
2018 Ford Mustang

2018 Ford Mustang

275/40R19 / 305/35R19

19x9.5 / 19x10.5+35 to +45View Guide
2011 Ford Mustang

2011 Ford Mustang

275/40R19 / 305/35R19

19x9.5 / 19x10.5+35 to +45View Guide
2010 Ford Mustang

2010 Ford Mustang

285/35R20 / 315/35R20

20x10 / 20x11+30 to +40View Guide