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OE fitment record · Ford
2015–2017 Ford Mustang tire sizes
Every factory tire size the 2015–2017 Ford Mustang shipped with, by trim: front and rear sizes, factory wheel specs, and the stagger math where it applies.
At a glance
- Model years covered: 2015, 2016, 2017 (identical factory fitments)
- Factory setup: square on every trim
- OE sizes: 235/55R17 · 235/50R18 · 255/40R19
- Generation: VI (S550)
- Factory power range: 300–435 hp
Shop the widest OE size (255/40R19): Tire Rack → · SimpleTire → · local install partners on the buy page.
Factory fitments by trim
| Trim | Front | Rear | Setup |
|---|---|---|---|
| 3.7 Ti-VCT 300 hp | 235/55R17 7.5Jx17 ET37.5 | 235/55R17 7.5Jx17 ET37.5 | Square |
| 3.7 Ti-VCT 300 hp | 235/50R18 8Jx18 ET40 | 235/50R18 8Jx18 ET40 | Square |
| 5.0 Ti-VCT 435 hp | 255/40R19 8.5Jx19 ET42.5 | 255/40R19 8.5Jx19 ET42.5 | Square |
| 5.0 Ti-VCT 435 hp | 235/50R18 8Jx18 ET40 | 235/50R18 8Jx18 ET40 | Square |
| 2.3 EcoBoost 310 hp | 235/55R17 7.5Jx17 ET37.5 | 235/55R17 7.5Jx17 ET37.5 | Square |
| 2.3 EcoBoost 310 hp | 235/50R18 8Jx18 ET40 | 235/50R18 8Jx18 ET40 | Square |
255 = tread width in millimetres · 40 = sidewall height as a percentage of that width · R19 = radial construction on a 19-inch wheel. Two sizes with the same overall diameter are speedometer-compatible, that is the whole game in staggering.
Run these sizes in the calculator: this era ships square, so start from 255/40R19 and test any wider-rear pairing in the stagger calculator, keeping the diameters within 1%.
Fitment hardware
Dialing in how a setup sits on this platform? Hub-centric wheel spacers fine-tune effective offset and caliper clearance one axle at a time, aftermarket wheels usually need lug nuts in the matching seat and thread, and aggressive fitments bring adjustable control arms into play for camber. Code KSPAF takes 5% off at KSP Performance. Start with the measurement math in the wheel spacer sizing guide.
Checking an aftermarket stagger for this car? Run the pairing through the stagger calculator. OE fitment data from Wheel-Size.com; years and packages vary by market.
Always confirm against the tire placard on your driver-side door jamb and your actual wheel widths before ordering. Fitments here cover common factory and community setups. Years and packages vary.
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Ford Mustang by era
All Ford Mustang years → · 2018–2019 →
Size deep-dives for every OE size above are linked in the tables; the full directory lives at /tire-sizes/ and /vehicles/.
// Sources & further reading
- Your vehicle’s tire placard (driver-side door jamb) & owner’s manual · The legally required OEM fitment record on every car, always the first authority.
- Tire and Rim Association (T&RA) standards · The US standards body whose yearbook defines size/rim pairing norms.
How we compile and verify fitment data: our methodology. Spot an error? fitment@staggeredsetup.com. Corrections ship fast.