For full performance upgrades, see our Mustang Performance Guide.
The 2019 Ford Mustang uses a 5x114.3mm bolt pattern and 70.5mm hub bore on the S550 platform with independent rear suspension. This page covers 20x10.5 / 20x12 wheels with 295/35R20 / 335/30R20 tires and an offset window of +25 to +35mm. The 2019 base Mustang is S550 platform with the updated front end from the 2018 refresh. Independent rear suspension is standard — confirmed by the rear strut tower brace provisions in the trunk area. Hub bore 70.5mm, bolt pattern 5x114.3mm. The 2019 EcoBoost base Mustang with the available Handling Package runs Pirelli P Zero tires on 19-inch wheels at factory, providing the closest reference point to the 295/35R20 / 335/30R20 fitment on this page. Owners stepping to 20-inch wheels from the factory 19-inch Handling Package configuration should verify that the taller sidewall height of the 19-inch tire is compensated by adjusting tire section width to maintain similar overall diameter. For the 295/35R20 / 335/30R20 tire on a 20x10.5 / 20x12 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 S550 Mustang 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.
AFFILIATE DISCLOSURE
FTC RequiredFat Tire Garage participates in affiliate advertising programs. Some links on this page may be affiliate links — if you click a link and make a purchase, we may earn a small commission at no extra cost to you. We only recommend products we've researched and believe are genuinely useful for your build. Affiliate relationships never influence our fitment data, specifications, or editorial opinions.
Show off your wide tire passion with Fat Tire Garage apparel, stickers, and garage decor.
Shop MerchNot sure which tire size fits best? Read our Performance Tire Selection Guide before ordering.
Compare 2019 wide tire fitment across related Ford models
More Ford fitment options for your build
2018 Ford Mustang
275/40R19 / 305/35R19
2011 Ford Mustang
275/40R19 / 305/35R19
2010 Ford Mustang
285/35R20 / 315/35R20
More Ford performance guides from Fat Tire Garage
Whipple, Roush, Paxton — the definitive forced induction comparison for the 5.0 Coyote V8.
Long-tube header options, fitment notes, and power gains for S550 Mustang GT owners.
Step-by-step stage build paths for the S550 Mustang GT — from bolt-ons to full forced induction.