285/40R20 front · 295/35R21 rear

✓ Good pairing

Front diameter28.98″

Rear diameter29.13″

Difference+0.53%

Speedo at a true 7069.6 mph

Diameters are within 1%: speedometer, ABS, and stability control stay honest. This stagger is mechanically sound — now it is a wheel-width question. Rim widths and load index still decide the install — confirm both against the tire maker’s data sheet and your door-jamb placard.

Run your own numbers →
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Factory fitments by vehicle →