305/30R20 front · 315/30R20 rear

✓ Good pairing

Front diameter27.20″

Rear diameter27.44″

Difference+0.87%

Speedo at a true 7069.4 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 →