Comparison of tire sizes 295/40 R20 and 315/35 R20

295/40R20
295 Tire width
40 Profile height
R20 Tire diameter
428 RPM per km
295mm118mm744mm2337mm
295
40
20
315
35
20
Parameters Sizes Old New
Diameter, mm744729-15 (-2%)
Width, mm295315+20 (+6.8%)
Circumference, mm23372289-48 (-2.1%)
Profile height, mm118110-8 (-6.8%)
RPM per km428437+9 (+2.1%)
Clearance change, mm-8
Result:
The diameter differs by -2%.
Speedometer reading (km/h)
Real speed (km/h)97.9
Difference (km/h)-2.1

Sizes for comparison of tires 295/40 R20

R20
R19 -1
R21 +1
R18 -2
R22 +2

Sizes for comparison of tires 315/35 R20

R20
R19 -1
R21 +1
R18 -2
R22 +2

Ads by size 315/35 R20