Comparison of tire sizes 275/35 R21 and 275/30 R20
275/35R21
275
Tire width 
35
Profile height 
R21
Tire diameter 
439
RPM per km 275mm96mm726mm2280mm
275
35
21
275
30
20
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 726 | 673 | -53 (-7.3%) | ||
| Width, mm | 275 | 275 | 0 (0%) | ||
| Circumference, mm | 2280 | 2114 | -166 (-7.3%) | ||
| Profile height, mm | 96 | 83 | -13 (-13.5%) | ||
| RPM per km | 439 | 473 | +34 (+7.7%) | ||
| Clearance change, mm | -27 | ||||
| Result: | The diameter differs by -7.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 92.7 |
| Difference (km/h) | -7.3 |
Sizes for comparison of tires 275/35 R21
R21
R20 -1
R22 +1
R19 -2
Sizes for comparison of tires 275/30 R20
R20
R19 -1
R21 +1
R18 -2
Ads by size 275/30 R20
-
2Tires Sailun Sailun, 275/30/R20, Used.For sale Summer tires Sailun Sailun, 275/30/R20, In stock: 2 pc., Condition: Used.
R2015.00 €/pc.12/06/2025Riga -
Tires Good Year Eagle F1 Asymmetric, 275/30/R20, Used.For sale Summer tires Good Year Eagle F1 Asymmetric, 275/30/R20, In stock: 4 pc., Tread depth: 5 mm., Condition: Used.
R2050.00 €/set02/11/2021Riga, Centrs
