Comparison of tire sizes 235/50 R18 and 235/55 R18
235/50R18
235
Tire width 
50
Profile height 
R18
Tire diameter 
460
RPM per km 235mm118mm692mm2175mm
235
50
18
235
55
18
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 692 | 716 | +24 (+3.5%) | ||
| Width, mm | 235 | 235 | 0 (0%) | ||
| Circumference, mm | 2175 | 2248 | +73 (+3.4%) | ||
| Profile height, mm | 118 | 129 | +11 (+9.3%) | ||
| RPM per km | 460 | 445 | -15 (-3.3%) | ||
| Clearance change, mm | +12 | ||||
| Result: | The diameter differs by 3.5%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 103.4 |
| Difference (km/h) | 3.4 |
Sizes for comparison of tires 235/50 R18
R18
R17 -1
R19 +1
R16 -2
R20 +2
Sizes for comparison of tires 235/55 R18
R18
R17 -1
R19 +1
R16 -2
R20 +2
Ads by size 235/55 R18
-
4Tires Firestone Firestone, 235/55/R18, Used.For sale Summer tires Firestone Firestone, 235/55/R18, In stock: 4 pc., Condition: Used.
R18120 €/set12/06/2025Riga -
1Tires Bridgestone Blizzak, 235/55/R18, Used.For sale All season tires Bridgestone Blizzak, 235/55/R18, In stock: 1 pc., Condition: Used.
R1855 €/pc.12/06/2025Riga -
4Tires Bridgestone Bridgetone, 235/55/R18, Used.For sale Summer tires Bridgestone Bridgetone, 235/55/R18, In stock: 4 pc., Condition: Used.
R18120 €/set02/06/2025Riga
