Comparison of tire sizes 235/50 R18 and 245/45 R18
235/50R18
235
Tire width 
50
Profile height 
R18
Tire diameter 
460
RPM per km 235mm118mm692mm2175mm
235
50
18
245
45
18
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 692 | 678 | -14 (-2%) | ||
| Width, mm | 235 | 245 | +10 (+4.3%) | ||
| Circumference, mm | 2175 | 2129 | -46 (-2.1%) | ||
| Profile height, mm | 118 | 110 | -8 (-6.8%) | ||
| RPM per km | 460 | 470 | +10 (+2.2%) | ||
| Clearance change, mm | -7 | ||||
| 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 235/50 R18
R18
R17 -1
R19 +1
R16 -2
R20 +2
Sizes for comparison of tires 245/45 R18
R18
R17 -1
R19 +1
R16 -2
R20 +2
Ads by size 245/45 R18
-
4Tires Sailfish Sailfish, 245/45/R18, Used.For sale Summer tires Sailfish Sailfish, 245/45/R18, In stock: 4 pc., Condition: Used.
R1890 €/set12/07/2025Riga -
3Tires nexen Radial, 245/45/R18, Used.For sale Summer tires NEXEN Radial, 245/45/R18, In stock: 4 pc., Tread depth: 4 mm., Condition: Used.
R1840.00 €/set31/05/2023
