Comparison of tire sizes 235/50 R19 and 255/40 R19
235/50R19
235
Tire width 
50
Profile height 
R19
Tire diameter 
444
RPM per km 235mm118mm718mm2254mm
235
50
19
255
40
19
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 718 | 687 | -31 (-4.3%) | ||
| Width, mm | 235 | 255 | +20 (+8.5%) | ||
| Circumference, mm | 2254 | 2157 | -97 (-4.3%) | ||
| Profile height, mm | 118 | 102 | -16 (-13.6%) | ||
| RPM per km | 444 | 464 | +20 (+4.5%) | ||
| Clearance change, mm | -16 | ||||
| Result: | The diameter differs by -4.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 95.7 |
| Difference (km/h) | -4.3 |
Sizes for comparison of tires 235/50 R19
R19
R18 -1
R20 +1
R17 -2
R21 +2
Sizes for comparison of tires 255/40 R19
R19
R18 -1
R20 +1
R17 -2
R21 +2
Ads by size 255/40 R19
-
4Tires Dunlop Sport, 255/40/R19, Used.For sale Summer tires Dunlop Sport, 255/40/R19, In stock: 4 pc., Condition: Used.
R19120 €/set26/08/2026Riga -
4Tires Dunlop Dunlop Sport GT, 255/40/R19, Used.For sale Summer tires Dunlop Dunlop Sport GT, 255/40/R19, In stock: 4 pc., Condition: Used.
R19140 €/set18/08/2026Riga -
3Tires GoodYear Eagle F1 Assymetric 5, 255/40/R19, Used.For sale Summer tires GoodYear Eagle F1 Assymetric 5, 255/40/R19, In stock: 4 pc., Tread depth: 5 mm., Condition: Used.
R19120 €/set09/09/2025Riga, Imanta
