Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-19 | 255/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.92 (734.6) | 29.04 (737.6) | 0.12 (3) 0.4% |
| Width inches (mm) | 12.4 (315) | 10.04 (255) | -2.36 (-60) -19% |
| Circum. inches (mm) | 90.86 (2307.81) | 91.23 (2317.24) | 0.37 (9.42) 0.4% |
| Sidewall Height inches (mm) | 4.96 (126) | 5.02 (127.5) | 0.06 (1.5) 1.2% |
| Revolutions per mile (km) | 697.35 (433.31) | 694.51 (431.55) | -2.84 (-1.76) -0.4% |
255/50-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.08 mph (32.32 km/h) |
| 25 mph (40.23 km/h) | 25.1 mph (40.4 km/h) |
| 30 mph (48.28 km/h) | 30.12 mph (48.48 km/h) |
| 35 mph (56.33 km/h) | 35.14 mph (56.56 km/h) |
| 40 mph (64.37 km/h) | 40.16 mph (64.64 km/h) |
| 45 mph (72.42 km/h) | 45.18 mph (72.72 km/h) |
| 50 mph (80.47 km/h) | 50.2 mph (80.8 km/h) |
| 55 mph (88.51 km/h) | 55.22 mph (88.88 km/h) |
| 60 mph (96.56 km/h) | 60.25 mph (96.96 km/h) |
| 65 mph (104.61 km/h) | 65.27 mph (105.03 km/h) |
| 70 mph (112.65 km/h) | 70.29 mph (113.11 km/h) |
| 75 mph (120.7 km/h) | 75.31 mph (121.19 km/h) |
| 80 mph (128.75 km/h) | 80.33 mph (129.27 km/h) |
| 85 mph (136.79 km/h) | 85.35 mph (137.35 km/h) |
| 90 mph (144.84 km/h) | 90.37 mph (145.43 km/h) |
| 95 mph (152.89 km/h) | 95.39 mph (153.51 km/h) |
| 100 mph (160.93 km/h) | 100.41 mph (161.59 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1767 | 2053 | 2211 | 2309 | 2414 | 2489 | 2572 | 2670 | 2805 | 2941 | 3091 | 3211 | 3429 | 3670 | 3858 | 3979 | 4046 | 4294 | 4640 | 5392 |
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