Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 31/10.5-15 | 255/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.98 (786.84) | 30.06 (763.5) | -0.92 (-23.34) -3% |
| Width inches (mm) | 10.51 (267) | 10.04 (255) | -0.47 (-12) -4.5% |
| Circum. inches (mm) | 97.32 (2471.93) | 94.43 (2398.61) | -2.89 (-73.32) -3% |
| Sidewall Height inches (mm) | 7.99 (202.92) | 7.53 (191.25) | -0.46 (-11.67) -5.8% |
| Revolutions per mile (km) | 651.05 (404.54) | 670.95 (416.91) | 19.9 (12.37) 3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.41 mph (31.23 km/h) |
| 25 mph (40.23 km/h) | 24.26 mph (39.04 km/h) |
| 30 mph (48.28 km/h) | 29.11 mph (46.85 km/h) |
| 35 mph (56.33 km/h) | 33.96 mph (54.66 km/h) |
| 40 mph (64.37 km/h) | 38.81 mph (62.46 km/h) |
| 45 mph (72.42 km/h) | 43.67 mph (70.27 km/h) |
| 50 mph (80.47 km/h) | 48.52 mph (78.08 km/h) |
| 55 mph (88.51 km/h) | 53.37 mph (85.89 km/h) |
| 60 mph (96.56 km/h) | 58.22 mph (93.7 km/h) |
| 65 mph (104.61 km/h) | 63.07 mph (101.5 km/h) |
| 70 mph (112.65 km/h) | 67.92 mph (109.31 km/h) |
| 75 mph (120.7 km/h) | 72.78 mph (117.12 km/h) |
| 80 mph (128.75 km/h) | 77.63 mph (124.93 km/h) |
| 85 mph (136.79 km/h) | 82.48 mph (132.74 km/h) |
| 90 mph (144.84 km/h) | 87.33 mph (140.54 km/h) |
| 95 mph (152.89 km/h) | 92.18 mph (148.35 km/h) |
| 100 mph (160.93 km/h) | 97.03 mph (156.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1707 | 1984 | 2136 | 2231 | 2332 | 2405 | 2485 | 2579 | 2710 | 2841 | 2986 | 3102 | 3313 | 3546 | 3727 | 3844 | 3909 | 4149 | 4483 | 5210 |
Better Fuel Economy Factory Ratios Increased Power
