Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 31/10-15 | 255/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31 (787.4) | 30.06 (763.5) | -0.94 (-23.9) -3% |
| Width inches (mm) | 10 (254) | 10.04 (255) | 0.04 (1) 0.4% |
| Circum. inches (mm) | 97.39 (2473.69) | 94.43 (2398.61) | -2.96 (-75.08) -3% |
| Sidewall Height inches (mm) | 8 (203.2) | 7.53 (191.25) | -0.47 (-11.95) -5.9% |
| Revolutions per mile (km) | 650.58 (404.25) | 670.95 (416.91) | 20.37 (12.65) 3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.21 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39.01 km/h) |
| 30 mph (48.28 km/h) | 29.09 mph (46.81 km/h) |
| 35 mph (56.33 km/h) | 33.94 mph (54.62 km/h) |
| 40 mph (64.37 km/h) | 38.79 mph (62.42 km/h) |
| 45 mph (72.42 km/h) | 43.63 mph (70.22 km/h) |
| 50 mph (80.47 km/h) | 48.48 mph (78.02 km/h) |
| 55 mph (88.51 km/h) | 53.33 mph (85.83 km/h) |
| 60 mph (96.56 km/h) | 58.18 mph (93.63 km/h) |
| 65 mph (104.61 km/h) | 63.03 mph (101.43 km/h) |
| 70 mph (112.65 km/h) | 67.88 mph (109.23 km/h) |
| 75 mph (120.7 km/h) | 72.72 mph (117.04 km/h) |
| 80 mph (128.75 km/h) | 77.57 mph (124.84 km/h) |
| 85 mph (136.79 km/h) | 82.42 mph (132.64 km/h) |
| 90 mph (144.84 km/h) | 87.27 mph (140.44 km/h) |
| 95 mph (152.89 km/h) | 92.12 mph (148.25 km/h) |
| 100 mph (160.93 km/h) | 96.96 mph (156.05 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
