Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-15 | 31/10-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.47 (748.5) | 31 (787.4) | 1.53 (38.9) 5.2% |
| Width inches (mm) | 9.65 (245) | 10 (254) | 0.35 (9) 3.7% |
| Circum. inches (mm) | 92.58 (2351.48) | 97.39 (2473.69) | 4.81 (122.21) 5.2% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 8 (203.2) | 0.77 (19.45) 10.6% |
| Revolutions per mile (km) | 684.4 (425.26) | 650.58 (404.25) | -33.81 (-21.01) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.04 mph (33.86 km/h) |
| 25 mph (40.23 km/h) | 26.3 mph (42.32 km/h) |
| 30 mph (48.28 km/h) | 31.56 mph (50.79 km/h) |
| 35 mph (56.33 km/h) | 36.82 mph (59.25 km/h) |
| 40 mph (64.37 km/h) | 42.08 mph (67.72 km/h) |
| 45 mph (72.42 km/h) | 47.34 mph (76.18 km/h) |
| 50 mph (80.47 km/h) | 52.6 mph (84.65 km/h) |
| 55 mph (88.51 km/h) | 57.86 mph (93.11 km/h) |
| 60 mph (96.56 km/h) | 63.12 mph (101.58 km/h) |
| 65 mph (104.61 km/h) | 68.38 mph (110.04 km/h) |
| 70 mph (112.65 km/h) | 73.64 mph (118.51 km/h) |
| 75 mph (120.7 km/h) | 78.9 mph (126.97 km/h) |
| 80 mph (128.75 km/h) | 84.16 mph (135.44 km/h) |
| 85 mph (136.79 km/h) | 89.42 mph (143.9 km/h) |
| 90 mph (144.84 km/h) | 94.68 mph (152.37 km/h) |
| 95 mph (152.89 km/h) | 99.94 mph (160.83 km/h) |
| 100 mph (160.93 km/h) | 105.2 mph (169.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1656 | 1923 | 2071 | 2163 | 2261 | 2332 | 2409 | 2501 | 2628 | 2755 | 2896 | 3008 | 3213 | 3438 | 3614 | 3727 | 3790 | 4023 | 4347 | 5051 |
Better Fuel Economy Factory Ratios Increased Power
