Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/65-15 | 31/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.1 (764.5) | 30.98 (786.84) | 0.88 (22.34) 2.9% |
| Width inches (mm) | 11.61 (295) | 10.51 (267) | -1.1 (-28) -9.5% |
| Circum. inches (mm) | 94.56 (2401.75) | 97.32 (2471.93) | 2.76 (70.18) 2.9% |
| Sidewall Height inches (mm) | 7.55 (191.75) | 7.99 (202.92) | 0.44 (11.17) 5.8% |
| Revolutions per mile (km) | 670.07 (416.36) | 651.05 (404.54) | -19.02 (-11.82) -2.8% |
31/10.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.58 mph (33.13 km/h) |
| 25 mph (40.23 km/h) | 25.73 mph (41.41 km/h) |
| 30 mph (48.28 km/h) | 30.88 mph (49.69 km/h) |
| 35 mph (56.33 km/h) | 36.02 mph (57.97 km/h) |
| 40 mph (64.37 km/h) | 41.17 mph (66.25 km/h) |
| 45 mph (72.42 km/h) | 46.31 mph (74.54 km/h) |
| 50 mph (80.47 km/h) | 51.46 mph (82.82 km/h) |
| 55 mph (88.51 km/h) | 56.61 mph (91.1 km/h) |
| 60 mph (96.56 km/h) | 61.75 mph (99.38 km/h) |
| 65 mph (104.61 km/h) | 66.9 mph (107.66 km/h) |
| 70 mph (112.65 km/h) | 72.05 mph (115.95 km/h) |
| 75 mph (120.7 km/h) | 77.19 mph (124.23 km/h) |
| 80 mph (128.75 km/h) | 82.34 mph (132.51 km/h) |
| 85 mph (136.79 km/h) | 87.48 mph (140.79 km/h) |
| 90 mph (144.84 km/h) | 92.63 mph (149.07 km/h) |
| 95 mph (152.89 km/h) | 97.78 mph (157.36 km/h) |
| 100 mph (160.93 km/h) | 102.92 mph (165.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1657 | 1925 | 2073 | 2164 | 2263 | 2334 | 2411 | 2503 | 2630 | 2757 | 2898 | 3010 | 3215 | 3440 | 3617 | 3730 | 3793 | 4026 | 4350 | 5055 |
Better Fuel Economy Factory Ratios Increased Power
