Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/75-16 | 31/10.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.65 (803.9) | 30.98 (786.84) | -0.67 (-17.06) -2.1% |
| Width inches (mm) | 10.43 (265) | 10.51 (267) | 0.08 (2) 0.8% |
| Circum. inches (mm) | 99.43 (2525.53) | 97.32 (2471.93) | -2.11 (-53.6) -2.1% |
| Sidewall Height inches (mm) | 7.82 (198.75) | 7.99 (202.92) | 0.16 (4.17) 2.1% |
| Revolutions per mile (km) | 637.23 (395.96) | 651.05 (404.54) | 13.82 (8.58) 2.2% |
31/10.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.58 mph (31.5 km/h) |
| 25 mph (40.23 km/h) | 24.47 mph (39.38 km/h) |
| 30 mph (48.28 km/h) | 29.36 mph (47.26 km/h) |
| 35 mph (56.33 km/h) | 34.26 mph (55.13 km/h) |
| 40 mph (64.37 km/h) | 39.15 mph (63.01 km/h) |
| 45 mph (72.42 km/h) | 44.05 mph (70.88 km/h) |
| 50 mph (80.47 km/h) | 48.94 mph (78.76 km/h) |
| 55 mph (88.51 km/h) | 53.83 mph (86.64 km/h) |
| 60 mph (96.56 km/h) | 58.73 mph (94.51 km/h) |
| 65 mph (104.61 km/h) | 63.62 mph (102.39 km/h) |
| 70 mph (112.65 km/h) | 68.51 mph (110.26 km/h) |
| 75 mph (120.7 km/h) | 73.41 mph (118.14 km/h) |
| 80 mph (128.75 km/h) | 78.3 mph (126.02 km/h) |
| 85 mph (136.79 km/h) | 83.2 mph (133.89 km/h) |
| 90 mph (144.84 km/h) | 88.09 mph (141.77 km/h) |
| 95 mph (152.89 km/h) | 92.98 mph (149.64 km/h) |
| 100 mph (160.93 km/h) | 97.88 mph (157.52 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
