Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/75-16 | 315/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.65 (803.9) | 34.36 (872.8) | 2.71 (68.9) 8.6% |
| Width inches (mm) | 10.43 (265) | 12.4 (315) | 1.97 (50) 18.9% |
| Circum. inches (mm) | 99.43 (2525.53) | 107.95 (2741.98) | 8.52 (216.46) 8.6% |
| Sidewall Height inches (mm) | 7.82 (198.75) | 8.68 (220.5) | 0.86 (21.75) 10.9% |
| Revolutions per mile (km) | 637.23 (395.96) | 586.93 (364.7) | -50.3 (-31.26) -7.9% |
315/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.71 mph (34.95 km/h) |
| 25 mph (40.23 km/h) | 27.14 mph (43.68 km/h) |
| 30 mph (48.28 km/h) | 32.57 mph (52.42 km/h) |
| 35 mph (56.33 km/h) | 38 mph (61.15 km/h) |
| 40 mph (64.37 km/h) | 43.43 mph (69.89 km/h) |
| 45 mph (72.42 km/h) | 48.86 mph (78.63 km/h) |
| 50 mph (80.47 km/h) | 54.29 mph (87.36 km/h) |
| 55 mph (88.51 km/h) | 59.71 mph (96.1 km/h) |
| 60 mph (96.56 km/h) | 65.14 mph (104.84 km/h) |
| 65 mph (104.61 km/h) | 70.57 mph (113.57 km/h) |
| 70 mph (112.65 km/h) | 76 mph (122.31 km/h) |
| 75 mph (120.7 km/h) | 81.43 mph (131.05 km/h) |
| 80 mph (128.75 km/h) | 86.86 mph (139.78 km/h) |
| 85 mph (136.79 km/h) | 92.29 mph (148.52 km/h) |
| 90 mph (144.84 km/h) | 97.71 mph (157.26 km/h) |
| 95 mph (152.89 km/h) | 103.14 mph (165.99 km/h) |
| 100 mph (160.93 km/h) | 108.57 mph (174.73 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1494 | 1735 | 1869 | 1951 | 2040 | 2104 | 2174 | 2256 | 2371 | 2485 | 2612 | 2714 | 2898 | 3102 | 3261 | 3362 | 3419 | 3629 | 3922 | 4557 |
Better Fuel Economy Factory Ratios Increased Power
