Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/70-17 | 295/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.36 (872.8) | 34.26 (870.2) | -0.1 (-2.6) -0.3% |
| Width inches (mm) | 12.4 (315) | 11.61 (295) | -0.79 (-20) -6.3% |
| Circum. inches (mm) | 107.95 (2741.98) | 107.63 (2733.81) | -0.32 (-8.17) -0.3% |
| Sidewall Height inches (mm) | 8.68 (220.5) | 8.13 (206.5) | -0.55 (-14) -6.3% |
| Revolutions per mile (km) | 586.93 (364.7) | 588.68 (365.79) | 1.75 (1.09) 0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.94 mph (32.09 km/h) |
| 25 mph (40.23 km/h) | 24.93 mph (40.11 km/h) |
| 30 mph (48.28 km/h) | 29.91 mph (48.14 km/h) |
| 35 mph (56.33 km/h) | 34.9 mph (56.16 km/h) |
| 40 mph (64.37 km/h) | 39.88 mph (64.18 km/h) |
| 45 mph (72.42 km/h) | 44.87 mph (72.2 km/h) |
| 50 mph (80.47 km/h) | 49.85 mph (80.23 km/h) |
| 55 mph (88.51 km/h) | 54.84 mph (88.25 km/h) |
| 60 mph (96.56 km/h) | 59.82 mph (96.27 km/h) |
| 65 mph (104.61 km/h) | 64.81 mph (104.3 km/h) |
| 70 mph (112.65 km/h) | 69.79 mph (112.32 km/h) |
| 75 mph (120.7 km/h) | 74.78 mph (120.34 km/h) |
| 80 mph (128.75 km/h) | 79.76 mph (128.36 km/h) |
| 85 mph (136.79 km/h) | 84.75 mph (136.39 km/h) |
| 90 mph (144.84 km/h) | 89.73 mph (144.41 km/h) |
| 95 mph (152.89 km/h) | 94.72 mph (152.43 km/h) |
| 100 mph (160.93 km/h) | 99.7 mph (160.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1498 | 1740 | 1874 | 1957 | 2046 | 2110 | 2180 | 2263 | 2378 | 2493 | 2620 | 2722 | 2907 | 3111 | 3270 | 3372 | 3430 | 3640 | 3933 | 4571 |
Better Fuel Economy Factory Ratios Increased Power
