Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/70-17 | 315/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.36 (872.8) | 35.6 (904.3) | 1.24 (31.5) 3.6% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 107.95 (2741.98) | 111.85 (2840.94) | 3.9 (98.96) 3.6% |
| Sidewall Height inches (mm) | 8.68 (220.5) | 9.3 (236.25) | 0.62 (15.75) 7.1% |
| Revolutions per mile (km) | 586.93 (364.7) | 566.48 (352) | -20.44 (-12.7) -3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.72 mph (33.35 km/h) |
| 25 mph (40.23 km/h) | 25.9 mph (41.69 km/h) |
| 30 mph (48.28 km/h) | 31.08 mph (50.02 km/h) |
| 35 mph (56.33 km/h) | 36.26 mph (58.36 km/h) |
| 40 mph (64.37 km/h) | 41.44 mph (66.7 km/h) |
| 45 mph (72.42 km/h) | 46.62 mph (75.03 km/h) |
| 50 mph (80.47 km/h) | 51.8 mph (83.37 km/h) |
| 55 mph (88.51 km/h) | 56.98 mph (91.71 km/h) |
| 60 mph (96.56 km/h) | 62.17 mph (100.05 km/h) |
| 65 mph (104.61 km/h) | 67.35 mph (108.38 km/h) |
| 70 mph (112.65 km/h) | 72.53 mph (116.72 km/h) |
| 75 mph (120.7 km/h) | 77.71 mph (125.06 km/h) |
| 80 mph (128.75 km/h) | 82.89 mph (133.39 km/h) |
| 85 mph (136.79 km/h) | 88.07 mph (141.73 km/h) |
| 90 mph (144.84 km/h) | 93.25 mph (150.07 km/h) |
| 95 mph (152.89 km/h) | 98.43 mph (158.41 km/h) |
| 100 mph (160.93 km/h) | 103.61 mph (166.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1442 | 1675 | 1804 | 1883 | 1969 | 2030 | 2098 | 2178 | 2288 | 2399 | 2521 | 2619 | 2797 | 2994 | 3147 | 3245 | 3300 | 3503 | 3785 | 4398 |
Better Fuel Economy Factory Ratios Increased Power
