Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/35-17 | 305/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 27.81 (706.3) | 2.13 (54) 8.3% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 80.68 (2049.26) | 87.36 (2218.91) | 6.68 (169.65) 8.3% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 5.4 (137.25) | 1.06 (27) 24.5% |
| Revolutions per mile (km) | 785.33 (487.98) | 725.29 (450.67) | -60.04 (-37.31) -7.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.66 mph (34.85 km/h) |
| 25 mph (40.23 km/h) | 27.07 mph (43.56 km/h) |
| 30 mph (48.28 km/h) | 32.48 mph (52.28 km/h) |
| 35 mph (56.33 km/h) | 37.9 mph (60.99 km/h) |
| 40 mph (64.37 km/h) | 43.31 mph (69.7 km/h) |
| 45 mph (72.42 km/h) | 48.73 mph (78.42 km/h) |
| 50 mph (80.47 km/h) | 54.14 mph (87.13 km/h) |
| 55 mph (88.51 km/h) | 59.55 mph (95.84 km/h) |
| 60 mph (96.56 km/h) | 64.97 mph (104.55 km/h) |
| 65 mph (104.61 km/h) | 70.38 mph (113.27 km/h) |
| 70 mph (112.65 km/h) | 75.79 mph (121.98 km/h) |
| 75 mph (120.7 km/h) | 81.21 mph (130.69 km/h) |
| 80 mph (128.75 km/h) | 86.62 mph (139.41 km/h) |
| 85 mph (136.79 km/h) | 92.04 mph (148.12 km/h) |
| 90 mph (144.84 km/h) | 97.45 mph (156.83 km/h) |
| 95 mph (152.89 km/h) | 102.86 mph (165.54 km/h) |
| 100 mph (160.93 km/h) | 108.28 mph (174.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1846 | 2144 | 2309 | 2411 | 2521 | 2600 | 2686 | 2788 | 2930 | 3071 | 3228 | 3354 | 3581 | 3833 | 4029 | 4155 | 4226 | 4485 | 4846 | 5631 |
Better Fuel Economy Factory Ratios Increased Power
