Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/35-17 | 325/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 28.52 (724.3) | 2.83 (72) 11% |
| Width inches (mm) | 12.4 (315) | 12.8 (325) | 0.39 (10) 3.2% |
| Circum. inches (mm) | 80.68 (2049.26) | 89.58 (2275.46) | 8.91 (226.19) 11% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 5.76 (146.25) | 1.42 (36) 32.7% |
| Revolutions per mile (km) | 785.33 (487.98) | 707.26 (439.47) | -78.07 (-48.51) -9.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.21 mph (35.74 km/h) |
| 25 mph (40.23 km/h) | 27.76 mph (44.67 km/h) |
| 30 mph (48.28 km/h) | 33.31 mph (53.61 km/h) |
| 35 mph (56.33 km/h) | 38.86 mph (62.54 km/h) |
| 40 mph (64.37 km/h) | 44.42 mph (71.48 km/h) |
| 45 mph (72.42 km/h) | 49.97 mph (80.41 km/h) |
| 50 mph (80.47 km/h) | 55.52 mph (89.35 km/h) |
| 55 mph (88.51 km/h) | 61.07 mph (98.28 km/h) |
| 60 mph (96.56 km/h) | 66.62 mph (107.22 km/h) |
| 65 mph (104.61 km/h) | 72.17 mph (116.15 km/h) |
| 70 mph (112.65 km/h) | 77.73 mph (125.09 km/h) |
| 75 mph (120.7 km/h) | 83.28 mph (134.02 km/h) |
| 80 mph (128.75 km/h) | 88.83 mph (142.96 km/h) |
| 85 mph (136.79 km/h) | 94.38 mph (151.89 km/h) |
| 90 mph (144.84 km/h) | 99.93 mph (160.83 km/h) |
| 95 mph (152.89 km/h) | 105.49 mph (169.76 km/h) |
| 100 mph (160.93 km/h) | 111.04 mph (178.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1800 | 2091 | 2252 | 2351 | 2459 | 2535 | 2619 | 2719 | 2857 | 2995 | 3148 | 3270 | 3492 | 3738 | 3929 | 4052 | 4121 | 4373 | 4726 | 5491 |
Better Fuel Economy Factory Ratios Increased Power
