Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/35-17 | 315/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 28.16 (715.3) | 2.48 (63) 9.7% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 80.68 (2049.26) | 88.47 (2247.18) | 7.79 (197.92) 9.7% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 5.58 (141.75) | 1.24 (31.5) 28.6% |
| Revolutions per mile (km) | 785.33 (487.98) | 716.16 (445) | -69.17 (-42.98) -8.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.93 mph (35.3 km/h) |
| 25 mph (40.23 km/h) | 27.41 mph (44.12 km/h) |
| 30 mph (48.28 km/h) | 32.9 mph (52.94 km/h) |
| 35 mph (56.33 km/h) | 38.38 mph (61.77 km/h) |
| 40 mph (64.37 km/h) | 43.86 mph (70.59 km/h) |
| 45 mph (72.42 km/h) | 49.35 mph (79.42 km/h) |
| 50 mph (80.47 km/h) | 54.83 mph (88.24 km/h) |
| 55 mph (88.51 km/h) | 60.31 mph (97.06 km/h) |
| 60 mph (96.56 km/h) | 65.79 mph (105.89 km/h) |
| 65 mph (104.61 km/h) | 71.28 mph (114.71 km/h) |
| 70 mph (112.65 km/h) | 76.76 mph (123.53 km/h) |
| 75 mph (120.7 km/h) | 82.24 mph (132.36 km/h) |
| 80 mph (128.75 km/h) | 87.73 mph (141.18 km/h) |
| 85 mph (136.79 km/h) | 93.21 mph (150.01 km/h) |
| 90 mph (144.84 km/h) | 98.69 mph (158.83 km/h) |
| 95 mph (152.89 km/h) | 104.18 mph (167.65 km/h) |
| 100 mph (160.93 km/h) | 109.66 mph (176.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1822 | 2117 | 2280 | 2381 | 2489 | 2567 | 2652 | 2753 | 2893 | 3032 | 3187 | 3312 | 3536 | 3785 | 3978 | 4103 | 4172 | 4428 | 4785 | 5561 |
Better Fuel Economy Factory Ratios Increased Power
