Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 315/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 33.36 (847.4) | 6.2 (157.5) 22.8% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 85.33 (2167.38) | 104.81 (2662.19) | 19.48 (494.8) 22.8% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 8.68 (220.5) | 3.1 (78.75) 55.6% |
| Revolutions per mile (km) | 742.53 (461.38) | 604.52 (375.63) | -138.01 (-85.75) -18.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.57 mph (39.54 km/h) |
| 25 mph (40.23 km/h) | 30.71 mph (49.42 km/h) |
| 30 mph (48.28 km/h) | 36.85 mph (59.3 km/h) |
| 35 mph (56.33 km/h) | 42.99 mph (69.19 km/h) |
| 40 mph (64.37 km/h) | 49.13 mph (79.07 km/h) |
| 45 mph (72.42 km/h) | 55.27 mph (88.95 km/h) |
| 50 mph (80.47 km/h) | 61.41 mph (98.84 km/h) |
| 55 mph (88.51 km/h) | 67.56 mph (108.72 km/h) |
| 60 mph (96.56 km/h) | 73.7 mph (118.61 km/h) |
| 65 mph (104.61 km/h) | 79.84 mph (128.49 km/h) |
| 70 mph (112.65 km/h) | 85.98 mph (138.37 km/h) |
| 75 mph (120.7 km/h) | 92.12 mph (148.26 km/h) |
| 80 mph (128.75 km/h) | 98.26 mph (158.14 km/h) |
| 85 mph (136.79 km/h) | 104.4 mph (168.02 km/h) |
| 90 mph (144.84 km/h) | 110.55 mph (177.91 km/h) |
| 95 mph (152.89 km/h) | 116.69 mph (187.79 km/h) |
| 100 mph (160.93 km/h) | 122.83 mph (197.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1538 | 1787 | 1925 | 2010 | 2101 | 2167 | 2239 | 2324 | 2442 | 2560 | 2691 | 2795 | 2985 | 3195 | 3358 | 3463 | 3522 | 3738 | 4039 | 4694 |
Better Fuel Economy Factory Ratios Increased Power
