Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/70-18 | 35/11.5-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.36 (898.2) | 35.01 (889.36) | -0.35 (-8.84) -1% |
| Width inches (mm) | 12.4 (315) | 11.5 (292) | -0.91 (-23) -7.3% |
| Circum. inches (mm) | 111.09 (2821.78) | 110 (2794.01) | -1.09 (-27.77) -1% |
| Sidewall Height inches (mm) | 8.68 (220.5) | 8.51 (216.08) | -0.17 (-4.42) -2% |
| Revolutions per mile (km) | 570.33 (354.39) | 576 (357.91) | 5.67 (3.52) 1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.8 mph (31.87 km/h) |
| 25 mph (40.23 km/h) | 24.75 mph (39.84 km/h) |
| 30 mph (48.28 km/h) | 29.7 mph (47.81 km/h) |
| 35 mph (56.33 km/h) | 34.66 mph (55.77 km/h) |
| 40 mph (64.37 km/h) | 39.61 mph (63.74 km/h) |
| 45 mph (72.42 km/h) | 44.56 mph (71.71 km/h) |
| 50 mph (80.47 km/h) | 49.51 mph (79.68 km/h) |
| 55 mph (88.51 km/h) | 54.46 mph (87.64 km/h) |
| 60 mph (96.56 km/h) | 59.41 mph (95.61 km/h) |
| 65 mph (104.61 km/h) | 64.36 mph (103.58 km/h) |
| 70 mph (112.65 km/h) | 69.31 mph (111.55 km/h) |
| 75 mph (120.7 km/h) | 74.26 mph (119.51 km/h) |
| 80 mph (128.75 km/h) | 79.21 mph (127.48 km/h) |
| 85 mph (136.79 km/h) | 84.16 mph (135.45 km/h) |
| 90 mph (144.84 km/h) | 89.11 mph (143.42 km/h) |
| 95 mph (152.89 km/h) | 94.07 mph (151.38 km/h) |
| 100 mph (160.93 km/h) | 99.02 mph (159.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1466 | 1703 | 1834 | 1915 | 2002 | 2065 | 2133 | 2214 | 2327 | 2439 | 2564 | 2663 | 2844 | 3044 | 3200 | 3300 | 3356 | 3562 | 3849 | 4472 |
Better Fuel Economy Factory Ratios Increased Power
