Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/75-18 | 315/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.6 (929.7) | 34.6 (878.9) | -2 (-50.8) -5.5% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 114.99 (2920.74) | 108.71 (2761.15) | -6.28 (-159.59) -5.5% |
| Sidewall Height inches (mm) | 9.3 (236.25) | 9.3 (236.25) | 0 (0) 0% |
| Revolutions per mile (km) | 551.01 (342.38) | 582.85 (362.17) | 31.85 (19.79) 5.8% |
315/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.91 mph (30.43 km/h) |
| 25 mph (40.23 km/h) | 23.63 mph (38.04 km/h) |
| 30 mph (48.28 km/h) | 28.36 mph (45.64 km/h) |
| 35 mph (56.33 km/h) | 33.09 mph (53.25 km/h) |
| 40 mph (64.37 km/h) | 37.81 mph (60.86 km/h) |
| 45 mph (72.42 km/h) | 42.54 mph (68.46 km/h) |
| 50 mph (80.47 km/h) | 47.27 mph (76.07 km/h) |
| 55 mph (88.51 km/h) | 51.99 mph (83.68 km/h) |
| 60 mph (96.56 km/h) | 56.72 mph (91.28 km/h) |
| 65 mph (104.61 km/h) | 61.45 mph (98.89 km/h) |
| 70 mph (112.65 km/h) | 66.18 mph (106.5 km/h) |
| 75 mph (120.7 km/h) | 70.9 mph (114.11 km/h) |
| 80 mph (128.75 km/h) | 75.63 mph (121.71 km/h) |
| 85 mph (136.79 km/h) | 80.36 mph (129.32 km/h) |
| 90 mph (144.84 km/h) | 85.08 mph (136.93 km/h) |
| 95 mph (152.89 km/h) | 89.81 mph (144.53 km/h) |
| 100 mph (160.93 km/h) | 94.54 mph (152.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1483 | 1723 | 1856 | 1938 | 2026 | 2089 | 2159 | 2241 | 2354 | 2468 | 2594 | 2695 | 2878 | 3080 | 3238 | 3339 | 3396 | 3604 | 3894 | 4525 |
Better Fuel Economy Factory Ratios Increased Power
