Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/75-18 | 295/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.6 (929.7) | 34.26 (870.2) | -2.34 (-59.5) -6.4% |
| Width inches (mm) | 12.4 (315) | 11.61 (295) | -0.79 (-20) -6.3% |
| Circum. inches (mm) | 114.99 (2920.74) | 107.63 (2733.81) | -7.36 (-186.92) -6.4% |
| Sidewall Height inches (mm) | 9.3 (236.25) | 8.13 (206.5) | -1.17 (-29.75) -12.6% |
| Revolutions per mile (km) | 551.01 (342.38) | 588.68 (365.79) | 37.68 (23.41) 6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.72 mph (30.13 km/h) |
| 25 mph (40.23 km/h) | 23.4 mph (37.66 km/h) |
| 30 mph (48.28 km/h) | 28.08 mph (45.19 km/h) |
| 35 mph (56.33 km/h) | 32.76 mph (52.72 km/h) |
| 40 mph (64.37 km/h) | 37.44 mph (60.25 km/h) |
| 45 mph (72.42 km/h) | 42.12 mph (67.79 km/h) |
| 50 mph (80.47 km/h) | 46.8 mph (75.32 km/h) |
| 55 mph (88.51 km/h) | 51.48 mph (82.85 km/h) |
| 60 mph (96.56 km/h) | 56.16 mph (90.38 km/h) |
| 65 mph (104.61 km/h) | 60.84 mph (97.91 km/h) |
| 70 mph (112.65 km/h) | 65.52 mph (105.44 km/h) |
| 75 mph (120.7 km/h) | 70.2 mph (112.98 km/h) |
| 80 mph (128.75 km/h) | 74.88 mph (120.51 km/h) |
| 85 mph (136.79 km/h) | 79.56 mph (128.04 km/h) |
| 90 mph (144.84 km/h) | 84.24 mph (135.57 km/h) |
| 95 mph (152.89 km/h) | 88.92 mph (143.1 km/h) |
| 100 mph (160.93 km/h) | 93.6 mph (150.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1498 | 1740 | 1874 | 1957 | 2046 | 2110 | 2180 | 2263 | 2378 | 2493 | 2620 | 2722 | 2907 | 3111 | 3270 | 3372 | 3430 | 3640 | 3933 | 4571 |
Better Fuel Economy Factory Ratios Increased Power
