Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/70-18 | 285/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.26 (870.2) | 34.83 (884.7) | 0.57 (14.5) 1.7% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 107.63 (2733.81) | 109.42 (2779.37) | 1.79 (45.55) 1.7% |
| Sidewall Height inches (mm) | 8.13 (206.5) | 8.42 (213.75) | 0.29 (7.25) 3.5% |
| Revolutions per mile (km) | 588.68 (365.79) | 579.03 (359.79) | -9.65 (-6) -1.6% |
285/75-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.72 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.9 km/h) |
| 30 mph (48.28 km/h) | 30.5 mph (49.08 km/h) |
| 35 mph (56.33 km/h) | 35.58 mph (57.27 km/h) |
| 40 mph (64.37 km/h) | 40.67 mph (65.45 km/h) |
| 45 mph (72.42 km/h) | 45.75 mph (73.63 km/h) |
| 50 mph (80.47 km/h) | 50.83 mph (81.81 km/h) |
| 55 mph (88.51 km/h) | 55.92 mph (89.99 km/h) |
| 60 mph (96.56 km/h) | 61 mph (98.17 km/h) |
| 65 mph (104.61 km/h) | 66.08 mph (106.35 km/h) |
| 70 mph (112.65 km/h) | 71.17 mph (114.53 km/h) |
| 75 mph (120.7 km/h) | 76.25 mph (122.71 km/h) |
| 80 mph (128.75 km/h) | 81.33 mph (130.89 km/h) |
| 85 mph (136.79 km/h) | 86.42 mph (139.07 km/h) |
| 90 mph (144.84 km/h) | 91.5 mph (147.25 km/h) |
| 95 mph (152.89 km/h) | 96.58 mph (155.44 km/h) |
| 100 mph (160.93 km/h) | 101.67 mph (163.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1474 | 1712 | 1843 | 1925 | 2013 | 2075 | 2144 | 2226 | 2339 | 2452 | 2577 | 2677 | 2859 | 3060 | 3217 | 3317 | 3373 | 3580 | 3869 | 4496 |
Better Fuel Economy Factory Ratios Increased Power
