Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/75-18 | 295/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.83 (884.7) | 34.26 (870.2) | -0.57 (-14.5) -1.6% |
| Width inches (mm) | 11.22 (285) | 11.61 (295) | 0.39 (10) 3.5% |
| Circum. inches (mm) | 109.42 (2779.37) | 107.63 (2733.81) | -1.79 (-45.55) -1.6% |
| Sidewall Height inches (mm) | 8.42 (213.75) | 8.13 (206.5) | -0.29 (-7.25) -3.4% |
| Revolutions per mile (km) | 579.03 (359.79) | 588.68 (365.79) | 9.65 (6) 1.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.67 mph (31.66 km/h) |
| 25 mph (40.23 km/h) | 24.59 mph (39.57 km/h) |
| 30 mph (48.28 km/h) | 29.51 mph (47.49 km/h) |
| 35 mph (56.33 km/h) | 34.43 mph (55.4 km/h) |
| 40 mph (64.37 km/h) | 39.34 mph (63.32 km/h) |
| 45 mph (72.42 km/h) | 44.26 mph (71.23 km/h) |
| 50 mph (80.47 km/h) | 49.18 mph (79.15 km/h) |
| 55 mph (88.51 km/h) | 54.1 mph (87.06 km/h) |
| 60 mph (96.56 km/h) | 59.02 mph (94.98 km/h) |
| 65 mph (104.61 km/h) | 63.93 mph (102.89 km/h) |
| 70 mph (112.65 km/h) | 68.85 mph (110.81 km/h) |
| 75 mph (120.7 km/h) | 73.77 mph (118.72 km/h) |
| 80 mph (128.75 km/h) | 78.69 mph (126.64 km/h) |
| 85 mph (136.79 km/h) | 83.61 mph (134.55 km/h) |
| 90 mph (144.84 km/h) | 88.52 mph (142.47 km/h) |
| 95 mph (152.89 km/h) | 93.44 mph (150.38 km/h) |
| 100 mph (160.93 km/h) | 98.36 mph (158.3 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
