Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/35-18 | 285/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.7) | 25.85 (656.7) | 0.55 (14) 2.2% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 79.49 (2019.1) | 81.22 (2063.08) | 1.73 (43.98) 2.2% |
| Sidewall Height inches (mm) | 3.65 (92.75) | 3.93 (99.75) | 0.28 (7) 7.5% |
| Revolutions per mile (km) | 797.06 (495.27) | 780.07 (484.71) | -16.99 (-10.56) -2.1% |
285/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.44 mph (32.89 km/h) |
| 25 mph (40.23 km/h) | 25.54 mph (41.11 km/h) |
| 30 mph (48.28 km/h) | 30.65 mph (49.33 km/h) |
| 35 mph (56.33 km/h) | 35.76 mph (57.55 km/h) |
| 40 mph (64.37 km/h) | 40.87 mph (65.78 km/h) |
| 45 mph (72.42 km/h) | 45.98 mph (74 km/h) |
| 50 mph (80.47 km/h) | 51.09 mph (82.22 km/h) |
| 55 mph (88.51 km/h) | 56.2 mph (90.44 km/h) |
| 60 mph (96.56 km/h) | 61.31 mph (98.66 km/h) |
| 65 mph (104.61 km/h) | 66.42 mph (106.89 km/h) |
| 70 mph (112.65 km/h) | 71.52 mph (115.11 km/h) |
| 75 mph (120.7 km/h) | 76.63 mph (123.33 km/h) |
| 80 mph (128.75 km/h) | 81.74 mph (131.55 km/h) |
| 85 mph (136.79 km/h) | 86.85 mph (139.77 km/h) |
| 90 mph (144.84 km/h) | 91.96 mph (148 km/h) |
| 95 mph (152.89 km/h) | 97.07 mph (156.22 km/h) |
| 100 mph (160.93 km/h) | 102.18 mph (164.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 2306 | 2484 | 2593 | 2712 | 2796 | 2889 | 2999 | 3151 | 3303 | 3472 | 3607 | 3852 | 4122 | 4333 | 4469 | 4545 | 4823 | 5212 | 6057 |
Better Fuel Economy Factory Ratios Increased Power
