Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/40-21 | 285/35-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.98 (761.4) | 29.85 (758.3) | -0.12 (-3.1) -0.4% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 94.17 (2392.01) | 93.79 (2382.27) | -0.38 (-9.74) -0.4% |
| Sidewall Height inches (mm) | 4.49 (114) | 3.93 (99.75) | -0.56 (-14.25) -12.5% |
| Revolutions per mile (km) | 672.8 (418.06) | 675.55 (419.77) | 2.75 (1.71) 0.4% |
285/35-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.92 mph (32.06 km/h) |
| 25 mph (40.23 km/h) | 24.9 mph (40.07 km/h) |
| 30 mph (48.28 km/h) | 29.88 mph (48.08 km/h) |
| 35 mph (56.33 km/h) | 34.86 mph (56.1 km/h) |
| 40 mph (64.37 km/h) | 39.84 mph (64.11 km/h) |
| 45 mph (72.42 km/h) | 44.82 mph (72.13 km/h) |
| 50 mph (80.47 km/h) | 49.8 mph (80.14 km/h) |
| 55 mph (88.51 km/h) | 54.78 mph (88.15 km/h) |
| 60 mph (96.56 km/h) | 59.76 mph (96.17 km/h) |
| 65 mph (104.61 km/h) | 64.74 mph (104.18 km/h) |
| 70 mph (112.65 km/h) | 69.71 mph (112.2 km/h) |
| 75 mph (120.7 km/h) | 74.69 mph (120.21 km/h) |
| 80 mph (128.75 km/h) | 79.67 mph (128.22 km/h) |
| 85 mph (136.79 km/h) | 84.65 mph (136.24 km/h) |
| 90 mph (144.84 km/h) | 89.63 mph (144.25 km/h) |
| 95 mph (152.89 km/h) | 94.61 mph (152.27 km/h) |
| 100 mph (160.93 km/h) | 99.59 mph (160.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1719 | 1997 | 2151 | 2246 | 2348 | 2421 | 2502 | 2597 | 2729 | 2860 | 3007 | 3124 | 3336 | 3570 | 3753 | 3870 | 3936 | 4177 | 4514 | 5245 |
Better Fuel Economy Factory Ratios Increased Power
