Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/45-21 | 285/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.39 (771.9) | 30.98 (786.8) | 0.59 (14.9) 1.9% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 95.47 (2425) | 97.32 (2471.81) | 1.84 (46.81) 1.9% |
| Sidewall Height inches (mm) | 4.69 (119.25) | 4.49 (114) | -0.21 (-5.25) -4.4% |
| Revolutions per mile (km) | 663.65 (412.37) | 651.08 (404.56) | -12.57 (-7.81) -1.9% |
285/40-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.39 mph (32.81 km/h) |
| 25 mph (40.23 km/h) | 25.48 mph (41.01 km/h) |
| 30 mph (48.28 km/h) | 30.58 mph (49.21 km/h) |
| 35 mph (56.33 km/h) | 35.68 mph (57.41 km/h) |
| 40 mph (64.37 km/h) | 40.77 mph (65.62 km/h) |
| 45 mph (72.42 km/h) | 45.87 mph (73.82 km/h) |
| 50 mph (80.47 km/h) | 50.97 mph (82.02 km/h) |
| 55 mph (88.51 km/h) | 56.06 mph (90.22 km/h) |
| 60 mph (96.56 km/h) | 61.16 mph (98.42 km/h) |
| 65 mph (104.61 km/h) | 66.25 mph (106.63 km/h) |
| 70 mph (112.65 km/h) | 71.35 mph (114.83 km/h) |
| 75 mph (120.7 km/h) | 76.45 mph (123.03 km/h) |
| 80 mph (128.75 km/h) | 81.54 mph (131.23 km/h) |
| 85 mph (136.79 km/h) | 86.64 mph (139.44 km/h) |
| 90 mph (144.84 km/h) | 91.74 mph (147.64 km/h) |
| 95 mph (152.89 km/h) | 96.83 mph (155.84 km/h) |
| 100 mph (160.93 km/h) | 101.93 mph (164.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1657 | 1925 | 2073 | 2165 | 2263 | 2334 | 2411 | 2503 | 2630 | 2757 | 2898 | 3011 | 3215 | 3441 | 3617 | 3730 | 3793 | 4026 | 4350 | 5055 |
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