Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/45-21 | 285/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.74 (780.9) | 30.98 (786.8) | 0.23 (5.9) 0.8% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 96.59 (2453.27) | 97.32 (2471.81) | 0.73 (18.54) 0.8% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.49 (114) | -0.38 (-9.75) -7.9% |
| Revolutions per mile (km) | 656 (407.62) | 651.08 (404.56) | -4.92 (-3.06) -0.7% |
285/40-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.15 mph (32.43 km/h) |
| 25 mph (40.23 km/h) | 25.19 mph (40.54 km/h) |
| 30 mph (48.28 km/h) | 30.23 mph (48.65 km/h) |
| 35 mph (56.33 km/h) | 35.26 mph (56.75 km/h) |
| 40 mph (64.37 km/h) | 40.3 mph (64.86 km/h) |
| 45 mph (72.42 km/h) | 45.34 mph (72.97 km/h) |
| 50 mph (80.47 km/h) | 50.38 mph (81.08 km/h) |
| 55 mph (88.51 km/h) | 55.42 mph (89.18 km/h) |
| 60 mph (96.56 km/h) | 60.45 mph (97.29 km/h) |
| 65 mph (104.61 km/h) | 65.49 mph (105.4 km/h) |
| 70 mph (112.65 km/h) | 70.53 mph (113.51 km/h) |
| 75 mph (120.7 km/h) | 75.57 mph (121.61 km/h) |
| 80 mph (128.75 km/h) | 80.6 mph (129.72 km/h) |
| 85 mph (136.79 km/h) | 85.64 mph (137.83 km/h) |
| 90 mph (144.84 km/h) | 90.68 mph (145.94 km/h) |
| 95 mph (152.89 km/h) | 95.72 mph (154.04 km/h) |
| 100 mph (160.93 km/h) | 100.76 mph (162.15 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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