Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/40-18 | 285/35-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.24 (717.2) | 29.85 (758.3) | 1.62 (41.1) 5.7% |
| Width inches (mm) | 12.8 (325) | 11.22 (285) | -1.57 (-40) -12.3% |
| Circum. inches (mm) | 88.71 (2253.15) | 93.79 (2382.27) | 5.08 (129.12) 5.7% |
| Sidewall Height inches (mm) | 5.12 (130) | 3.93 (99.75) | -1.19 (-30.25) -23.3% |
| Revolutions per mile (km) | 714.26 (443.82) | 675.55 (419.77) | -38.71 (-24.06) -5.4% |
285/35-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.15 mph (34.03 km/h) |
| 25 mph (40.23 km/h) | 26.43 mph (42.54 km/h) |
| 30 mph (48.28 km/h) | 31.72 mph (51.05 km/h) |
| 35 mph (56.33 km/h) | 37.01 mph (59.56 km/h) |
| 40 mph (64.37 km/h) | 42.29 mph (68.06 km/h) |
| 45 mph (72.42 km/h) | 47.58 mph (76.57 km/h) |
| 50 mph (80.47 km/h) | 52.87 mph (85.08 km/h) |
| 55 mph (88.51 km/h) | 58.15 mph (93.59 km/h) |
| 60 mph (96.56 km/h) | 63.44 mph (102.09 km/h) |
| 65 mph (104.61 km/h) | 68.72 mph (110.6 km/h) |
| 70 mph (112.65 km/h) | 74.01 mph (119.11 km/h) |
| 75 mph (120.7 km/h) | 79.3 mph (127.62 km/h) |
| 80 mph (128.75 km/h) | 84.58 mph (136.13 km/h) |
| 85 mph (136.79 km/h) | 89.87 mph (144.63 km/h) |
| 90 mph (144.84 km/h) | 95.16 mph (153.14 km/h) |
| 95 mph (152.89 km/h) | 100.44 mph (161.65 km/h) |
| 100 mph (160.93 km/h) | 105.73 mph (170.16 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 |
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