Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/40-21 | 285/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.29 (769.4) | 30.98 (786.8) | 0.69 (17.4) 2.3% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 95.16 (2417.14) | 97.32 (2471.81) | 2.15 (54.66) 2.3% |
| Sidewall Height inches (mm) | 4.65 (118) | 4.49 (114) | -0.16 (-4) -3.4% |
| Revolutions per mile (km) | 665.8 (413.71) | 651.08 (404.56) | -14.72 (-9.15) -2.2% |
285/40-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.45 mph (32.91 km/h) |
| 25 mph (40.23 km/h) | 25.57 mph (41.14 km/h) |
| 30 mph (48.28 km/h) | 30.68 mph (49.37 km/h) |
| 35 mph (56.33 km/h) | 35.79 mph (57.6 km/h) |
| 40 mph (64.37 km/h) | 40.9 mph (65.83 km/h) |
| 45 mph (72.42 km/h) | 46.02 mph (74.06 km/h) |
| 50 mph (80.47 km/h) | 51.13 mph (82.29 km/h) |
| 55 mph (88.51 km/h) | 56.24 mph (90.52 km/h) |
| 60 mph (96.56 km/h) | 61.36 mph (98.74 km/h) |
| 65 mph (104.61 km/h) | 66.47 mph (106.97 km/h) |
| 70 mph (112.65 km/h) | 71.58 mph (115.2 km/h) |
| 75 mph (120.7 km/h) | 76.7 mph (123.43 km/h) |
| 80 mph (128.75 km/h) | 81.81 mph (131.66 km/h) |
| 85 mph (136.79 km/h) | 86.92 mph (139.89 km/h) |
| 90 mph (144.84 km/h) | 92.04 mph (148.12 km/h) |
| 95 mph (152.89 km/h) | 97.15 mph (156.35 km/h) |
| 100 mph (160.93 km/h) | 102.26 mph (164.57 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 |
Better Fuel Economy Factory Ratios Increased Power
