Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/30-22 | 235/40-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.55 (699.8) | 29.4 (746.8) | 1.85 (47) 6.7% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 86.55 (2198.49) | 92.37 (2346.14) | 5.81 (147.65) 6.7% |
| Sidewall Height inches (mm) | 2.78 (70.5) | 3.7 (94) | 0.93 (23.5) 33.3% |
| Revolutions per mile (km) | 732.02 (454.86) | 685.95 (426.23) | -46.07 (-28.63) -6.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.34 mph (34.35 km/h) |
| 25 mph (40.23 km/h) | 26.68 mph (42.94 km/h) |
| 30 mph (48.28 km/h) | 32.01 mph (51.52 km/h) |
| 35 mph (56.33 km/h) | 37.35 mph (60.11 km/h) |
| 40 mph (64.37 km/h) | 42.69 mph (68.7 km/h) |
| 45 mph (72.42 km/h) | 48.02 mph (77.28 km/h) |
| 50 mph (80.47 km/h) | 53.36 mph (85.87 km/h) |
| 55 mph (88.51 km/h) | 58.69 mph (94.46 km/h) |
| 60 mph (96.56 km/h) | 64.03 mph (103.05 km/h) |
| 65 mph (104.61 km/h) | 69.37 mph (111.63 km/h) |
| 70 mph (112.65 km/h) | 74.7 mph (120.22 km/h) |
| 75 mph (120.7 km/h) | 80.04 mph (128.81 km/h) |
| 80 mph (128.75 km/h) | 85.37 mph (137.39 km/h) |
| 85 mph (136.79 km/h) | 90.71 mph (145.98 km/h) |
| 90 mph (144.84 km/h) | 96.04 mph (154.57 km/h) |
| 95 mph (152.89 km/h) | 101.38 mph (163.16 km/h) |
| 100 mph (160.93 km/h) | 106.72 mph (171.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1746 | 2028 | 2184 | 2280 | 2384 | 2459 | 2540 | 2637 | 2771 | 2904 | 3053 | 3172 | 3387 | 3625 | 3811 | 3930 | 3996 | 4241 | 4583 | 5326 |
Better Fuel Economy Factory Ratios Increased Power
