Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/30-22 | 235/20-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.55 (699.8) | 25.7 (652.8) | -1.85 (-47) -6.7% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 86.55 (2198.49) | 80.74 (2050.83) | -5.81 (-147.65) -6.7% |
| Sidewall Height inches (mm) | 2.78 (70.5) | 1.85 (47) | -0.93 (-23.5) -33.3% |
| Revolutions per mile (km) | 732.02 (454.86) | 784.73 (487.61) | 52.7 (32.75) 7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.66 mph (30.03 km/h) |
| 25 mph (40.23 km/h) | 23.32 mph (37.53 km/h) |
| 30 mph (48.28 km/h) | 27.99 mph (45.04 km/h) |
| 35 mph (56.33 km/h) | 32.65 mph (52.54 km/h) |
| 40 mph (64.37 km/h) | 37.31 mph (60.05 km/h) |
| 45 mph (72.42 km/h) | 41.98 mph (67.56 km/h) |
| 50 mph (80.47 km/h) | 46.64 mph (75.06 km/h) |
| 55 mph (88.51 km/h) | 51.31 mph (82.57 km/h) |
| 60 mph (96.56 km/h) | 55.97 mph (90.08 km/h) |
| 65 mph (104.61 km/h) | 60.63 mph (97.58 km/h) |
| 70 mph (112.65 km/h) | 65.3 mph (105.09 km/h) |
| 75 mph (120.7 km/h) | 69.96 mph (112.59 km/h) |
| 80 mph (128.75 km/h) | 74.63 mph (120.1 km/h) |
| 85 mph (136.79 km/h) | 79.29 mph (127.61 km/h) |
| 90 mph (144.84 km/h) | 83.96 mph (135.11 km/h) |
| 95 mph (152.89 km/h) | 88.62 mph (142.62 km/h) |
| 100 mph (160.93 km/h) | 93.28 mph (150.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 2320 | 2498 | 2609 | 2728 | 2813 | 2906 | 3017 | 3170 | 3323 | 3493 | 3629 | 3875 | 4147 | 4359 | 4495 | 4572 | 4852 | 5243 | 6093 |
Better Fuel Economy Factory Ratios Increased Power
