Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-22 | 255/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.02 (711.8) | 34.06 (865) | 6.03 (153.2) 21.5% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 88.04 (2236.19) | 106.99 (2717.48) | 18.95 (481.29) 21.5% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 7.03 (178.5) | 4.02 (102) 133.3% |
| Revolutions per mile (km) | 719.68 (447.19) | 592.22 (367.99) | -127.46 (-79.2) -17.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.3 mph (39.11 km/h) |
| 25 mph (40.23 km/h) | 30.38 mph (48.89 km/h) |
| 30 mph (48.28 km/h) | 36.46 mph (58.67 km/h) |
| 35 mph (56.33 km/h) | 42.53 mph (68.45 km/h) |
| 40 mph (64.37 km/h) | 48.61 mph (78.23 km/h) |
| 45 mph (72.42 km/h) | 54.69 mph (88.01 km/h) |
| 50 mph (80.47 km/h) | 60.76 mph (97.79 km/h) |
| 55 mph (88.51 km/h) | 66.84 mph (107.56 km/h) |
| 60 mph (96.56 km/h) | 72.91 mph (117.34 km/h) |
| 65 mph (104.61 km/h) | 78.99 mph (127.12 km/h) |
| 70 mph (112.65 km/h) | 85.07 mph (136.9 km/h) |
| 75 mph (120.7 km/h) | 91.14 mph (146.68 km/h) |
| 80 mph (128.75 km/h) | 97.22 mph (156.46 km/h) |
| 85 mph (136.79 km/h) | 103.29 mph (166.24 km/h) |
| 90 mph (144.84 km/h) | 109.37 mph (176.02 km/h) |
| 95 mph (152.89 km/h) | 115.45 mph (185.79 km/h) |
| 100 mph (160.93 km/h) | 121.52 mph (195.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1507 | 1751 | 1885 | 1969 | 2059 | 2123 | 2193 | 2277 | 2392 | 2508 | 2636 | 2738 | 2924 | 3130 | 3290 | 3393 | 3450 | 3662 | 3957 | 4598 |
Better Fuel Economy Factory Ratios Increased Power
