Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-22 | 245/34-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.02 (711.8) | 26.56 (674.6) | -1.46 (-37.2) -5.2% |
| Width inches (mm) | 10.04 (255) | 9.65 (245) | -0.39 (-10) -3.9% |
| Circum. inches (mm) | 88.04 (2236.19) | 83.44 (2119.32) | -4.6 (-116.87) -5.2% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 3.28 (83.3) | 0.27 (6.8) 8.9% |
| Revolutions per mile (km) | 719.68 (447.19) | 759.37 (471.85) | 39.69 (24.66) 5.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.95 mph (30.5 km/h) |
| 25 mph (40.23 km/h) | 23.69 mph (38.13 km/h) |
| 30 mph (48.28 km/h) | 28.43 mph (45.76 km/h) |
| 35 mph (56.33 km/h) | 33.17 mph (53.38 km/h) |
| 40 mph (64.37 km/h) | 37.91 mph (61.01 km/h) |
| 45 mph (72.42 km/h) | 42.65 mph (68.64 km/h) |
| 50 mph (80.47 km/h) | 47.39 mph (76.26 km/h) |
| 55 mph (88.51 km/h) | 52.13 mph (83.89 km/h) |
| 60 mph (96.56 km/h) | 56.86 mph (91.51 km/h) |
| 65 mph (104.61 km/h) | 61.6 mph (99.14 km/h) |
| 70 mph (112.65 km/h) | 66.34 mph (106.77 km/h) |
| 75 mph (120.7 km/h) | 71.08 mph (114.39 km/h) |
| 80 mph (128.75 km/h) | 75.82 mph (122.02 km/h) |
| 85 mph (136.79 km/h) | 80.56 mph (129.65 km/h) |
| 90 mph (144.84 km/h) | 85.3 mph (137.27 km/h) |
| 95 mph (152.89 km/h) | 90.04 mph (144.9 km/h) |
| 100 mph (160.93 km/h) | 94.77 mph (152.52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1932 | 2245 | 2418 | 2525 | 2640 | 2722 | 2812 | 2919 | 3067 | 3215 | 3380 | 3511 | 3750 | 4013 | 4218 | 4350 | 4424 | 4695 | 5074 | 5896 |
Better Fuel Economy Factory Ratios Increased Power
