Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-22.5 | 245/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.3 (947.5) | 36 (914.5) | -1.3 (-33) -3.5% |
| Width inches (mm) | 9.25 (235) | 9.65 (245) | 0.39 (10) 4.3% |
| Circum. inches (mm) | 117.19 (2976.66) | 113.11 (2872.99) | -4.08 (-103.67) -3.5% |
| Sidewall Height inches (mm) | 7.4 (188) | 6.75 (171.5) | -0.65 (-16.5) -8.8% |
| Revolutions per mile (km) | 540.65 (335.95) | 560.16 (348.07) | 19.51 (12.12) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.3 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.83 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.6 km/h) |
| 35 mph (56.33 km/h) | 33.78 mph (54.37 km/h) |
| 40 mph (64.37 km/h) | 38.61 mph (62.13 km/h) |
| 45 mph (72.42 km/h) | 43.43 mph (69.9 km/h) |
| 50 mph (80.47 km/h) | 48.26 mph (77.66 km/h) |
| 55 mph (88.51 km/h) | 53.08 mph (85.43 km/h) |
| 60 mph (96.56 km/h) | 57.91 mph (93.2 km/h) |
| 65 mph (104.61 km/h) | 62.74 mph (100.96 km/h) |
| 70 mph (112.65 km/h) | 67.56 mph (108.73 km/h) |
| 75 mph (120.7 km/h) | 72.39 mph (116.5 km/h) |
| 80 mph (128.75 km/h) | 77.21 mph (124.26 km/h) |
| 85 mph (136.79 km/h) | 82.04 mph (132.03 km/h) |
| 90 mph (144.84 km/h) | 86.87 mph (139.8 km/h) |
| 95 mph (152.89 km/h) | 91.69 mph (147.56 km/h) |
| 100 mph (160.93 km/h) | 96.52 mph (155.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1426 | 1656 | 1783 | 1862 | 1947 | 2008 | 2075 | 2153 | 2263 | 2372 | 2493 | 2590 | 2766 | 2960 | 3112 | 3209 | 3264 | 3464 | 3743 | 4349 |
Better Fuel Economy Factory Ratios Increased Power
