Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-22.5 | 255/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.3 (947.5) | 36.56 (928.5) | -0.75 (-19) -2% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 117.19 (2976.66) | 114.84 (2916.97) | -2.35 (-59.69) -2% |
| Sidewall Height inches (mm) | 7.4 (188) | 7.03 (178.5) | -0.37 (-9.5) -5.1% |
| Revolutions per mile (km) | 540.65 (335.95) | 551.72 (342.82) | 11.06 (6.87) 2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.6 mph (31.54 km/h) |
| 25 mph (40.23 km/h) | 24.5 mph (39.43 km/h) |
| 30 mph (48.28 km/h) | 29.4 mph (47.31 km/h) |
| 35 mph (56.33 km/h) | 34.3 mph (55.2 km/h) |
| 40 mph (64.37 km/h) | 39.2 mph (63.08 km/h) |
| 45 mph (72.42 km/h) | 44.1 mph (70.97 km/h) |
| 50 mph (80.47 km/h) | 49 mph (78.85 km/h) |
| 55 mph (88.51 km/h) | 53.9 mph (86.74 km/h) |
| 60 mph (96.56 km/h) | 58.8 mph (94.62 km/h) |
| 65 mph (104.61 km/h) | 63.7 mph (102.51 km/h) |
| 70 mph (112.65 km/h) | 68.6 mph (110.4 km/h) |
| 75 mph (120.7 km/h) | 73.5 mph (118.28 km/h) |
| 80 mph (128.75 km/h) | 78.4 mph (126.17 km/h) |
| 85 mph (136.79 km/h) | 83.3 mph (134.05 km/h) |
| 90 mph (144.84 km/h) | 88.2 mph (141.94 km/h) |
| 95 mph (152.89 km/h) | 93.09 mph (149.82 km/h) |
| 100 mph (160.93 km/h) | 97.99 mph (157.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1404 | 1631 | 1757 | 1834 | 1918 | 1978 | 2043 | 2121 | 2229 | 2336 | 2456 | 2551 | 2724 | 2916 | 3065 | 3161 | 3214 | 3411 | 3686 | 4284 |
Better Fuel Economy Factory Ratios Increased Power
