Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/80-22.5 | 255/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 39.82 (1011.5) | 36.56 (928.5) | -3.27 (-83) -8.2% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 125.11 (3177.72) | 114.84 (2916.97) | -10.27 (-260.75) -8.2% |
| Sidewall Height inches (mm) | 8.66 (220) | 7.03 (178.5) | -1.63 (-41.5) -18.9% |
| Revolutions per mile (km) | 506.45 (314.69) | 551.72 (342.82) | 45.27 (28.13) 8.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.36 mph (29.55 km/h) |
| 25 mph (40.23 km/h) | 22.95 mph (36.93 km/h) |
| 30 mph (48.28 km/h) | 27.54 mph (44.32 km/h) |
| 35 mph (56.33 km/h) | 32.13 mph (51.71 km/h) |
| 40 mph (64.37 km/h) | 36.72 mph (59.09 km/h) |
| 45 mph (72.42 km/h) | 41.31 mph (66.48 km/h) |
| 50 mph (80.47 km/h) | 45.9 mph (73.86 km/h) |
| 55 mph (88.51 km/h) | 50.49 mph (81.25 km/h) |
| 60 mph (96.56 km/h) | 55.08 mph (88.64 km/h) |
| 65 mph (104.61 km/h) | 59.67 mph (96.02 km/h) |
| 70 mph (112.65 km/h) | 64.26 mph (103.41 km/h) |
| 75 mph (120.7 km/h) | 68.85 mph (110.8 km/h) |
| 80 mph (128.75 km/h) | 73.44 mph (118.18 km/h) |
| 85 mph (136.79 km/h) | 78.03 mph (125.57 km/h) |
| 90 mph (144.84 km/h) | 82.61 mph (132.96 km/h) |
| 95 mph (152.89 km/h) | 87.2 mph (140.34 km/h) |
| 100 mph (160.93 km/h) | 91.79 mph (147.73 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
