Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/80-22.5 | 275/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 38.56 (979.5) | 37.66 (956.5) | -0.91 (-23) -2.3% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 121.15 (3077.19) | 118.3 (3004.93) | -2.84 (-72.26) -2.3% |
| Sidewall Height inches (mm) | 8.03 (204) | 7.58 (192.5) | -0.45 (-11.5) -5.6% |
| Revolutions per mile (km) | 522.99 (324.97) | 535.57 (332.79) | 12.58 (7.81) 2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.53 mph (31.43 km/h) |
| 25 mph (40.23 km/h) | 24.41 mph (39.29 km/h) |
| 30 mph (48.28 km/h) | 29.3 mph (47.15 km/h) |
| 35 mph (56.33 km/h) | 34.18 mph (55 km/h) |
| 40 mph (64.37 km/h) | 39.06 mph (62.86 km/h) |
| 45 mph (72.42 km/h) | 43.94 mph (70.72 km/h) |
| 50 mph (80.47 km/h) | 48.83 mph (78.58 km/h) |
| 55 mph (88.51 km/h) | 53.71 mph (86.44 km/h) |
| 60 mph (96.56 km/h) | 58.59 mph (94.29 km/h) |
| 65 mph (104.61 km/h) | 63.47 mph (102.15 km/h) |
| 70 mph (112.65 km/h) | 68.36 mph (110.01 km/h) |
| 75 mph (120.7 km/h) | 73.24 mph (117.87 km/h) |
| 80 mph (128.75 km/h) | 78.12 mph (125.72 km/h) |
| 85 mph (136.79 km/h) | 83 mph (133.58 km/h) |
| 90 mph (144.84 km/h) | 87.89 mph (141.44 km/h) |
| 95 mph (152.89 km/h) | 92.77 mph (149.3 km/h) |
| 100 mph (160.93 km/h) | 97.65 mph (157.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1363 | 1583 | 1705 | 1780 | 1862 | 1920 | 1983 | 2059 | 2163 | 2268 | 2384 | 2476 | 2645 | 2830 | 2975 | 3068 | 3120 | 3312 | 3578 | 4158 |
Better Fuel Economy Factory Ratios Increased Power
