Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/70-22.5 | 275/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 39.31 (998.5) | 37.66 (956.5) | -1.65 (-42) -4.2% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 123.5 (3136.88) | 118.3 (3004.93) | -5.19 (-131.95) -4.2% |
| Sidewall Height inches (mm) | 8.41 (213.5) | 7.58 (192.5) | -0.83 (-21) -9.8% |
| Revolutions per mile (km) | 513.04 (318.79) | 535.57 (332.79) | 22.53 (14) 4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.16 mph (30.83 km/h) |
| 25 mph (40.23 km/h) | 23.95 mph (38.54 km/h) |
| 30 mph (48.28 km/h) | 28.74 mph (46.25 km/h) |
| 35 mph (56.33 km/h) | 33.53 mph (53.96 km/h) |
| 40 mph (64.37 km/h) | 38.32 mph (61.67 km/h) |
| 45 mph (72.42 km/h) | 43.11 mph (69.37 km/h) |
| 50 mph (80.47 km/h) | 47.9 mph (77.08 km/h) |
| 55 mph (88.51 km/h) | 52.69 mph (84.79 km/h) |
| 60 mph (96.56 km/h) | 57.48 mph (92.5 km/h) |
| 65 mph (104.61 km/h) | 62.27 mph (100.21 km/h) |
| 70 mph (112.65 km/h) | 67.06 mph (107.92 km/h) |
| 75 mph (120.7 km/h) | 71.85 mph (115.62 km/h) |
| 80 mph (128.75 km/h) | 76.63 mph (123.33 km/h) |
| 85 mph (136.79 km/h) | 81.42 mph (131.04 km/h) |
| 90 mph (144.84 km/h) | 86.21 mph (138.75 km/h) |
| 95 mph (152.89 km/h) | 91 mph (146.46 km/h) |
| 100 mph (160.93 km/h) | 95.79 mph (154.17 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
