Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/70-22.5 | 275/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 39.31 (998.5) | 39.82 (1011.5) | 0.51 (13) 1.3% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 123.5 (3136.88) | 125.11 (3177.72) | 1.61 (40.84) 1.3% |
| Sidewall Height inches (mm) | 8.41 (213.5) | 8.66 (220) | 0.26 (6.5) 3% |
| Revolutions per mile (km) | 513.04 (318.79) | 506.45 (314.69) | -6.59 (-4.1) -1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.26 mph (32.61 km/h) |
| 25 mph (40.23 km/h) | 25.33 mph (40.76 km/h) |
| 30 mph (48.28 km/h) | 30.39 mph (48.91 km/h) |
| 35 mph (56.33 km/h) | 35.46 mph (57.06 km/h) |
| 40 mph (64.37 km/h) | 40.52 mph (65.21 km/h) |
| 45 mph (72.42 km/h) | 45.59 mph (73.36 km/h) |
| 50 mph (80.47 km/h) | 50.65 mph (81.52 km/h) |
| 55 mph (88.51 km/h) | 55.72 mph (89.67 km/h) |
| 60 mph (96.56 km/h) | 60.78 mph (97.82 km/h) |
| 65 mph (104.61 km/h) | 65.85 mph (105.97 km/h) |
| 70 mph (112.65 km/h) | 70.91 mph (114.12 km/h) |
| 75 mph (120.7 km/h) | 75.98 mph (122.27 km/h) |
| 80 mph (128.75 km/h) | 81.04 mph (130.42 km/h) |
| 85 mph (136.79 km/h) | 86.11 mph (138.58 km/h) |
| 90 mph (144.84 km/h) | 91.17 mph (146.73 km/h) |
| 95 mph (152.89 km/h) | 96.24 mph (154.88 km/h) |
| 100 mph (160.93 km/h) | 101.3 mph (163.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1289 | 1497 | 1612 | 1684 | 1760 | 1815 | 1876 | 1947 | 2046 | 2144 | 2254 | 2342 | 2501 | 2676 | 2813 | 2901 | 2951 | 3132 | 3384 | 3932 |
Better Fuel Economy Factory Ratios Increased Power
