Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-17 | 265/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.8 (807.8) | 39.19 (995.5) | 7.39 (187.7) 23.2% |
| Width inches (mm) | 9.25 (235) | 10.43 (265) | 1.18 (30) 12.8% |
| Circum. inches (mm) | 99.91 (2537.78) | 123.13 (3127.46) | 23.22 (589.68) 23.2% |
| Sidewall Height inches (mm) | 7.4 (188) | 8.35 (212) | 0.94 (24) 12.8% |
| Revolutions per mile (km) | 634.15 (394.04) | 514.59 (319.75) | -119.57 (-74.3) -18.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.65 mph (39.67 km/h) |
| 25 mph (40.23 km/h) | 30.81 mph (49.58 km/h) |
| 30 mph (48.28 km/h) | 36.97 mph (59.5 km/h) |
| 35 mph (56.33 km/h) | 43.13 mph (69.42 km/h) |
| 40 mph (64.37 km/h) | 49.29 mph (79.33 km/h) |
| 45 mph (72.42 km/h) | 55.46 mph (89.25 km/h) |
| 50 mph (80.47 km/h) | 61.62 mph (99.16 km/h) |
| 55 mph (88.51 km/h) | 67.78 mph (109.08 km/h) |
| 60 mph (96.56 km/h) | 73.94 mph (119 km/h) |
| 65 mph (104.61 km/h) | 80.1 mph (128.91 km/h) |
| 70 mph (112.65 km/h) | 86.27 mph (138.83 km/h) |
| 75 mph (120.7 km/h) | 92.43 mph (148.75 km/h) |
| 80 mph (128.75 km/h) | 98.59 mph (158.66 km/h) |
| 85 mph (136.79 km/h) | 104.75 mph (168.58 km/h) |
| 90 mph (144.84 km/h) | 110.91 mph (178.5 km/h) |
| 95 mph (152.89 km/h) | 117.07 mph (188.41 km/h) |
| 100 mph (160.93 km/h) | 123.24 mph (198.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1310 | 1521 | 1638 | 1711 | 1789 | 1844 | 1906 | 1978 | 2079 | 2179 | 2290 | 2379 | 2541 | 2719 | 2859 | 2948 | 2998 | 3182 | 3438 | 3995 |
Better Fuel Economy Factory Ratios Increased Power
