Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-22.5 | 315/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.67 (931.5) | 39.86 (1012.5) | 3.19 (81) 8.7% |
| Width inches (mm) | 8.86 (225) | 12.4 (315) | 3.54 (90) 40% |
| Circum. inches (mm) | 115.21 (2926.39) | 125.23 (3180.86) | 10.02 (254.47) 8.7% |
| Sidewall Height inches (mm) | 7.09 (180) | 8.68 (220.5) | 1.59 (40.5) 22.5% |
| Revolutions per mile (km) | 549.94 (341.72) | 505.95 (314.38) | -44 (-27.34) -8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.74 mph (34.99 km/h) |
| 25 mph (40.23 km/h) | 27.17 mph (43.73 km/h) |
| 30 mph (48.28 km/h) | 32.61 mph (52.48 km/h) |
| 35 mph (56.33 km/h) | 38.04 mph (61.23 km/h) |
| 40 mph (64.37 km/h) | 43.48 mph (69.97 km/h) |
| 45 mph (72.42 km/h) | 48.91 mph (78.72 km/h) |
| 50 mph (80.47 km/h) | 54.35 mph (87.46 km/h) |
| 55 mph (88.51 km/h) | 59.78 mph (96.21 km/h) |
| 60 mph (96.56 km/h) | 65.22 mph (104.96 km/h) |
| 65 mph (104.61 km/h) | 70.65 mph (113.7 km/h) |
| 70 mph (112.65 km/h) | 76.09 mph (122.45 km/h) |
| 75 mph (120.7 km/h) | 81.52 mph (131.2 km/h) |
| 80 mph (128.75 km/h) | 86.96 mph (139.94 km/h) |
| 85 mph (136.79 km/h) | 92.39 mph (148.69 km/h) |
| 90 mph (144.84 km/h) | 97.83 mph (157.44 km/h) |
| 95 mph (152.89 km/h) | 103.26 mph (166.18 km/h) |
| 100 mph (160.93 km/h) | 108.7 mph (174.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1288 | 1496 | 1611 | 1682 | 1759 | 1814 | 1874 | 1945 | 2044 | 2142 | 2252 | 2339 | 2498 | 2674 | 2811 | 2898 | 2948 | 3128 | 3380 | 3928 |
Better Fuel Economy Factory Ratios Increased Power
