Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 225/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 27.29 (693.1) | 1.99 (50.5) 7.9% |
| Width inches (mm) | 6.89 (175) | 8.86 (225) | 1.97 (50) 28.6% |
| Circum. inches (mm) | 79.48 (2018.79) | 85.73 (2177.44) | 6.25 (158.65) 7.9% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 6.64 (168.75) | 0.99 (25.25) 17.6% |
| Revolutions per mile (km) | 797.18 (495.35) | 739.1 (459.25) | -58.08 (-36.09) -7.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.57 mph (34.72 km/h) |
| 25 mph (40.23 km/h) | 26.96 mph (43.4 km/h) |
| 30 mph (48.28 km/h) | 32.36 mph (52.07 km/h) |
| 35 mph (56.33 km/h) | 37.75 mph (60.75 km/h) |
| 40 mph (64.37 km/h) | 43.14 mph (69.43 km/h) |
| 45 mph (72.42 km/h) | 48.54 mph (78.11 km/h) |
| 50 mph (80.47 km/h) | 53.93 mph (86.79 km/h) |
| 55 mph (88.51 km/h) | 59.32 mph (95.47 km/h) |
| 60 mph (96.56 km/h) | 64.72 mph (104.15 km/h) |
| 65 mph (104.61 km/h) | 70.11 mph (112.83 km/h) |
| 70 mph (112.65 km/h) | 75.5 mph (121.51 km/h) |
| 75 mph (120.7 km/h) | 80.89 mph (130.19 km/h) |
| 80 mph (128.75 km/h) | 86.29 mph (138.87 km/h) |
| 85 mph (136.79 km/h) | 91.68 mph (147.54 km/h) |
| 90 mph (144.84 km/h) | 97.07 mph (156.22 km/h) |
| 95 mph (152.89 km/h) | 102.47 mph (164.9 km/h) |
| 100 mph (160.93 km/h) | 107.86 mph (173.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1881 | 2185 | 2353 | 2457 | 2569 | 2649 | 2737 | 2841 | 2985 | 3129 | 3290 | 3418 | 3650 | 3906 | 4106 | 4234 | 4306 | 4570 | 4938 | 5739 |
Better Fuel Economy Factory Ratios Increased Power
