Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/50-16 | 325/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.45 (646.4) | 27.52 (698.9) | 2.07 (52.5) 8.1% |
| Width inches (mm) | 9.45 (240) | 12.8 (325) | 3.35 (85) 35.4% |
| Circum. inches (mm) | 79.95 (2030.73) | 86.44 (2195.66) | 6.49 (164.93) 8.1% |
| Sidewall Height inches (mm) | 4.72 (120) | 5.76 (146.25) | 1.03 (26.25) 21.9% |
| Revolutions per mile (km) | 792.5 (492.43) | 732.97 (455.44) | -59.53 (-36.99) -7.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.62 mph (34.8 km/h) |
| 25 mph (40.23 km/h) | 27.03 mph (43.5 km/h) |
| 30 mph (48.28 km/h) | 32.44 mph (52.2 km/h) |
| 35 mph (56.33 km/h) | 37.84 mph (60.9 km/h) |
| 40 mph (64.37 km/h) | 43.25 mph (69.6 km/h) |
| 45 mph (72.42 km/h) | 48.65 mph (78.3 km/h) |
| 50 mph (80.47 km/h) | 54.06 mph (87 km/h) |
| 55 mph (88.51 km/h) | 59.47 mph (95.7 km/h) |
| 60 mph (96.56 km/h) | 64.87 mph (104.4 km/h) |
| 65 mph (104.61 km/h) | 70.28 mph (113.1 km/h) |
| 70 mph (112.65 km/h) | 75.69 mph (121.8 km/h) |
| 75 mph (120.7 km/h) | 81.09 mph (130.5 km/h) |
| 80 mph (128.75 km/h) | 86.5 mph (139.2 km/h) |
| 85 mph (136.79 km/h) | 91.9 mph (147.9 km/h) |
| 90 mph (144.84 km/h) | 97.31 mph (156.61 km/h) |
| 95 mph (152.89 km/h) | 102.72 mph (165.31 km/h) |
| 100 mph (160.93 km/h) | 108.12 mph (174.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1865 | 2167 | 2334 | 2437 | 2548 | 2627 | 2715 | 2818 | 2961 | 3103 | 3262 | 3389 | 3619 | 3873 | 4072 | 4199 | 4270 | 4532 | 4897 | 5691 |
Better Fuel Economy Factory Ratios Increased Power
