Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-15 | 24/8.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.04 (610.5) | 24.01 (609.96) | -0.02 (-0.54) -0.1% |
| Width inches (mm) | 10.04 (255) | 8.5 (216) | -1.54 (-39) -15.3% |
| Circum. inches (mm) | 75.51 (1917.94) | 75.44 (1916.25) | -0.07 (-1.7) -0.1% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 4.51 (114.48) | -0.01 (-0.27) -0.2% |
| Revolutions per mile (km) | 839.1 (521.39) | 839.84 (521.85) | 0.74 (0.46) 0.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.98 mph (32.16 km/h) |
| 25 mph (40.23 km/h) | 24.98 mph (40.2 km/h) |
| 30 mph (48.28 km/h) | 29.97 mph (48.24 km/h) |
| 35 mph (56.33 km/h) | 34.97 mph (56.28 km/h) |
| 40 mph (64.37 km/h) | 39.96 mph (64.32 km/h) |
| 45 mph (72.42 km/h) | 44.96 mph (72.36 km/h) |
| 50 mph (80.47 km/h) | 49.96 mph (80.4 km/h) |
| 55 mph (88.51 km/h) | 54.95 mph (88.44 km/h) |
| 60 mph (96.56 km/h) | 59.95 mph (96.48 km/h) |
| 65 mph (104.61 km/h) | 64.94 mph (104.52 km/h) |
| 70 mph (112.65 km/h) | 69.94 mph (112.55 km/h) |
| 75 mph (120.7 km/h) | 74.93 mph (120.59 km/h) |
| 80 mph (128.75 km/h) | 79.93 mph (128.63 km/h) |
| 85 mph (136.79 km/h) | 84.92 mph (136.67 km/h) |
| 90 mph (144.84 km/h) | 89.92 mph (144.71 km/h) |
| 95 mph (152.89 km/h) | 94.92 mph (152.75 km/h) |
| 100 mph (160.93 km/h) | 99.91 mph (160.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2137 | 2483 | 2674 | 2792 | 2919 | 3010 | 3110 | 3229 | 3392 | 3556 | 3738 | 3883 | 4147 | 4438 | 4666 | 4811 | 4893 | 5193 | 5611 | 6521 |
Better Fuel Economy Factory Ratios Increased Power
