Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/50-16 | 320/70-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.45 (646.4) | 41.64 (1057.6) | 16.19 (411.2) 63.6% |
| Width inches (mm) | 9.45 (240) | 12.6 (320) | 3.15 (80) 33.3% |
| Circum. inches (mm) | 79.95 (2030.73) | 130.81 (3322.55) | 50.86 (1291.82) 63.6% |
| Sidewall Height inches (mm) | 4.72 (120) | 8.82 (224) | 4.09 (104) 86.7% |
| Revolutions per mile (km) | 792.5 (492.43) | 484.37 (300.97) | -308.13 (-191.46) -38.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 32.72 mph (52.66 km/h) |
| 25 mph (40.23 km/h) | 40.9 mph (65.83 km/h) |
| 30 mph (48.28 km/h) | 49.08 mph (78.99 km/h) |
| 35 mph (56.33 km/h) | 57.26 mph (92.16 km/h) |
| 40 mph (64.37 km/h) | 65.45 mph (105.32 km/h) |
| 45 mph (72.42 km/h) | 73.63 mph (118.49 km/h) |
| 50 mph (80.47 km/h) | 81.81 mph (131.66 km/h) |
| 55 mph (88.51 km/h) | 89.99 mph (144.82 km/h) |
| 60 mph (96.56 km/h) | 98.17 mph (157.99 km/h) |
| 65 mph (104.61 km/h) | 106.35 mph (171.15 km/h) |
| 70 mph (112.65 km/h) | 114.53 mph (184.32 km/h) |
| 75 mph (120.7 km/h) | 122.71 mph (197.48 km/h) |
| 80 mph (128.75 km/h) | 130.89 mph (210.65 km/h) |
| 85 mph (136.79 km/h) | 139.07 mph (223.81 km/h) |
| 90 mph (144.84 km/h) | 147.25 mph (236.98 km/h) |
| 95 mph (152.89 km/h) | 155.43 mph (250.15 km/h) |
| 100 mph (160.93 km/h) | 163.61 mph (263.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1233 | 1432 | 1542 | 1610 | 1684 | 1736 | 1794 | 1862 | 1956 | 2051 | 2156 | 2240 | 2392 | 2560 | 2691 | 2775 | 2822 | 2995 | 3236 | 3761 |
Better Fuel Economy Factory Ratios Increased Power
