Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/40-10 | 255/50-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.03 (458) | 20.04 (509) | 2.01 (51) 11.1% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 56.65 (1438.85) | 62.96 (1599.07) | 6.31 (160.22) 11.1% |
| Sidewall Height inches (mm) | 4.02 (102) | 5.02 (127.5) | 1 (25.5) 25% |
| Revolutions per mile (km) | 1118.49 (695) | 1006.42 (625.36) | -112.07 (-69.64) -10% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.23 mph (35.77 km/h) |
| 25 mph (40.23 km/h) | 27.78 mph (44.71 km/h) |
| 30 mph (48.28 km/h) | 33.34 mph (53.66 km/h) |
| 35 mph (56.33 km/h) | 38.9 mph (62.6 km/h) |
| 40 mph (64.37 km/h) | 44.45 mph (71.54 km/h) |
| 45 mph (72.42 km/h) | 50.01 mph (80.48 km/h) |
| 50 mph (80.47 km/h) | 55.57 mph (89.43 km/h) |
| 55 mph (88.51 km/h) | 61.12 mph (98.37 km/h) |
| 60 mph (96.56 km/h) | 66.68 mph (107.31 km/h) |
| 65 mph (104.61 km/h) | 72.24 mph (116.26 km/h) |
| 70 mph (112.65 km/h) | 77.79 mph (125.2 km/h) |
| 75 mph (120.7 km/h) | 83.35 mph (134.14 km/h) |
| 80 mph (128.75 km/h) | 88.91 mph (143.08 km/h) |
| 85 mph (136.79 km/h) | 94.47 mph (152.03 km/h) |
| 90 mph (144.84 km/h) | 100.02 mph (160.97 km/h) |
| 95 mph (152.89 km/h) | 105.58 mph (169.91 km/h) |
| 100 mph (160.93 km/h) | 111.14 mph (178.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
