Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-10 | 255/40-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 17.09 (434) | 18.03 (458) | 0.94 (24) 5.5% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 53.68 (1363.45) | 56.65 (1438.85) | 2.97 (75.4) 5.5% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.02 (102) | 0.47 (12) 13.3% |
| Revolutions per mile (km) | 1180.35 (733.43) | 1118.49 (695) | -61.85 (-38.43) -5.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.11 mph (33.97 km/h) |
| 25 mph (40.23 km/h) | 26.38 mph (42.46 km/h) |
| 30 mph (48.28 km/h) | 31.66 mph (50.95 km/h) |
| 35 mph (56.33 km/h) | 36.94 mph (59.44 km/h) |
| 40 mph (64.37 km/h) | 42.21 mph (67.93 km/h) |
| 45 mph (72.42 km/h) | 47.49 mph (76.43 km/h) |
| 50 mph (80.47 km/h) | 52.76 mph (84.92 km/h) |
| 55 mph (88.51 km/h) | 58.04 mph (93.41 km/h) |
| 60 mph (96.56 km/h) | 63.32 mph (101.9 km/h) |
| 65 mph (104.61 km/h) | 68.59 mph (110.39 km/h) |
| 70 mph (112.65 km/h) | 73.87 mph (118.88 km/h) |
| 75 mph (120.7 km/h) | 79.15 mph (127.38 km/h) |
| 80 mph (128.75 km/h) | 84.42 mph (135.87 km/h) |
| 85 mph (136.79 km/h) | 89.7 mph (144.36 km/h) |
| 90 mph (144.84 km/h) | 94.98 mph (152.85 km/h) |
| 95 mph (152.89 km/h) | 100.25 mph (161.34 km/h) |
| 100 mph (160.93 km/h) | 105.53 mph (169.83 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
