Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-10 | 205/40-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 17.09 (434) | 16.46 (418) | -0.63 (-16) -3.7% |
| Width inches (mm) | 8.86 (225) | 8.07 (205) | -0.79 (-20) -8.9% |
| Circum. inches (mm) | 53.68 (1363.45) | 51.7 (1313.19) | -1.98 (-50.27) -3.7% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.23 (82) | -0.31 (-8) -8.9% |
| Revolutions per mile (km) | 1180.35 (733.43) | 1225.53 (761.51) | 45.18 (28.07) 3.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.26 mph (31 km/h) |
| 25 mph (40.23 km/h) | 24.08 mph (38.75 km/h) |
| 30 mph (48.28 km/h) | 28.89 mph (46.5 km/h) |
| 35 mph (56.33 km/h) | 33.71 mph (54.25 km/h) |
| 40 mph (64.37 km/h) | 38.53 mph (62 km/h) |
| 45 mph (72.42 km/h) | 43.34 mph (69.75 km/h) |
| 50 mph (80.47 km/h) | 48.16 mph (77.5 km/h) |
| 55 mph (88.51 km/h) | 52.97 mph (85.25 km/h) |
| 60 mph (96.56 km/h) | 57.79 mph (93 km/h) |
| 65 mph (104.61 km/h) | 62.6 mph (100.75 km/h) |
| 70 mph (112.65 km/h) | 67.42 mph (108.5 km/h) |
| 75 mph (120.7 km/h) | 72.24 mph (116.25 km/h) |
| 80 mph (128.75 km/h) | 77.05 mph (124 km/h) |
| 85 mph (136.79 km/h) | 81.87 mph (131.75 km/h) |
| 90 mph (144.84 km/h) | 86.68 mph (139.5 km/h) |
| 95 mph (152.89 km/h) | 91.5 mph (147.25 km/h) |
| 100 mph (160.93 km/h) | 96.31 mph (155 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
