Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/65-10 | 205/40-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.49 (520.5) | 20.46 (519.6) | -0.04 (-0.9) -0.2% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 64.38 (1635.2) | 64.27 (1632.37) | -0.11 (-2.83) -0.2% |
| Sidewall Height inches (mm) | 5.25 (133.25) | 3.23 (82) | -2.02 (-51.25) -38.5% |
| Revolutions per mile (km) | 984.19 (611.55) | 985.89 (612.6) | 1.7 (1.06) 0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.97 mph (32.13 km/h) |
| 25 mph (40.23 km/h) | 24.96 mph (40.16 km/h) |
| 30 mph (48.28 km/h) | 29.95 mph (48.2 km/h) |
| 35 mph (56.33 km/h) | 34.94 mph (56.23 km/h) |
| 40 mph (64.37 km/h) | 39.93 mph (64.26 km/h) |
| 45 mph (72.42 km/h) | 44.92 mph (72.3 km/h) |
| 50 mph (80.47 km/h) | 49.91 mph (80.33 km/h) |
| 55 mph (88.51 km/h) | 54.9 mph (88.36 km/h) |
| 60 mph (96.56 km/h) | 59.9 mph (96.39 km/h) |
| 65 mph (104.61 km/h) | 64.89 mph (104.43 km/h) |
| 70 mph (112.65 km/h) | 69.88 mph (112.46 km/h) |
| 75 mph (120.7 km/h) | 74.87 mph (120.49 km/h) |
| 80 mph (128.75 km/h) | 79.86 mph (128.53 km/h) |
| 85 mph (136.79 km/h) | 84.85 mph (136.56 km/h) |
| 90 mph (144.84 km/h) | 89.84 mph (144.59 km/h) |
| 95 mph (152.89 km/h) | 94.84 mph (152.62 km/h) |
| 100 mph (160.93 km/h) | 99.83 mph (160.66 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
