Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/55-16 | 205/40-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.88 (631.9) | 22.46 (570.4) | -2.42 (-61.5) -9.7% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 78.16 (1985.17) | 70.55 (1791.96) | -7.61 (-193.21) -9.7% |
| Sidewall Height inches (mm) | 4.44 (112.75) | 3.23 (82) | -1.21 (-30.75) -27.3% |
| Revolutions per mile (km) | 810.68 (503.73) | 898.09 (558.05) | 87.41 (54.31) 10.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.05 mph (29.05 km/h) |
| 25 mph (40.23 km/h) | 22.57 mph (36.32 km/h) |
| 30 mph (48.28 km/h) | 27.08 mph (43.58 km/h) |
| 35 mph (56.33 km/h) | 31.59 mph (50.85 km/h) |
| 40 mph (64.37 km/h) | 36.11 mph (58.11 km/h) |
| 45 mph (72.42 km/h) | 40.62 mph (65.37 km/h) |
| 50 mph (80.47 km/h) | 45.13 mph (72.64 km/h) |
| 55 mph (88.51 km/h) | 49.65 mph (79.9 km/h) |
| 60 mph (96.56 km/h) | 54.16 mph (87.16 km/h) |
| 65 mph (104.61 km/h) | 58.67 mph (94.43 km/h) |
| 70 mph (112.65 km/h) | 63.19 mph (101.69 km/h) |
| 75 mph (120.7 km/h) | 67.7 mph (108.95 km/h) |
| 80 mph (128.75 km/h) | 72.21 mph (116.22 km/h) |
| 85 mph (136.79 km/h) | 76.73 mph (123.48 km/h) |
| 90 mph (144.84 km/h) | 81.24 mph (130.74 km/h) |
| 95 mph (152.89 km/h) | 85.75 mph (138.01 km/h) |
| 100 mph (160.93 km/h) | 90.27 mph (145.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2285 | 2655 | 2859 | 2986 | 3122 | 3219 | 3326 | 3453 | 3628 | 3803 | 3997 | 4153 | 4435 | 4746 | 4989 | 5145 | 5232 | 5553 | 6001 | 6973 |
Better Fuel Economy Factory Ratios Increased Power
