Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-15 | 205/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.04 (610.5) | 23.07 (586) | -0.96 (-24.5) -4% |
| Width inches (mm) | 10.04 (255) | 8.07 (205) | -1.97 (-50) -19.6% |
| Circum. inches (mm) | 75.51 (1917.94) | 72.48 (1840.97) | -3.03 (-76.97) -4% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 4.04 (102.5) | -0.48 (-12.25) -10.7% |
| Revolutions per mile (km) | 839.1 (521.39) | 874.18 (543.19) | 35.08 (21.8) 4.2% |
205/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.2 mph (30.9 km/h) |
| 25 mph (40.23 km/h) | 24 mph (38.62 km/h) |
| 30 mph (48.28 km/h) | 28.8 mph (46.34 km/h) |
| 35 mph (56.33 km/h) | 33.6 mph (54.07 km/h) |
| 40 mph (64.37 km/h) | 38.39 mph (61.79 km/h) |
| 45 mph (72.42 km/h) | 43.19 mph (69.51 km/h) |
| 50 mph (80.47 km/h) | 47.99 mph (77.24 km/h) |
| 55 mph (88.51 km/h) | 52.79 mph (84.96 km/h) |
| 60 mph (96.56 km/h) | 57.59 mph (92.69 km/h) |
| 65 mph (104.61 km/h) | 62.39 mph (100.41 km/h) |
| 70 mph (112.65 km/h) | 67.19 mph (108.13 km/h) |
| 75 mph (120.7 km/h) | 71.99 mph (115.86 km/h) |
| 80 mph (128.75 km/h) | 76.79 mph (123.58 km/h) |
| 85 mph (136.79 km/h) | 81.59 mph (131.3 km/h) |
| 90 mph (144.84 km/h) | 86.39 mph (139.03 km/h) |
| 95 mph (152.89 km/h) | 91.19 mph (146.75 km/h) |
| 100 mph (160.93 km/h) | 95.99 mph (154.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2225 | 2584 | 2783 | 2906 | 3039 | 3133 | 3238 | 3361 | 3531 | 3701 | 3891 | 4042 | 4317 | 4620 | 4856 | 5008 | 5093 | 5405 | 5841 | 6787 |
Better Fuel Economy Factory Ratios Increased Power
