Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-13 | 205/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.93 (607.7) | 23.07 (586) | -0.85 (-21.7) -3.6% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 75.16 (1909.15) | 72.48 (1840.97) | -2.68 (-68.17) -3.6% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 4.04 (102.5) | -1.43 (-36.25) -26.1% |
| Revolutions per mile (km) | 842.97 (523.79) | 874.18 (543.19) | 31.22 (19.4) 3.7% |
205/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.29 mph (31.04 km/h) |
| 25 mph (40.23 km/h) | 24.11 mph (38.8 km/h) |
| 30 mph (48.28 km/h) | 28.93 mph (46.56 km/h) |
| 35 mph (56.33 km/h) | 33.75 mph (54.32 km/h) |
| 40 mph (64.37 km/h) | 38.57 mph (62.08 km/h) |
| 45 mph (72.42 km/h) | 43.39 mph (69.83 km/h) |
| 50 mph (80.47 km/h) | 48.21 mph (77.59 km/h) |
| 55 mph (88.51 km/h) | 53.04 mph (85.35 km/h) |
| 60 mph (96.56 km/h) | 57.86 mph (93.11 km/h) |
| 65 mph (104.61 km/h) | 62.68 mph (100.87 km/h) |
| 70 mph (112.65 km/h) | 67.5 mph (108.63 km/h) |
| 75 mph (120.7 km/h) | 72.32 mph (116.39 km/h) |
| 80 mph (128.75 km/h) | 77.14 mph (124.15 km/h) |
| 85 mph (136.79 km/h) | 81.96 mph (131.91 km/h) |
| 90 mph (144.84 km/h) | 86.79 mph (139.67 km/h) |
| 95 mph (152.89 km/h) | 91.61 mph (147.43 km/h) |
| 100 mph (160.93 km/h) | 96.43 mph (155.19 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
