Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/60-15 | 205/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.5 (597) | 23.07 (586) | -0.43 (-11) -1.8% |
| Width inches (mm) | 7.09 (180) | 8.07 (205) | 0.98 (25) 13.9% |
| Circum. inches (mm) | 73.84 (1875.53) | 72.48 (1840.97) | -1.36 (-34.56) -1.8% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.04 (102.5) | -0.22 (-5.5) -5.1% |
| Revolutions per mile (km) | 858.07 (533.18) | 874.18 (543.19) | 16.11 (10.01) 1.9% |
205/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.63 mph (31.59 km/h) |
| 25 mph (40.23 km/h) | 24.54 mph (39.49 km/h) |
| 30 mph (48.28 km/h) | 29.45 mph (47.39 km/h) |
| 35 mph (56.33 km/h) | 34.36 mph (55.29 km/h) |
| 40 mph (64.37 km/h) | 39.26 mph (63.19 km/h) |
| 45 mph (72.42 km/h) | 44.17 mph (71.09 km/h) |
| 50 mph (80.47 km/h) | 49.08 mph (78.98 km/h) |
| 55 mph (88.51 km/h) | 53.99 mph (86.88 km/h) |
| 60 mph (96.56 km/h) | 58.89 mph (94.78 km/h) |
| 65 mph (104.61 km/h) | 63.8 mph (102.68 km/h) |
| 70 mph (112.65 km/h) | 68.71 mph (110.58 km/h) |
| 75 mph (120.7 km/h) | 73.62 mph (118.48 km/h) |
| 80 mph (128.75 km/h) | 78.53 mph (126.38 km/h) |
| 85 mph (136.79 km/h) | 83.43 mph (134.27 km/h) |
| 90 mph (144.84 km/h) | 88.34 mph (142.17 km/h) |
| 95 mph (152.89 km/h) | 93.25 mph (150.07 km/h) |
| 100 mph (160.93 km/h) | 98.16 mph (157.97 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
