Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 180/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 23.5 (597) | 0.28 (7) 1.2% |
| Width inches (mm) | 7.48 (190) | 7.09 (180) | -0.39 (-10) -5.3% |
| Circum. inches (mm) | 72.97 (1853.54) | 73.84 (1875.53) | 0.87 (21.99) 1.2% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 4.25 (108) | 0.14 (3.5) 3.3% |
| Revolutions per mile (km) | 868.25 (539.51) | 858.07 (533.18) | -10.18 (-6.33) -1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.24 mph (32.57 km/h) |
| 25 mph (40.23 km/h) | 25.3 mph (40.71 km/h) |
| 30 mph (48.28 km/h) | 30.36 mph (48.85 km/h) |
| 35 mph (56.33 km/h) | 35.42 mph (57 km/h) |
| 40 mph (64.37 km/h) | 40.47 mph (65.14 km/h) |
| 45 mph (72.42 km/h) | 45.53 mph (73.28 km/h) |
| 50 mph (80.47 km/h) | 50.59 mph (81.42 km/h) |
| 55 mph (88.51 km/h) | 55.65 mph (89.56 km/h) |
| 60 mph (96.56 km/h) | 60.71 mph (97.71 km/h) |
| 65 mph (104.61 km/h) | 65.77 mph (105.85 km/h) |
| 70 mph (112.65 km/h) | 70.83 mph (113.99 km/h) |
| 75 mph (120.7 km/h) | 75.89 mph (122.13 km/h) |
| 80 mph (128.75 km/h) | 80.95 mph (130.28 km/h) |
| 85 mph (136.79 km/h) | 86.01 mph (138.42 km/h) |
| 90 mph (144.84 km/h) | 91.07 mph (146.56 km/h) |
| 95 mph (152.89 km/h) | 96.13 mph (154.7 km/h) |
| 100 mph (160.93 km/h) | 101.19 mph (162.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2184 | 2537 | 2732 | 2853 | 2983 | 3076 | 3178 | 3299 | 3466 | 3633 | 3819 | 3968 | 4237 | 4535 | 4767 | 4915 | 4999 | 5306 | 5733 | 6662 |
Better Fuel Economy Factory Ratios Increased Power
