Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/60-17 | 180/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.98 (659.8) | 25.5 (647.8) | -0.47 (-12) -1.8% |
| Width inches (mm) | 7.48 (190) | 7.09 (180) | -0.39 (-10) -5.3% |
| Circum. inches (mm) | 81.61 (2072.82) | 80.12 (2035.12) | -1.48 (-37.7) -1.8% |
| Sidewall Height inches (mm) | 4.49 (114) | 4.25 (108) | -0.24 (-6) -5.3% |
| Revolutions per mile (km) | 776.4 (482.43) | 790.78 (491.37) | 14.38 (8.94) 1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.64 mph (31.6 km/h) |
| 25 mph (40.23 km/h) | 24.55 mph (39.5 km/h) |
| 30 mph (48.28 km/h) | 29.45 mph (47.4 km/h) |
| 35 mph (56.33 km/h) | 34.36 mph (55.3 km/h) |
| 40 mph (64.37 km/h) | 39.27 mph (63.2 km/h) |
| 45 mph (72.42 km/h) | 44.18 mph (71.1 km/h) |
| 50 mph (80.47 km/h) | 49.09 mph (79 km/h) |
| 55 mph (88.51 km/h) | 54 mph (86.9 km/h) |
| 60 mph (96.56 km/h) | 58.91 mph (94.8 km/h) |
| 65 mph (104.61 km/h) | 63.82 mph (102.71 km/h) |
| 70 mph (112.65 km/h) | 68.73 mph (110.61 km/h) |
| 75 mph (120.7 km/h) | 73.64 mph (118.51 km/h) |
| 80 mph (128.75 km/h) | 78.55 mph (126.41 km/h) |
| 85 mph (136.79 km/h) | 83.45 mph (134.31 km/h) |
| 90 mph (144.84 km/h) | 88.36 mph (142.21 km/h) |
| 95 mph (152.89 km/h) | 93.27 mph (150.11 km/h) |
| 100 mph (160.93 km/h) | 98.18 mph (158.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 2338 | 2518 | 2629 | 2749 | 2834 | 2929 | 3040 | 3194 | 3348 | 3520 | 3657 | 3905 | 4179 | 4393 | 4530 | 4607 | 4890 | 5284 | 6140 |
Better Fuel Economy Factory Ratios Increased Power
