Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/60-18 | 170/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.09 (637.2) | 25.03 (635.8) | -0.06 (-1.4) -0.2% |
| Width inches (mm) | 5.91 (150) | 6.69 (170) | 0.79 (20) 13.3% |
| Circum. inches (mm) | 78.81 (2001.82) | 78.64 (1997.42) | -0.17 (-4.4) -0.2% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.02 (102) | 0.47 (12) 13.3% |
| Revolutions per mile (km) | 803.94 (499.54) | 805.71 (500.64) | 1.77 (1.1) 0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.96 mph (32.12 km/h) |
| 25 mph (40.23 km/h) | 24.95 mph (40.15 km/h) |
| 30 mph (48.28 km/h) | 29.93 mph (48.17 km/h) |
| 35 mph (56.33 km/h) | 34.92 mph (56.2 km/h) |
| 40 mph (64.37 km/h) | 39.91 mph (64.23 km/h) |
| 45 mph (72.42 km/h) | 44.9 mph (72.26 km/h) |
| 50 mph (80.47 km/h) | 49.89 mph (80.29 km/h) |
| 55 mph (88.51 km/h) | 54.88 mph (88.32 km/h) |
| 60 mph (96.56 km/h) | 59.87 mph (96.35 km/h) |
| 65 mph (104.61 km/h) | 64.86 mph (104.38 km/h) |
| 70 mph (112.65 km/h) | 69.85 mph (112.41 km/h) |
| 75 mph (120.7 km/h) | 74.84 mph (120.44 km/h) |
| 80 mph (128.75 km/h) | 79.82 mph (128.46 km/h) |
| 85 mph (136.79 km/h) | 84.81 mph (136.49 km/h) |
| 90 mph (144.84 km/h) | 89.8 mph (144.52 km/h) |
| 95 mph (152.89 km/h) | 94.79 mph (152.55 km/h) |
| 100 mph (160.93 km/h) | 99.78 mph (160.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2050 | 2382 | 2565 | 2679 | 2801 | 2888 | 2984 | 3097 | 3254 | 3411 | 3586 | 3726 | 3979 | 4258 | 4476 | 4616 | 4694 | 4982 | 5383 | 6256 |
Better Fuel Economy Factory Ratios Increased Power
