Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/60-17 | 170/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.03 (635.8) | 23.69 (601.8) | -1.34 (-34) -5.3% |
| Width inches (mm) | 6.69 (170) | 6.69 (170) | 0 (0) 0% |
| Circum. inches (mm) | 78.64 (1997.42) | 74.43 (1890.61) | -4.21 (-106.81) -5.3% |
| Sidewall Height inches (mm) | 4.02 (102) | 3.35 (85) | -0.67 (-17) -16.7% |
| Revolutions per mile (km) | 805.71 (500.64) | 851.23 (528.93) | 45.52 (28.28) 5.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.93 mph (30.47 km/h) |
| 25 mph (40.23 km/h) | 23.66 mph (38.08 km/h) |
| 30 mph (48.28 km/h) | 28.4 mph (45.7 km/h) |
| 35 mph (56.33 km/h) | 33.13 mph (53.32 km/h) |
| 40 mph (64.37 km/h) | 37.86 mph (60.93 km/h) |
| 45 mph (72.42 km/h) | 42.59 mph (68.55 km/h) |
| 50 mph (80.47 km/h) | 47.33 mph (76.16 km/h) |
| 55 mph (88.51 km/h) | 52.06 mph (83.78 km/h) |
| 60 mph (96.56 km/h) | 56.79 mph (91.4 km/h) |
| 65 mph (104.61 km/h) | 61.52 mph (99.01 km/h) |
| 70 mph (112.65 km/h) | 66.26 mph (106.63 km/h) |
| 75 mph (120.7 km/h) | 70.99 mph (114.25 km/h) |
| 80 mph (128.75 km/h) | 75.72 mph (121.86 km/h) |
| 85 mph (136.79 km/h) | 80.45 mph (129.48 km/h) |
| 90 mph (144.84 km/h) | 85.19 mph (137.1 km/h) |
| 95 mph (152.89 km/h) | 89.92 mph (144.71 km/h) |
| 100 mph (160.93 km/h) | 94.65 mph (152.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2166 | 2516 | 2710 | 2830 | 2959 | 3051 | 3153 | 3272 | 3438 | 3604 | 3789 | 3936 | 4203 | 4498 | 4729 | 4876 | 4959 | 5263 | 5687 | 6609 |
Better Fuel Economy Factory Ratios Increased Power
