Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/70-17 | 170/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.27 (641.8) | 23.69 (601.8) | -1.57 (-40) -6.2% |
| Width inches (mm) | 5.91 (150) | 6.69 (170) | 0.79 (20) 13.3% |
| Circum. inches (mm) | 79.38 (2016.27) | 74.43 (1890.61) | -4.95 (-125.66) -6.2% |
| Sidewall Height inches (mm) | 4.13 (105) | 3.35 (85) | -0.79 (-20) -19% |
| Revolutions per mile (km) | 798.18 (495.96) | 851.23 (528.93) | 53.05 (32.97) 6.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.75 mph (30.18 km/h) |
| 25 mph (40.23 km/h) | 23.44 mph (37.73 km/h) |
| 30 mph (48.28 km/h) | 28.13 mph (45.27 km/h) |
| 35 mph (56.33 km/h) | 32.82 mph (52.82 km/h) |
| 40 mph (64.37 km/h) | 37.51 mph (60.36 km/h) |
| 45 mph (72.42 km/h) | 42.2 mph (67.91 km/h) |
| 50 mph (80.47 km/h) | 46.88 mph (75.45 km/h) |
| 55 mph (88.51 km/h) | 51.57 mph (83 km/h) |
| 60 mph (96.56 km/h) | 56.26 mph (90.54 km/h) |
| 65 mph (104.61 km/h) | 60.95 mph (98.09 km/h) |
| 70 mph (112.65 km/h) | 65.64 mph (105.63 km/h) |
| 75 mph (120.7 km/h) | 70.33 mph (113.18 km/h) |
| 80 mph (128.75 km/h) | 75.01 mph (120.72 km/h) |
| 85 mph (136.79 km/h) | 79.7 mph (128.27 km/h) |
| 90 mph (144.84 km/h) | 84.39 mph (135.81 km/h) |
| 95 mph (152.89 km/h) | 89.08 mph (143.36 km/h) |
| 100 mph (160.93 km/h) | 93.77 mph (150.9 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
