Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/70-17 | 180/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.82 (655.8) | 24.8 (629.8) | -1.02 (-26) -4% |
| Width inches (mm) | 6.3 (160) | 7.09 (180) | 0.79 (20) 12.5% |
| Circum. inches (mm) | 81.11 (2060.26) | 77.9 (1978.58) | -3.22 (-81.68) -4% |
| Sidewall Height inches (mm) | 4.41 (112) | 3.9 (99) | -0.51 (-13) -11.6% |
| Revolutions per mile (km) | 781.14 (485.38) | 813.39 (505.41) | 32.25 (20.04) 4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.21 mph (30.91 km/h) |
| 25 mph (40.23 km/h) | 24.01 mph (38.64 km/h) |
| 30 mph (48.28 km/h) | 28.81 mph (46.37 km/h) |
| 35 mph (56.33 km/h) | 33.61 mph (54.09 km/h) |
| 40 mph (64.37 km/h) | 38.41 mph (61.82 km/h) |
| 45 mph (72.42 km/h) | 43.22 mph (69.55 km/h) |
| 50 mph (80.47 km/h) | 48.02 mph (77.28 km/h) |
| 55 mph (88.51 km/h) | 52.82 mph (85 km/h) |
| 60 mph (96.56 km/h) | 57.62 mph (92.73 km/h) |
| 65 mph (104.61 km/h) | 62.42 mph (100.46 km/h) |
| 70 mph (112.65 km/h) | 67.22 mph (108.19 km/h) |
| 75 mph (120.7 km/h) | 72.03 mph (115.92 km/h) |
| 80 mph (128.75 km/h) | 76.83 mph (123.64 km/h) |
| 85 mph (136.79 km/h) | 81.63 mph (131.37 km/h) |
| 90 mph (144.84 km/h) | 86.43 mph (139.1 km/h) |
| 95 mph (152.89 km/h) | 91.23 mph (146.83 km/h) |
| 100 mph (160.93 km/h) | 96.04 mph (154.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2070 | 2405 | 2590 | 2704 | 2827 | 2915 | 3012 | 3127 | 3285 | 3444 | 3620 | 3761 | 4017 | 4298 | 4519 | 4660 | 4739 | 5029 | 5435 | 6315 |
Better Fuel Economy Factory Ratios Increased Power
