Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/60-15 | 180/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.56 (573) | 24.8 (629.8) | 2.24 (56.8) 9.9% |
| Width inches (mm) | 6.3 (160) | 7.09 (180) | 0.79 (20) 12.5% |
| Circum. inches (mm) | 70.87 (1800.13) | 77.9 (1978.58) | 7.03 (178.44) 9.9% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.9 (99) | 0.12 (3) 3.1% |
| Revolutions per mile (km) | 894.01 (555.51) | 813.39 (505.41) | -80.63 (-50.1) -9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.98 mph (35.38 km/h) |
| 25 mph (40.23 km/h) | 27.48 mph (44.22 km/h) |
| 30 mph (48.28 km/h) | 32.97 mph (53.07 km/h) |
| 35 mph (56.33 km/h) | 38.47 mph (61.91 km/h) |
| 40 mph (64.37 km/h) | 43.97 mph (70.76 km/h) |
| 45 mph (72.42 km/h) | 49.46 mph (79.6 km/h) |
| 50 mph (80.47 km/h) | 54.96 mph (88.44 km/h) |
| 55 mph (88.51 km/h) | 60.45 mph (97.29 km/h) |
| 60 mph (96.56 km/h) | 65.95 mph (106.13 km/h) |
| 65 mph (104.61 km/h) | 71.44 mph (114.98 km/h) |
| 70 mph (112.65 km/h) | 76.94 mph (123.82 km/h) |
| 75 mph (120.7 km/h) | 82.43 mph (132.67 km/h) |
| 80 mph (128.75 km/h) | 87.93 mph (141.51 km/h) |
| 85 mph (136.79 km/h) | 93.43 mph (150.35 km/h) |
| 90 mph (144.84 km/h) | 98.92 mph (159.2 km/h) |
| 95 mph (152.89 km/h) | 104.42 mph (168.04 km/h) |
| 100 mph (160.93 km/h) | 109.91 mph (176.89 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
