Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/55-17 | 200/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.8 (629.8) | 25.66 (651.8) | 0.87 (22) 3.5% |
| Width inches (mm) | 7.09 (180) | 7.87 (200) | 0.79 (20) 11.1% |
| Circum. inches (mm) | 77.9 (1978.58) | 80.62 (2047.69) | 2.72 (69.12) 3.5% |
| Sidewall Height inches (mm) | 3.9 (99) | 4.33 (110) | 0.43 (11) 11.1% |
| Revolutions per mile (km) | 813.39 (505.41) | 785.93 (488.35) | -27.45 (-17.06) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.7 mph (33.31 km/h) |
| 25 mph (40.23 km/h) | 25.87 mph (41.64 km/h) |
| 30 mph (48.28 km/h) | 31.05 mph (49.97 km/h) |
| 35 mph (56.33 km/h) | 36.22 mph (58.29 km/h) |
| 40 mph (64.37 km/h) | 41.4 mph (66.62 km/h) |
| 45 mph (72.42 km/h) | 46.57 mph (74.95 km/h) |
| 50 mph (80.47 km/h) | 51.75 mph (83.28 km/h) |
| 55 mph (88.51 km/h) | 56.92 mph (91.61 km/h) |
| 60 mph (96.56 km/h) | 62.1 mph (99.93 km/h) |
| 65 mph (104.61 km/h) | 67.27 mph (108.26 km/h) |
| 70 mph (112.65 km/h) | 72.45 mph (116.59 km/h) |
| 75 mph (120.7 km/h) | 77.62 mph (124.92 km/h) |
| 80 mph (128.75 km/h) | 82.79 mph (133.25 km/h) |
| 85 mph (136.79 km/h) | 87.97 mph (141.57 km/h) |
| 90 mph (144.84 km/h) | 93.14 mph (149.9 km/h) |
| 95 mph (152.89 km/h) | 98.32 mph (158.23 km/h) |
| 100 mph (160.93 km/h) | 103.49 mph (166.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | 2323 | 2502 | 2613 | 2732 | 2817 | 2911 | 3021 | 3175 | 3328 | 3498 | 3634 | 3881 | 4153 | 4366 | 4502 | 4579 | 4860 | 5251 | 6102 |
Better Fuel Economy Factory Ratios Increased Power
