Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/55-17 | 180/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.66 (651.8) | 24.8 (629.8) | -0.87 (-22) -3.4% |
| Width inches (mm) | 7.87 (200) | 7.09 (180) | -0.79 (-20) -10% |
| Circum. inches (mm) | 80.62 (2047.69) | 77.9 (1978.58) | -2.72 (-69.12) -3.4% |
| Sidewall Height inches (mm) | 4.33 (110) | 3.9 (99) | -0.43 (-11) -10% |
| Revolutions per mile (km) | 785.93 (488.35) | 813.39 (505.41) | 27.45 (17.06) 3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.32 mph (31.1 km/h) |
| 25 mph (40.23 km/h) | 24.16 mph (38.88 km/h) |
| 30 mph (48.28 km/h) | 28.99 mph (46.65 km/h) |
| 35 mph (56.33 km/h) | 33.82 mph (54.43 km/h) |
| 40 mph (64.37 km/h) | 38.65 mph (62.2 km/h) |
| 45 mph (72.42 km/h) | 43.48 mph (69.98 km/h) |
| 50 mph (80.47 km/h) | 48.31 mph (77.75 km/h) |
| 55 mph (88.51 km/h) | 53.14 mph (85.53 km/h) |
| 60 mph (96.56 km/h) | 57.97 mph (93.3 km/h) |
| 65 mph (104.61 km/h) | 62.81 mph (101.08 km/h) |
| 70 mph (112.65 km/h) | 67.64 mph (108.85 km/h) |
| 75 mph (120.7 km/h) | 72.47 mph (116.63 km/h) |
| 80 mph (128.75 km/h) | 77.3 mph (124.4 km/h) |
| 85 mph (136.79 km/h) | 82.13 mph (132.18 km/h) |
| 90 mph (144.84 km/h) | 86.96 mph (139.95 km/h) |
| 95 mph (152.89 km/h) | 91.79 mph (147.73 km/h) |
| 100 mph (160.93 km/h) | 96.62 mph (155.5 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
