Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/55-18 | 180/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 25.21 (640.4) | -1.45 (-36.8) -5.4% |
| Width inches (mm) | 7.87 (200) | 7.09 (180) | -0.79 (-20) -10% |
| Circum. inches (mm) | 83.76 (2127.49) | 79.21 (2011.88) | -4.55 (-115.61) -5.4% |
| Sidewall Height inches (mm) | 4.33 (110) | 4.61 (117) | 0.28 (7) 6.4% |
| Revolutions per mile (km) | 756.45 (470.04) | 799.92 (497.05) | 43.47 (27.01) 5.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.91 mph (30.44 km/h) |
| 25 mph (40.23 km/h) | 23.64 mph (38.05 km/h) |
| 30 mph (48.28 km/h) | 28.37 mph (45.66 km/h) |
| 35 mph (56.33 km/h) | 33.1 mph (53.27 km/h) |
| 40 mph (64.37 km/h) | 37.83 mph (60.88 km/h) |
| 45 mph (72.42 km/h) | 42.55 mph (68.49 km/h) |
| 50 mph (80.47 km/h) | 47.28 mph (76.09 km/h) |
| 55 mph (88.51 km/h) | 52.01 mph (83.7 km/h) |
| 60 mph (96.56 km/h) | 56.74 mph (91.31 km/h) |
| 65 mph (104.61 km/h) | 61.47 mph (98.92 km/h) |
| 70 mph (112.65 km/h) | 66.2 mph (106.53 km/h) |
| 75 mph (120.7 km/h) | 70.92 mph (114.14 km/h) |
| 80 mph (128.75 km/h) | 75.65 mph (121.75 km/h) |
| 85 mph (136.79 km/h) | 80.38 mph (129.36 km/h) |
| 90 mph (144.84 km/h) | 85.11 mph (136.97 km/h) |
| 95 mph (152.89 km/h) | 89.84 mph (144.58 km/h) |
| 100 mph (160.93 km/h) | 94.57 mph (152.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2036 | 2365 | 2547 | 2659 | 2781 | 2867 | 2963 | 3075 | 3231 | 3387 | 3560 | 3699 | 3950 | 4227 | 4444 | 4582 | 4660 | 4946 | 5345 | 6211 |
Better Fuel Economy Factory Ratios Increased Power
