Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-16 | 205/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.93 (683.9) | 28.91 (734.4) | 1.99 (50.5) 7.4% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 84.59 (2148.54) | 90.83 (2307.19) | 6.25 (158.65) 7.4% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 6.46 (164) | 0.99 (25.25) 18.2% |
| Revolutions per mile (km) | 749.04 (465.43) | 697.54 (433.43) | -51.51 (-32) -6.9% |
205/80-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.48 mph (34.56 km/h) |
| 25 mph (40.23 km/h) | 26.85 mph (43.2 km/h) |
| 30 mph (48.28 km/h) | 32.22 mph (51.85 km/h) |
| 35 mph (56.33 km/h) | 37.58 mph (60.49 km/h) |
| 40 mph (64.37 km/h) | 42.95 mph (69.13 km/h) |
| 45 mph (72.42 km/h) | 48.32 mph (77.77 km/h) |
| 50 mph (80.47 km/h) | 53.69 mph (86.41 km/h) |
| 55 mph (88.51 km/h) | 59.06 mph (95.05 km/h) |
| 60 mph (96.56 km/h) | 64.43 mph (103.69 km/h) |
| 65 mph (104.61 km/h) | 69.8 mph (112.33 km/h) |
| 70 mph (112.65 km/h) | 75.17 mph (120.97 km/h) |
| 75 mph (120.7 km/h) | 80.54 mph (129.61 km/h) |
| 80 mph (128.75 km/h) | 85.91 mph (138.25 km/h) |
| 85 mph (136.79 km/h) | 91.28 mph (146.9 km/h) |
| 90 mph (144.84 km/h) | 96.65 mph (155.54 km/h) |
| 95 mph (152.89 km/h) | 102.01 mph (164.18 km/h) |
| 100 mph (160.93 km/h) | 107.38 mph (172.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1775 | 2062 | 2221 | 2319 | 2425 | 2500 | 2583 | 2682 | 2817 | 2953 | 3105 | 3225 | 3444 | 3686 | 3875 | 3996 | 4064 | 4313 | 4661 | 5416 |
Better Fuel Economy Factory Ratios Increased Power
