Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-14 | 185/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.91 (683.6) | 25.65 (651.6) | -1.26 (-32) -4.7% |
| Width inches (mm) | 8.07 (205) | 7.28 (185) | -0.79 (-20) -9.8% |
| Circum. inches (mm) | 84.55 (2147.59) | 80.59 (2047.06) | -3.96 (-100.53) -4.7% |
| Sidewall Height inches (mm) | 6.46 (164) | 5.83 (148) | -0.63 (-16) -9.8% |
| Revolutions per mile (km) | 749.37 (465.64) | 786.17 (488.5) | 36.8 (22.87) 4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.06 mph (30.68 km/h) |
| 25 mph (40.23 km/h) | 23.83 mph (38.35 km/h) |
| 30 mph (48.28 km/h) | 28.6 mph (46.02 km/h) |
| 35 mph (56.33 km/h) | 33.36 mph (53.69 km/h) |
| 40 mph (64.37 km/h) | 38.13 mph (61.36 km/h) |
| 45 mph (72.42 km/h) | 42.89 mph (69.03 km/h) |
| 50 mph (80.47 km/h) | 47.66 mph (76.7 km/h) |
| 55 mph (88.51 km/h) | 52.43 mph (84.37 km/h) |
| 60 mph (96.56 km/h) | 57.19 mph (92.04 km/h) |
| 65 mph (104.61 km/h) | 61.96 mph (99.71 km/h) |
| 70 mph (112.65 km/h) | 66.72 mph (107.38 km/h) |
| 75 mph (120.7 km/h) | 71.49 mph (115.05 km/h) |
| 80 mph (128.75 km/h) | 76.26 mph (122.72 km/h) |
| 85 mph (136.79 km/h) | 81.02 mph (130.39 km/h) |
| 90 mph (144.84 km/h) | 85.79 mph (138.06 km/h) |
| 95 mph (152.89 km/h) | 90.55 mph (145.73 km/h) |
| 100 mph (160.93 km/h) | 95.32 mph (153.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2001 | 2324 | 2503 | 2614 | 2733 | 2818 | 2912 | 3022 | 3176 | 3329 | 3499 | 3635 | 3882 | 4155 | 4367 | 4504 | 4580 | 4861 | 5253 | 6104 |
Better Fuel Economy Factory Ratios Increased Power
