Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-14 | 185/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.39 (619.6) | 25.65 (651.6) | 1.26 (32) 5.2% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 76.64 (1946.53) | 80.59 (2047.06) | 3.96 (100.53) 5.2% |
| Sidewall Height inches (mm) | 5.2 (132) | 5.83 (148) | 0.63 (16) 12.1% |
| Revolutions per mile (km) | 826.78 (513.73) | 786.17 (488.5) | -40.6 (-25.23) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.03 mph (33.85 km/h) |
| 25 mph (40.23 km/h) | 26.29 mph (42.31 km/h) |
| 30 mph (48.28 km/h) | 31.55 mph (50.77 km/h) |
| 35 mph (56.33 km/h) | 36.81 mph (59.24 km/h) |
| 40 mph (64.37 km/h) | 42.07 mph (67.7 km/h) |
| 45 mph (72.42 km/h) | 47.32 mph (76.16 km/h) |
| 50 mph (80.47 km/h) | 52.58 mph (84.62 km/h) |
| 55 mph (88.51 km/h) | 57.84 mph (93.09 km/h) |
| 60 mph (96.56 km/h) | 63.1 mph (101.55 km/h) |
| 65 mph (104.61 km/h) | 68.36 mph (110.01 km/h) |
| 70 mph (112.65 km/h) | 73.62 mph (118.47 km/h) |
| 75 mph (120.7 km/h) | 78.87 mph (126.93 km/h) |
| 80 mph (128.75 km/h) | 84.13 mph (135.4 km/h) |
| 85 mph (136.79 km/h) | 89.39 mph (143.86 km/h) |
| 90 mph (144.84 km/h) | 94.65 mph (152.32 km/h) |
| 95 mph (152.89 km/h) | 99.91 mph (160.78 km/h) |
| 100 mph (160.93 km/h) | 105.16 mph (169.25 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
