Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-13 | 175/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.47 (570.7) | 24.02 (610.2) | 1.56 (39.5) 6.9% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 70.59 (1792.91) | 75.47 (1917) | 4.89 (124.09) 6.9% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 5.51 (140) | 0.78 (19.75) 16.4% |
| Revolutions per mile (km) | 897.62 (557.75) | 839.51 (521.65) | -58.11 (-36.1) -6.5% |
175/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.38 mph (34.41 km/h) |
| 25 mph (40.23 km/h) | 26.73 mph (43.02 km/h) |
| 30 mph (48.28 km/h) | 32.08 mph (51.62 km/h) |
| 35 mph (56.33 km/h) | 37.42 mph (60.23 km/h) |
| 40 mph (64.37 km/h) | 42.77 mph (68.83 km/h) |
| 45 mph (72.42 km/h) | 48.11 mph (77.43 km/h) |
| 50 mph (80.47 km/h) | 53.46 mph (86.04 km/h) |
| 55 mph (88.51 km/h) | 58.81 mph (94.64 km/h) |
| 60 mph (96.56 km/h) | 64.15 mph (103.24 km/h) |
| 65 mph (104.61 km/h) | 69.5 mph (111.85 km/h) |
| 70 mph (112.65 km/h) | 74.84 mph (120.45 km/h) |
| 75 mph (120.7 km/h) | 80.19 mph (129.06 km/h) |
| 80 mph (128.75 km/h) | 85.54 mph (137.66 km/h) |
| 85 mph (136.79 km/h) | 90.88 mph (146.26 km/h) |
| 90 mph (144.84 km/h) | 96.23 mph (154.87 km/h) |
| 95 mph (152.89 km/h) | 101.58 mph (163.47 km/h) |
| 100 mph (160.93 km/h) | 106.92 mph (172.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2136 | 2482 | 2673 | 2791 | 2918 | 3009 | 3109 | 3227 | 3391 | 3555 | 3736 | 3882 | 4146 | 4436 | 4664 | 4809 | 4891 | 5191 | 5609 | 6518 |
Better Fuel Economy Factory Ratios Increased Power
