Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-13 | 185/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.39 (594.2) | 24.2 (614.6) | 0.8 (20.4) 3.4% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 73.49 (1866.73) | 76.02 (1930.82) | 2.52 (64.09) 3.4% |
| Sidewall Height inches (mm) | 5.2 (132) | 5.1 (129.5) | -0.1 (-2.5) -1.9% |
| Revolutions per mile (km) | 862.12 (535.69) | 833.5 (517.91) | -28.62 (-17.78) -3.3% |
185/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.69 mph (33.29 km/h) |
| 25 mph (40.23 km/h) | 25.86 mph (41.61 km/h) |
| 30 mph (48.28 km/h) | 31.03 mph (49.94 km/h) |
| 35 mph (56.33 km/h) | 36.2 mph (58.26 km/h) |
| 40 mph (64.37 km/h) | 41.37 mph (66.58 km/h) |
| 45 mph (72.42 km/h) | 46.54 mph (74.91 km/h) |
| 50 mph (80.47 km/h) | 51.72 mph (83.23 km/h) |
| 55 mph (88.51 km/h) | 56.89 mph (91.55 km/h) |
| 60 mph (96.56 km/h) | 62.06 mph (99.88 km/h) |
| 65 mph (104.61 km/h) | 67.23 mph (108.2 km/h) |
| 70 mph (112.65 km/h) | 72.4 mph (116.52 km/h) |
| 75 mph (120.7 km/h) | 77.57 mph (124.84 km/h) |
| 80 mph (128.75 km/h) | 82.75 mph (133.17 km/h) |
| 85 mph (136.79 km/h) | 87.92 mph (141.49 km/h) |
| 90 mph (144.84 km/h) | 93.09 mph (149.81 km/h) |
| 95 mph (152.89 km/h) | 98.26 mph (158.14 km/h) |
| 100 mph (160.93 km/h) | 103.43 mph (166.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2121 | 2464 | 2654 | 2771 | 2897 | 2988 | 3087 | 3204 | 3367 | 3529 | 3710 | 3854 | 4116 | 4405 | 4630 | 4775 | 4856 | 5154 | 5569 | 6472 |
Better Fuel Economy Factory Ratios Increased Power
