Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/60-13 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.27 (540.2) | 22.74 (577.6) | 1.47 (37.4) 6.9% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 66.81 (1697.09) | 71.44 (1814.58) | 4.63 (117.5) 6.9% |
| Sidewall Height inches (mm) | 4.13 (105) | 4.37 (111) | 0.24 (6) 5.7% |
| Revolutions per mile (km) | 948.3 (589.24) | 886.89 (551.09) | -61.4 (-38.15) -6.5% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.38 mph (34.42 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) | 48.12 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 (103.25 km/h) |
| 65 mph (104.61 km/h) | 69.5 mph (111.85 km/h) |
| 70 mph (112.65 km/h) | 74.85 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 (146.27 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 (172.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2257 | 2622 | 2824 | 2948 | 3083 | 3179 | 3285 | 3409 | 3582 | 3755 | 3947 | 4101 | 4379 | 4687 | 4927 | 5081 | 5167 | 5484 | 5926 | 6886 |
Better Fuel Economy Factory Ratios Increased Power
