Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-13 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.76 (578.2) | 22.74 (577.6) | -0.02 (-0.6) -0.1% |
| Width inches (mm) | 6.1 (155) | 7.28 (185) | 1.18 (30) 19.4% |
| Circum. inches (mm) | 71.51 (1816.47) | 71.44 (1814.58) | -0.07 (-1.88) -0.1% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.37 (111) | -0.51 (-13) -10.5% |
| Revolutions per mile (km) | 885.97 (550.52) | 886.89 (551.09) | 0.92 (0.57) 0.1% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.98 mph (32.15 km/h) |
| 25 mph (40.23 km/h) | 24.97 mph (40.19 km/h) |
| 30 mph (48.28 km/h) | 29.97 mph (48.23 km/h) |
| 35 mph (56.33 km/h) | 34.96 mph (56.27 km/h) |
| 40 mph (64.37 km/h) | 39.96 mph (64.31 km/h) |
| 45 mph (72.42 km/h) | 44.95 mph (72.35 km/h) |
| 50 mph (80.47 km/h) | 49.95 mph (80.38 km/h) |
| 55 mph (88.51 km/h) | 54.94 mph (88.42 km/h) |
| 60 mph (96.56 km/h) | 59.94 mph (96.46 km/h) |
| 65 mph (104.61 km/h) | 64.93 mph (104.5 km/h) |
| 70 mph (112.65 km/h) | 69.93 mph (112.54 km/h) |
| 75 mph (120.7 km/h) | 74.92 mph (120.58 km/h) |
| 80 mph (128.75 km/h) | 79.92 mph (128.61 km/h) |
| 85 mph (136.79 km/h) | 84.91 mph (136.65 km/h) |
| 90 mph (144.84 km/h) | 89.91 mph (144.69 km/h) |
| 95 mph (152.89 km/h) | 94.9 mph (152.73 km/h) |
| 100 mph (160.93 km/h) | 99.9 mph (160.77 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
