Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-14 | 185/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.76 (603.6) | 22.74 (577.6) | -1.02 (-26) -4.3% |
| Width inches (mm) | 6.1 (155) | 7.28 (185) | 1.18 (30) 19.4% |
| Circum. inches (mm) | 74.66 (1896.27) | 71.44 (1814.58) | -3.22 (-81.68) -4.3% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.37 (111) | -0.51 (-13) -10.5% |
| Revolutions per mile (km) | 848.69 (527.35) | 886.89 (551.09) | 38.2 (23.74) 4.5% |
185/60-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.14 mph (30.8 km/h) |
| 25 mph (40.23 km/h) | 23.92 mph (38.5 km/h) |
| 30 mph (48.28 km/h) | 28.71 mph (46.2 km/h) |
| 35 mph (56.33 km/h) | 33.49 mph (53.9 km/h) |
| 40 mph (64.37 km/h) | 38.28 mph (61.6 km/h) |
| 45 mph (72.42 km/h) | 43.06 mph (69.3 km/h) |
| 50 mph (80.47 km/h) | 47.85 mph (77 km/h) |
| 55 mph (88.51 km/h) | 52.63 mph (84.7 km/h) |
| 60 mph (96.56 km/h) | 57.42 mph (92.4 km/h) |
| 65 mph (104.61 km/h) | 62.2 mph (100.1 km/h) |
| 70 mph (112.65 km/h) | 66.98 mph (107.8 km/h) |
| 75 mph (120.7 km/h) | 71.77 mph (115.5 km/h) |
| 80 mph (128.75 km/h) | 76.55 mph (123.2 km/h) |
| 85 mph (136.79 km/h) | 81.34 mph (130.9 km/h) |
| 90 mph (144.84 km/h) | 86.12 mph (138.6 km/h) |
| 95 mph (152.89 km/h) | 90.91 mph (146.3 km/h) |
| 100 mph (160.93 km/h) | 95.69 mph (154 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
