Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/55-14 | 175/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.71 (526.1) | 22.27 (565.6) | 1.56 (39.5) 7.5% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 65.07 (1652.79) | 69.96 (1776.88) | 4.89 (124.09) 7.5% |
| Sidewall Height inches (mm) | 3.36 (85.25) | 4.13 (105) | 0.78 (19.75) 23.2% |
| Revolutions per mile (km) | 973.71 (605.04) | 905.71 (562.78) | -68 (-42.25) -7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.5 mph (34.6 km/h) |
| 25 mph (40.23 km/h) | 26.88 mph (43.25 km/h) |
| 30 mph (48.28 km/h) | 32.25 mph (51.91 km/h) |
| 35 mph (56.33 km/h) | 37.63 mph (60.56 km/h) |
| 40 mph (64.37 km/h) | 43 mph (69.21 km/h) |
| 45 mph (72.42 km/h) | 48.38 mph (77.86 km/h) |
| 50 mph (80.47 km/h) | 53.75 mph (86.51 km/h) |
| 55 mph (88.51 km/h) | 59.13 mph (95.16 km/h) |
| 60 mph (96.56 km/h) | 64.5 mph (103.81 km/h) |
| 65 mph (104.61 km/h) | 69.88 mph (112.46 km/h) |
| 70 mph (112.65 km/h) | 75.26 mph (121.11 km/h) |
| 75 mph (120.7 km/h) | 80.63 mph (129.76 km/h) |
| 80 mph (128.75 km/h) | 86.01 mph (138.41 km/h) |
| 85 mph (136.79 km/h) | 91.38 mph (147.07 km/h) |
| 90 mph (144.84 km/h) | 96.76 mph (155.72 km/h) |
| 95 mph (152.89 km/h) | 102.13 mph (164.37 km/h) |
| 100 mph (160.93 km/h) | 107.51 mph (173.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2305 | 2678 | 2884 | 3011 | 3148 | 3246 | 3354 | 3482 | 3658 | 3835 | 4031 | 4188 | 4472 | 4786 | 5031 | 5188 | 5277 | 5600 | 6051 | 7032 |
Better Fuel Economy Factory Ratios Increased Power
