Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-16 | 175/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.58 (598.9) | 22.51 (571.8) | -1.07 (-27.1) -4.5% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 74.07 (1881.5) | 70.72 (1796.36) | -3.35 (-85.14) -4.5% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 2.76 (70) | -1.03 (-26.25) -27.3% |
| Revolutions per mile (km) | 855.35 (531.49) | 895.89 (556.68) | 40.54 (25.19) 4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.1 mph (30.73 km/h) |
| 25 mph (40.23 km/h) | 23.87 mph (38.41 km/h) |
| 30 mph (48.28 km/h) | 28.64 mph (46.1 km/h) |
| 35 mph (56.33 km/h) | 33.42 mph (53.78 km/h) |
| 40 mph (64.37 km/h) | 38.19 mph (61.46 km/h) |
| 45 mph (72.42 km/h) | 42.96 mph (69.14 km/h) |
| 50 mph (80.47 km/h) | 47.74 mph (76.83 km/h) |
| 55 mph (88.51 km/h) | 52.51 mph (84.51 km/h) |
| 60 mph (96.56 km/h) | 57.29 mph (92.19 km/h) |
| 65 mph (104.61 km/h) | 62.06 mph (99.87 km/h) |
| 70 mph (112.65 km/h) | 66.83 mph (107.56 km/h) |
| 75 mph (120.7 km/h) | 71.61 mph (115.24 km/h) |
| 80 mph (128.75 km/h) | 76.38 mph (122.92 km/h) |
| 85 mph (136.79 km/h) | 81.15 mph (130.6 km/h) |
| 90 mph (144.84 km/h) | 85.93 mph (138.29 km/h) |
| 95 mph (152.89 km/h) | 90.7 mph (145.97 km/h) |
| 100 mph (160.93 km/h) | 95.48 mph (153.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2280 | 2649 | 2852 | 2978 | 3114 | 3211 | 3318 | 3444 | 3619 | 3793 | 3987 | 4143 | 4424 | 4734 | 4977 | 5132 | 5219 | 5540 | 5986 | 6956 |
Better Fuel Economy Factory Ratios Increased Power
