Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/55-15 | 175/50-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.71 (551.5) | 22.89 (581.4) | 1.18 (29.9) 5.4% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 68.21 (1732.59) | 71.91 (1826.52) | 3.7 (93.93) 5.4% |
| Sidewall Height inches (mm) | 3.36 (85.25) | 3.44 (87.5) | 0.09 (2.25) 2.6% |
| Revolutions per mile (km) | 928.87 (577.17) | 881.1 (547.49) | -47.77 (-29.68) -5.1% |
175/50-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.08 mph (33.93 km/h) |
| 25 mph (40.23 km/h) | 26.36 mph (42.41 km/h) |
| 30 mph (48.28 km/h) | 31.63 mph (50.9 km/h) |
| 35 mph (56.33 km/h) | 36.9 mph (59.38 km/h) |
| 40 mph (64.37 km/h) | 42.17 mph (67.86 km/h) |
| 45 mph (72.42 km/h) | 47.44 mph (76.35 km/h) |
| 50 mph (80.47 km/h) | 52.71 mph (84.83 km/h) |
| 55 mph (88.51 km/h) | 57.98 mph (93.31 km/h) |
| 60 mph (96.56 km/h) | 63.25 mph (101.8 km/h) |
| 65 mph (104.61 km/h) | 68.52 mph (110.28 km/h) |
| 70 mph (112.65 km/h) | 73.8 mph (118.76 km/h) |
| 75 mph (120.7 km/h) | 79.07 mph (127.24 km/h) |
| 80 mph (128.75 km/h) | 84.34 mph (135.73 km/h) |
| 85 mph (136.79 km/h) | 89.61 mph (144.21 km/h) |
| 90 mph (144.84 km/h) | 94.88 mph (152.69 km/h) |
| 95 mph (152.89 km/h) | 100.15 mph (161.18 km/h) |
| 100 mph (160.93 km/h) | 105.42 mph (169.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2242 | 2605 | 2805 | 2929 | 3063 | 3158 | 3263 | 3387 | 3559 | 3731 | 3922 | 4074 | 4351 | 4656 | 4895 | 5047 | 5133 | 5448 | 5887 | 6841 |
Better Fuel Economy Factory Ratios Increased Power
