Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-16 | 155/50-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.58 (598.9) | 22.1 (561.4) | -1.48 (-37.5) -6.3% |
| Width inches (mm) | 6.89 (175) | 6.1 (155) | -0.79 (-20) -11.4% |
| Circum. inches (mm) | 74.07 (1881.5) | 69.44 (1763.69) | -4.64 (-117.81) -6.3% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 3.05 (77.5) | -0.74 (-18.75) -19.5% |
| Revolutions per mile (km) | 855.35 (531.49) | 912.49 (566.99) | 57.14 (35.5) 6.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.75 mph (30.17 km/h) |
| 25 mph (40.23 km/h) | 23.43 mph (37.71 km/h) |
| 30 mph (48.28 km/h) | 28.12 mph (45.26 km/h) |
| 35 mph (56.33 km/h) | 32.81 mph (52.8 km/h) |
| 40 mph (64.37 km/h) | 37.5 mph (60.34 km/h) |
| 45 mph (72.42 km/h) | 42.18 mph (67.89 km/h) |
| 50 mph (80.47 km/h) | 46.87 mph (75.43 km/h) |
| 55 mph (88.51 km/h) | 51.56 mph (82.97 km/h) |
| 60 mph (96.56 km/h) | 56.24 mph (90.51 km/h) |
| 65 mph (104.61 km/h) | 60.93 mph (98.06 km/h) |
| 70 mph (112.65 km/h) | 65.62 mph (105.6 km/h) |
| 75 mph (120.7 km/h) | 70.3 mph (113.14 km/h) |
| 80 mph (128.75 km/h) | 74.99 mph (120.69 km/h) |
| 85 mph (136.79 km/h) | 79.68 mph (128.23 km/h) |
| 90 mph (144.84 km/h) | 84.36 mph (135.77 km/h) |
| 95 mph (152.89 km/h) | 89.05 mph (143.31 km/h) |
| 100 mph (160.93 km/h) | 93.74 mph (150.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2322 | 2698 | 2905 | 3034 | 3172 | 3271 | 3379 | 3508 | 3686 | 3864 | 4061 | 4219 | 4506 | 4822 | 5069 | 5227 | 5316 | 5642 | 6097 | 7085 |
Better Fuel Economy Factory Ratios Increased Power
