Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/50-15 | 175/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.68 (576) | 22.58 (573.5) | -0.1 (-2.5) -0.4% |
| Width inches (mm) | 7.68 (195) | 6.89 (175) | -0.79 (-20) -10.3% |
| Circum. inches (mm) | 71.24 (1809.56) | 70.93 (1801.7) | -0.31 (-7.85) -0.4% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 3.79 (96.25) | -0.05 (-1.25) -1.3% |
| Revolutions per mile (km) | 889.36 (552.62) | 893.23 (555.03) | 3.88 (2.41) 0.4% |
175/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.91 mph (32.05 km/h) |
| 25 mph (40.23 km/h) | 24.89 mph (40.06 km/h) |
| 30 mph (48.28 km/h) | 29.87 mph (48.07 km/h) |
| 35 mph (56.33 km/h) | 34.85 mph (56.08 km/h) |
| 40 mph (64.37 km/h) | 39.83 mph (64.09 km/h) |
| 45 mph (72.42 km/h) | 44.8 mph (72.11 km/h) |
| 50 mph (80.47 km/h) | 49.78 mph (80.12 km/h) |
| 55 mph (88.51 km/h) | 54.76 mph (88.13 km/h) |
| 60 mph (96.56 km/h) | 59.74 mph (96.14 km/h) |
| 65 mph (104.61 km/h) | 64.72 mph (104.15 km/h) |
| 70 mph (112.65 km/h) | 69.7 mph (112.17 km/h) |
| 75 mph (120.7 km/h) | 74.67 mph (120.18 km/h) |
| 80 mph (128.75 km/h) | 79.65 mph (128.19 km/h) |
| 85 mph (136.79 km/h) | 84.63 mph (136.2 km/h) |
| 90 mph (144.84 km/h) | 89.61 mph (144.21 km/h) |
| 95 mph (152.89 km/h) | 94.59 mph (152.22 km/h) |
| 100 mph (160.93 km/h) | 99.57 mph (160.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2273 | 2641 | 2844 | 2970 | 3105 | 3202 | 3308 | 3434 | 3608 | 3782 | 3976 | 4130 | 4411 | 4720 | 4962 | 5117 | 5204 | 5523 | 5968 | 6935 |
Better Fuel Economy Factory Ratios Increased Power
