Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/65-13 | 175/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.96 (557.7) | 21.89 (556) | -0.07 (-1.7) -0.3% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 68.98 (1752.07) | 68.77 (1746.73) | -0.21 (-5.34) -0.3% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 3.44 (87.5) | -1.03 (-26.25) -23.1% |
| Revolutions per mile (km) | 918.54 (570.75) | 921.35 (572.5) | 2.81 (1.75) 0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.94 mph (32.09 km/h) |
| 25 mph (40.23 km/h) | 24.92 mph (40.11 km/h) |
| 30 mph (48.28 km/h) | 29.91 mph (48.13 km/h) |
| 35 mph (56.33 km/h) | 34.89 mph (56.16 km/h) |
| 40 mph (64.37 km/h) | 39.88 mph (64.18 km/h) |
| 45 mph (72.42 km/h) | 44.86 mph (72.2 km/h) |
| 50 mph (80.47 km/h) | 49.85 mph (80.22 km/h) |
| 55 mph (88.51 km/h) | 54.83 mph (88.24 km/h) |
| 60 mph (96.56 km/h) | 59.82 mph (96.27 km/h) |
| 65 mph (104.61 km/h) | 64.8 mph (104.29 km/h) |
| 70 mph (112.65 km/h) | 69.79 mph (112.31 km/h) |
| 75 mph (120.7 km/h) | 74.77 mph (120.33 km/h) |
| 80 mph (128.75 km/h) | 79.76 mph (128.36 km/h) |
| 85 mph (136.79 km/h) | 84.74 mph (136.38 km/h) |
| 90 mph (144.84 km/h) | 89.73 mph (144.4 km/h) |
| 95 mph (152.89 km/h) | 94.71 mph (152.42 km/h) |
| 100 mph (160.93 km/h) | 99.7 mph (160.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
