Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 23.96 (608.5) | 0.73 (18.5) 3.1% |
| Width inches (mm) | 7.48 (190) | 6.89 (175) | -0.59 (-15) -7.9% |
| Circum. inches (mm) | 72.97 (1853.54) | 75.26 (1911.66) | 2.29 (58.12) 3.1% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 4.48 (113.75) | 0.36 (9.25) 8.9% |
| Revolutions per mile (km) | 868.25 (539.51) | 841.86 (523.1) | -26.4 (-16.4) -3% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.63 mph (33.2 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.5 km/h) |
| 30 mph (48.28 km/h) | 30.94 mph (49.79 km/h) |
| 35 mph (56.33 km/h) | 36.1 mph (58.09 km/h) |
| 40 mph (64.37 km/h) | 41.25 mph (66.39 km/h) |
| 45 mph (72.42 km/h) | 46.41 mph (74.69 km/h) |
| 50 mph (80.47 km/h) | 51.57 mph (82.99 km/h) |
| 55 mph (88.51 km/h) | 56.72 mph (91.29 km/h) |
| 60 mph (96.56 km/h) | 61.88 mph (99.59 km/h) |
| 65 mph (104.61 km/h) | 67.04 mph (107.89 km/h) |
| 70 mph (112.65 km/h) | 72.19 mph (116.19 km/h) |
| 75 mph (120.7 km/h) | 77.35 mph (124.49 km/h) |
| 80 mph (128.75 km/h) | 82.51 mph (132.78 km/h) |
| 85 mph (136.79 km/h) | 87.67 mph (141.08 km/h) |
| 90 mph (144.84 km/h) | 92.82 mph (149.38 km/h) |
| 95 mph (152.89 km/h) | 97.98 mph (157.68 km/h) |
| 100 mph (160.93 km/h) | 103.14 mph (165.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2142 | 2489 | 2680 | 2799 | 2926 | 3018 | 3118 | 3236 | 3400 | 3565 | 3747 | 3893 | 4157 | 4449 | 4677 | 4823 | 4905 | 5205 | 5625 | 6536 |
Better Fuel Economy Factory Ratios Increased Power
