Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 105/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 19.13 (486) | -4.09 (-104) -17.6% |
| Width inches (mm) | 7.48 (190) | 4.13 (105) | -3.35 (-85) -44.7% |
| Circum. inches (mm) | 72.97 (1853.54) | 60.11 (1526.81) | -12.86 (-326.73) -17.6% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 2.07 (52.5) | -2.05 (-52) -49.8% |
| Revolutions per mile (km) | 868.25 (539.51) | 1054.05 (654.96) | 185.8 (115.45) 21.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.47 mph (26.51 km/h) |
| 25 mph (40.23 km/h) | 20.59 mph (33.14 km/h) |
| 30 mph (48.28 km/h) | 24.71 mph (39.77 km/h) |
| 35 mph (56.33 km/h) | 28.83 mph (46.4 km/h) |
| 40 mph (64.37 km/h) | 32.95 mph (53.03 km/h) |
| 45 mph (72.42 km/h) | 37.07 mph (59.65 km/h) |
| 50 mph (80.47 km/h) | 41.19 mph (66.28 km/h) |
| 55 mph (88.51 km/h) | 45.31 mph (72.91 km/h) |
| 60 mph (96.56 km/h) | 49.42 mph (79.54 km/h) |
| 65 mph (104.61 km/h) | 53.54 mph (86.17 km/h) |
| 70 mph (112.65 km/h) | 57.66 mph (92.8 km/h) |
| 75 mph (120.7 km/h) | 61.78 mph (99.42 km/h) |
| 80 mph (128.75 km/h) | 65.9 mph (106.05 km/h) |
| 85 mph (136.79 km/h) | 70.02 mph (112.68 km/h) |
| 90 mph (144.84 km/h) | 74.14 mph (119.31 km/h) |
| 95 mph (152.89 km/h) | 78.25 mph (125.94 km/h) |
| 100 mph (160.93 km/h) | 82.37 mph (132.57 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
