Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/50-17 | 185/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.48 (621.8) | 25.01 (635.3) | 0.53 (13.5) 2.2% |
| Width inches (mm) | 7.48 (190) | 7.28 (185) | -0.2 (-5) -2.6% |
| Circum. inches (mm) | 76.91 (1953.44) | 78.58 (1995.85) | 1.67 (42.41) 2.2% |
| Sidewall Height inches (mm) | 3.74 (95) | 4.01 (101.75) | 0.27 (6.75) 7.1% |
| Revolutions per mile (km) | 823.85 (511.92) | 806.34 (501.04) | -17.51 (-10.88) -2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.43 mph (32.89 km/h) |
| 25 mph (40.23 km/h) | 25.54 mph (41.11 km/h) |
| 30 mph (48.28 km/h) | 30.65 mph (49.33 km/h) |
| 35 mph (56.33 km/h) | 35.76 mph (57.55 km/h) |
| 40 mph (64.37 km/h) | 40.87 mph (65.77 km/h) |
| 45 mph (72.42 km/h) | 45.98 mph (73.99 km/h) |
| 50 mph (80.47 km/h) | 51.09 mph (82.21 km/h) |
| 55 mph (88.51 km/h) | 56.19 mph (90.44 km/h) |
| 60 mph (96.56 km/h) | 61.3 mph (98.66 km/h) |
| 65 mph (104.61 km/h) | 66.41 mph (106.88 km/h) |
| 70 mph (112.65 km/h) | 71.52 mph (115.1 km/h) |
| 75 mph (120.7 km/h) | 76.63 mph (123.32 km/h) |
| 80 mph (128.75 km/h) | 81.74 mph (131.54 km/h) |
| 85 mph (136.79 km/h) | 86.85 mph (139.76 km/h) |
| 90 mph (144.84 km/h) | 91.95 mph (147.99 km/h) |
| 95 mph (152.89 km/h) | 97.06 mph (156.21 km/h) |
| 100 mph (160.93 km/h) | 102.17 mph (164.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2052 | 2384 | 2567 | 2681 | 2803 | 2890 | 2986 | 3100 | 3257 | 3414 | 3589 | 3729 | 3982 | 4261 | 4479 | 4619 | 4698 | 4986 | 5388 | 6261 |
Better Fuel Economy Factory Ratios Increased Power
