Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/50-17 | 190/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.09 (611.8) | 24.48 (621.8) | 0.39 (10) 1.6% |
| Width inches (mm) | 7.09 (180) | 7.48 (190) | 0.39 (10) 5.6% |
| Circum. inches (mm) | 75.67 (1922.03) | 76.91 (1953.44) | 1.24 (31.42) 1.6% |
| Sidewall Height inches (mm) | 3.54 (90) | 3.74 (95) | 0.2 (5) 5.6% |
| Revolutions per mile (km) | 837.32 (520.28) | 823.85 (511.92) | -13.47 (-8.37) -1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.71 km/h) |
| 25 mph (40.23 km/h) | 25.41 mph (40.89 km/h) |
| 30 mph (48.28 km/h) | 30.49 mph (49.07 km/h) |
| 35 mph (56.33 km/h) | 35.57 mph (57.25 km/h) |
| 40 mph (64.37 km/h) | 40.65 mph (65.43 km/h) |
| 45 mph (72.42 km/h) | 45.74 mph (73.6 km/h) |
| 50 mph (80.47 km/h) | 50.82 mph (81.78 km/h) |
| 55 mph (88.51 km/h) | 55.9 mph (89.96 km/h) |
| 60 mph (96.56 km/h) | 60.98 mph (98.14 km/h) |
| 65 mph (104.61 km/h) | 66.06 mph (106.32 km/h) |
| 70 mph (112.65 km/h) | 71.14 mph (114.5 km/h) |
| 75 mph (120.7 km/h) | 76.23 mph (122.67 km/h) |
| 80 mph (128.75 km/h) | 81.31 mph (130.85 km/h) |
| 85 mph (136.79 km/h) | 86.39 mph (139.03 km/h) |
| 90 mph (144.84 km/h) | 91.47 mph (147.21 km/h) |
| 95 mph (152.89 km/h) | 96.55 mph (155.39 km/h) |
| 100 mph (160.93 km/h) | 101.63 mph (163.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2097 | 2436 | 2623 | 2739 | 2864 | 2953 | 3051 | 3167 | 3328 | 3488 | 3667 | 3809 | 4068 | 4354 | 4577 | 4719 | 4800 | 5094 | 5505 | 6397 |
Better Fuel Economy Factory Ratios Increased Power
