Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/50-17 | 290/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.48 (621.8) | 28.42 (721.8) | 3.94 (100) 16.1% |
| Width inches (mm) | 7.48 (190) | 11.42 (290) | 3.94 (100) 52.6% |
| Circum. inches (mm) | 76.91 (1953.44) | 89.28 (2267.6) | 12.37 (314.16) 16.1% |
| Sidewall Height inches (mm) | 3.74 (95) | 5.71 (145) | 1.97 (50) 52.6% |
| Revolutions per mile (km) | 823.85 (511.92) | 709.71 (440.99) | -114.14 (-70.92) -13.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.22 mph (37.36 km/h) |
| 25 mph (40.23 km/h) | 29.02 mph (46.7 km/h) |
| 30 mph (48.28 km/h) | 34.82 mph (56.05 km/h) |
| 35 mph (56.33 km/h) | 40.63 mph (65.39 km/h) |
| 40 mph (64.37 km/h) | 46.43 mph (74.73 km/h) |
| 45 mph (72.42 km/h) | 52.24 mph (84.07 km/h) |
| 50 mph (80.47 km/h) | 58.04 mph (93.41 km/h) |
| 55 mph (88.51 km/h) | 63.85 mph (102.75 km/h) |
| 60 mph (96.56 km/h) | 69.65 mph (112.09 km/h) |
| 65 mph (104.61 km/h) | 75.45 mph (121.43 km/h) |
| 70 mph (112.65 km/h) | 81.26 mph (130.77 km/h) |
| 75 mph (120.7 km/h) | 87.06 mph (140.11 km/h) |
| 80 mph (128.75 km/h) | 92.87 mph (149.45 km/h) |
| 85 mph (136.79 km/h) | 98.67 mph (158.79 km/h) |
| 90 mph (144.84 km/h) | 104.47 mph (168.14 km/h) |
| 95 mph (152.89 km/h) | 110.28 mph (177.48 km/h) |
| 100 mph (160.93 km/h) | 116.08 mph (186.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1806 | 2098 | 2260 | 2359 | 2467 | 2544 | 2628 | 2728 | 2867 | 3005 | 3159 | 3282 | 3505 | 3751 | 3943 | 4066 | 4135 | 4388 | 4742 | 5510 |
Better Fuel Economy Factory Ratios Increased Power
