Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-17 | 190/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.23 (640.8) | 22.98 (583.8) | -2.24 (-57) -8.9% |
| Width inches (mm) | 7.48 (190) | 7.48 (190) | 0 (0) 0% |
| Circum. inches (mm) | 79.26 (2013.13) | 72.21 (1834.06) | -7.05 (-179.07) -8.9% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 2.99 (76) | -1.12 (-28.5) -27.3% |
| Revolutions per mile (km) | 799.42 (496.74) | 877.48 (545.24) | 78.05 (48.5) 9.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.22 mph (29.32 km/h) |
| 25 mph (40.23 km/h) | 22.78 mph (36.65 km/h) |
| 30 mph (48.28 km/h) | 27.33 mph (43.99 km/h) |
| 35 mph (56.33 km/h) | 31.89 mph (51.32 km/h) |
| 40 mph (64.37 km/h) | 36.44 mph (58.65 km/h) |
| 45 mph (72.42 km/h) | 41 mph (65.98 km/h) |
| 50 mph (80.47 km/h) | 45.55 mph (73.31 km/h) |
| 55 mph (88.51 km/h) | 50.11 mph (80.64 km/h) |
| 60 mph (96.56 km/h) | 54.66 mph (87.97 km/h) |
| 65 mph (104.61 km/h) | 59.22 mph (95.3 km/h) |
| 70 mph (112.65 km/h) | 63.77 mph (102.63 km/h) |
| 75 mph (120.7 km/h) | 68.33 mph (109.96 km/h) |
| 80 mph (128.75 km/h) | 72.88 mph (117.3 km/h) |
| 85 mph (136.79 km/h) | 77.44 mph (124.63 km/h) |
| 90 mph (144.84 km/h) | 81.99 mph (131.96 km/h) |
| 95 mph (152.89 km/h) | 86.55 mph (139.29 km/h) |
| 100 mph (160.93 km/h) | 91.1 mph (146.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2233 | 2594 | 2794 | 2917 | 3050 | 3145 | 3250 | 3373 | 3544 | 3715 | 3905 | 4057 | 4333 | 4637 | 4875 | 5027 | 5112 | 5426 | 5863 | 6813 |
Better Fuel Economy Factory Ratios Increased Power
