Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-16 | 190/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.15 (587.9) | 22.98 (583.8) | -0.16 (-4.1) -0.7% |
| Width inches (mm) | 6.5 (165) | 7.48 (190) | 0.98 (25) 15.2% |
| Circum. inches (mm) | 72.71 (1846.94) | 72.21 (1834.06) | -0.51 (-12.88) -0.7% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 2.99 (76) | -0.58 (-14.75) -16.3% |
| Revolutions per mile (km) | 871.36 (541.43) | 877.48 (545.24) | 6.12 (3.8) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.86 mph (31.96 km/h) |
| 25 mph (40.23 km/h) | 24.83 mph (39.95 km/h) |
| 30 mph (48.28 km/h) | 29.79 mph (47.94 km/h) |
| 35 mph (56.33 km/h) | 34.76 mph (55.93 km/h) |
| 40 mph (64.37 km/h) | 39.72 mph (63.92 km/h) |
| 45 mph (72.42 km/h) | 44.69 mph (71.92 km/h) |
| 50 mph (80.47 km/h) | 49.65 mph (79.91 km/h) |
| 55 mph (88.51 km/h) | 54.62 mph (87.9 km/h) |
| 60 mph (96.56 km/h) | 59.58 mph (95.89 km/h) |
| 65 mph (104.61 km/h) | 64.55 mph (103.88 km/h) |
| 70 mph (112.65 km/h) | 69.51 mph (111.87 km/h) |
| 75 mph (120.7 km/h) | 74.48 mph (119.86 km/h) |
| 80 mph (128.75 km/h) | 79.44 mph (127.85 km/h) |
| 85 mph (136.79 km/h) | 84.41 mph (135.84 km/h) |
| 90 mph (144.84 km/h) | 89.37 mph (143.83 km/h) |
| 95 mph (152.89 km/h) | 94.34 mph (151.82 km/h) |
| 100 mph (160.93 km/h) | 99.3 mph (159.81 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
