Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 185/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 25.74 (653.8) | -2.95 (-75) -10.3% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 90.14 (2289.59) | 80.87 (2053.97) | -9.28 (-235.62) -10.3% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 4.37 (111) | -1.48 (-37.5) -25.3% |
| Revolutions per mile (km) | 702.9 (436.76) | 783.53 (486.86) | 80.63 (50.1) 11.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.94 mph (28.87 km/h) |
| 25 mph (40.23 km/h) | 22.43 mph (36.09 km/h) |
| 30 mph (48.28 km/h) | 26.91 mph (43.31 km/h) |
| 35 mph (56.33 km/h) | 31.4 mph (50.53 km/h) |
| 40 mph (64.37 km/h) | 35.88 mph (57.75 km/h) |
| 45 mph (72.42 km/h) | 40.37 mph (64.97 km/h) |
| 50 mph (80.47 km/h) | 44.85 mph (72.19 km/h) |
| 55 mph (88.51 km/h) | 49.34 mph (79.41 km/h) |
| 60 mph (96.56 km/h) | 53.83 mph (86.62 km/h) |
| 65 mph (104.61 km/h) | 58.31 mph (93.84 km/h) |
| 70 mph (112.65 km/h) | 62.8 mph (101.06 km/h) |
| 75 mph (120.7 km/h) | 67.28 mph (108.28 km/h) |
| 80 mph (128.75 km/h) | 71.77 mph (115.5 km/h) |
| 85 mph (136.79 km/h) | 76.25 mph (122.72 km/h) |
| 90 mph (144.84 km/h) | 80.74 mph (129.94 km/h) |
| 95 mph (152.89 km/h) | 85.22 mph (137.15 km/h) |
| 100 mph (160.93 km/h) | 89.71 mph (144.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1994 | 2316 | 2495 | 2605 | 2724 | 2808 | 2902 | 3012 | 3165 | 3318 | 3487 | 3623 | 3869 | 4141 | 4353 | 4488 | 4565 | 4845 | 5235 | 6084 |
Better Fuel Economy Factory Ratios Increased Power
