Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/70-20 | 165/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.09 (739) | 27.8 (706) | -1.3 (-33) -4.5% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 91.4 (2321.64) | 87.32 (2217.96) | -4.08 (-103.67) -4.5% |
| Sidewall Height inches (mm) | 4.55 (115.5) | 3.9 (99) | -0.65 (-16.5) -14.3% |
| Revolutions per mile (km) | 693.19 (430.73) | 725.6 (450.86) | 32.4 (20.13) 4.7% |
165/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.11 mph (30.75 km/h) |
| 25 mph (40.23 km/h) | 23.88 mph (38.44 km/h) |
| 30 mph (48.28 km/h) | 28.66 mph (46.12 km/h) |
| 35 mph (56.33 km/h) | 33.44 mph (53.81 km/h) |
| 40 mph (64.37 km/h) | 38.21 mph (61.5 km/h) |
| 45 mph (72.42 km/h) | 42.99 mph (69.19 km/h) |
| 50 mph (80.47 km/h) | 47.77 mph (76.87 km/h) |
| 55 mph (88.51 km/h) | 52.54 mph (84.56 km/h) |
| 60 mph (96.56 km/h) | 57.32 mph (92.25 km/h) |
| 65 mph (104.61 km/h) | 62.1 mph (99.94 km/h) |
| 70 mph (112.65 km/h) | 66.87 mph (107.62 km/h) |
| 75 mph (120.7 km/h) | 71.65 mph (115.31 km/h) |
| 80 mph (128.75 km/h) | 76.43 mph (123 km/h) |
| 85 mph (136.79 km/h) | 81.2 mph (130.69 km/h) |
| 90 mph (144.84 km/h) | 85.98 mph (138.37 km/h) |
| 95 mph (152.89 km/h) | 90.76 mph (146.06 km/h) |
| 100 mph (160.93 km/h) | 95.53 mph (153.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1847 | 2145 | 2310 | 2412 | 2522 | 2601 | 2687 | 2789 | 2931 | 3072 | 3229 | 3355 | 3583 | 3834 | 4031 | 4157 | 4227 | 4487 | 4848 | 5634 |
Better Fuel Economy Factory Ratios Increased Power
