Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-20 | 165/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.8 (706) | 26.5 (673) | -1.3 (-33) -4.7% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 87.32 (2217.96) | 83.24 (2114.29) | -4.08 (-103.67) -4.7% |
| Sidewall Height inches (mm) | 3.9 (99) | 3.25 (82.5) | -0.65 (-16.5) -16.7% |
| Revolutions per mile (km) | 725.6 (450.86) | 761.17 (472.97) | 35.58 (22.11) 4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.07 mph (30.68 km/h) |
| 25 mph (40.23 km/h) | 23.83 mph (38.35 km/h) |
| 30 mph (48.28 km/h) | 28.6 mph (46.02 km/h) |
| 35 mph (56.33 km/h) | 33.36 mph (53.69 km/h) |
| 40 mph (64.37 km/h) | 38.13 mph (61.36 km/h) |
| 45 mph (72.42 km/h) | 42.9 mph (69.04 km/h) |
| 50 mph (80.47 km/h) | 47.66 mph (76.71 km/h) |
| 55 mph (88.51 km/h) | 52.43 mph (84.38 km/h) |
| 60 mph (96.56 km/h) | 57.2 mph (92.05 km/h) |
| 65 mph (104.61 km/h) | 61.96 mph (99.72 km/h) |
| 70 mph (112.65 km/h) | 66.73 mph (107.39 km/h) |
| 75 mph (120.7 km/h) | 71.49 mph (115.06 km/h) |
| 80 mph (128.75 km/h) | 76.26 mph (122.73 km/h) |
| 85 mph (136.79 km/h) | 81.03 mph (130.4 km/h) |
| 90 mph (144.84 km/h) | 85.79 mph (138.07 km/h) |
| 95 mph (152.89 km/h) | 90.56 mph (145.74 km/h) |
| 100 mph (160.93 km/h) | 95.33 mph (153.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1937 | 2250 | 2423 | 2531 | 2646 | 2728 | 2819 | 2926 | 3075 | 3223 | 3388 | 3520 | 3759 | 4022 | 4229 | 4360 | 4435 | 4707 | 5086 | 5910 |
Better Fuel Economy Factory Ratios Increased Power
