Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-20 | 175/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.8 (706) | 28.96 (735.5) | 1.16 (29.5) 4.2% |
| Width inches (mm) | 6.5 (165) | 6.89 (175) | 0.39 (10) 6.1% |
| Circum. inches (mm) | 87.32 (2217.96) | 90.97 (2310.64) | 3.65 (92.68) 4.2% |
| Sidewall Height inches (mm) | 3.9 (99) | 4.48 (113.75) | 0.58 (14.75) 14.9% |
| Revolutions per mile (km) | 725.6 (450.86) | 696.49 (432.78) | -29.1 (-18.08) -4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.84 mph (33.53 km/h) |
| 25 mph (40.23 km/h) | 26.04 mph (41.91 km/h) |
| 30 mph (48.28 km/h) | 31.25 mph (50.3 km/h) |
| 35 mph (56.33 km/h) | 36.46 mph (58.68 km/h) |
| 40 mph (64.37 km/h) | 41.67 mph (67.06 km/h) |
| 45 mph (72.42 km/h) | 46.88 mph (75.45 km/h) |
| 50 mph (80.47 km/h) | 52.09 mph (83.83 km/h) |
| 55 mph (88.51 km/h) | 57.3 mph (92.21 km/h) |
| 60 mph (96.56 km/h) | 62.51 mph (100.6 km/h) |
| 65 mph (104.61 km/h) | 67.72 mph (108.98 km/h) |
| 70 mph (112.65 km/h) | 72.92 mph (117.36 km/h) |
| 75 mph (120.7 km/h) | 78.13 mph (125.74 km/h) |
| 80 mph (128.75 km/h) | 83.34 mph (134.13 km/h) |
| 85 mph (136.79 km/h) | 88.55 mph (142.51 km/h) |
| 90 mph (144.84 km/h) | 93.76 mph (150.89 km/h) |
| 95 mph (152.89 km/h) | 98.97 mph (159.28 km/h) |
| 100 mph (160.93 km/h) | 104.18 mph (167.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1772 | 2059 | 2217 | 2315 | 2421 | 2497 | 2579 | 2678 | 2813 | 2949 | 3100 | 3221 | 3439 | 3681 | 3869 | 3990 | 4058 | 4307 | 4654 | 5408 |
Better Fuel Economy Factory Ratios Increased Power
