Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/60-16 | 165/66-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.03 (610.4) | 24.57 (624.2) | 0.54 (13.8) 2.3% |
| Width inches (mm) | 6.69 (170) | 6.5 (165) | -0.2 (-5) -2.9% |
| Circum. inches (mm) | 75.5 (1917.63) | 77.2 (1960.98) | 1.71 (43.35) 2.3% |
| Sidewall Height inches (mm) | 4.02 (102) | 4.29 (108.9) | 0.27 (6.9) 6.8% |
| Revolutions per mile (km) | 839.24 (521.48) | 820.68 (509.95) | -18.55 (-11.53) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.45 mph (32.91 km/h) |
| 25 mph (40.23 km/h) | 25.57 mph (41.14 km/h) |
| 30 mph (48.28 km/h) | 30.68 mph (49.37 km/h) |
| 35 mph (56.33 km/h) | 35.79 mph (57.6 km/h) |
| 40 mph (64.37 km/h) | 40.9 mph (65.83 km/h) |
| 45 mph (72.42 km/h) | 46.02 mph (74.06 km/h) |
| 50 mph (80.47 km/h) | 51.13 mph (82.29 km/h) |
| 55 mph (88.51 km/h) | 56.24 mph (90.52 km/h) |
| 60 mph (96.56 km/h) | 61.36 mph (98.74 km/h) |
| 65 mph (104.61 km/h) | 66.47 mph (106.97 km/h) |
| 70 mph (112.65 km/h) | 71.58 mph (115.2 km/h) |
| 75 mph (120.7 km/h) | 76.7 mph (123.43 km/h) |
| 80 mph (128.75 km/h) | 81.81 mph (131.66 km/h) |
| 85 mph (136.79 km/h) | 86.92 mph (139.89 km/h) |
| 90 mph (144.84 km/h) | 92.03 mph (148.12 km/h) |
| 95 mph (152.89 km/h) | 97.15 mph (156.34 km/h) |
| 100 mph (160.93 km/h) | 102.26 mph (164.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2088 | 2426 | 2613 | 2728 | 2853 | 2942 | 3039 | 3155 | 3315 | 3475 | 3653 | 3795 | 4053 | 4337 | 4559 | 4701 | 4781 | 5075 | 5483 | 6372 |
Better Fuel Economy Factory Ratios Increased Power
