2006 Alfa Romeo 159 vs. 2005 Audi A6
To start off, 2006 Alfa Romeo 159 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,671 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 89 more horse power than 2006 Alfa Romeo 159. (158 HP @ 6500 RPM) In normal driving conditions, 2005 Audi A6 should accelerate faster than 2006 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 250 kg more than 2006 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Audi A6 (350 Nm @ 1800 RPM) has 160 more torque (in Nm) than 2006 Alfa Romeo 159. (190 Nm @ 4500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 159.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2005 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | A6 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 158 HP | 247 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 190 Nm | 350 Nm |
| Torque RPM | 4500 RPM | 1800 RPM |
| Engine Bore Size | 86 mm | 81 mm |
| Engine Stroke Size | 80 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1555 kg | 1805 kg |
| Vehicle Length | 4670 mm | 4800 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2710 mm | 2770 mm |
