2005 Audi A6 vs. 2011 Alfa Romeo 159
To start off, 2011 Alfa Romeo 159 is newer by 6 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 4,163 cc (8 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (335 HP @ 4000 RPM) has 177 more horse power than 2011 Alfa Romeo 159. (158 HP @ 6500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2011 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 275 kg more than 2011 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 (420 Nm) has 230 more torque (in Nm) than 2011 Alfa Romeo 159. (190 Nm). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2011 Alfa Romeo 159.
Compare all specifications:
| 2005 Audi A6 | 2011 Alfa Romeo 159 | |
| Make | Audi | Alfa Romeo |
| Model | A6 | 159 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1859 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 158 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 420 Nm | 190 Nm |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 93 mm | 80 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1605 kg |
| Vehicle Length | 4920 mm | 4670 mm |
| Vehicle Width | 2020 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
