2009 Alfa Romeo 159 vs. 2007 Audi A6
To start off, 2009 Alfa Romeo 159 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 1,968 cc (4 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo 159 (158 HP @ 6500 RPM) has 20 more horse power than 2007 Audi A6. (138 HP @ 4000 RPM). In normal driving conditions, 2009 Alfa Romeo 159 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo 159 weights approximately 277 kg more than 2007 Audi A6. 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, 2007 Audi A6 (320 Nm @ 1750 RPM) has 130 more torque (in Nm) than 2009 Alfa Romeo 159. (190 Nm @ 4500 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo 159.
Compare all specifications:
| 2009 Alfa Romeo 159 | 2007 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | A6 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1859 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 138 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 190 Nm | 320 Nm |
| Torque RPM | 4500 RPM | 1750 RPM |
| Engine Bore Size | 86 mm | 81 mm |
| Engine Stroke Size | 80 mm | 95.5 mm |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 212 km/hour | 227 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 8.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1555 kg | 1278 kg |
| Vehicle Length | 4670 mm | 4800 mm |
| Vehicle Width | 1830 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2770 mm |
| Fuel Consumption Overall | 8.9 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
