2009 Audi A6 vs. 2005 Alfa Romeo 156
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (238 HP @ 6200 RPM) has 59 more horse power than 2009 Audi A6. (179 HP @ 4000 RPM) In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 127 kg more than 2005 Alfa Romeo 156.
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, 2009 Audi A6 (370 Nm @ 1500 RPM) has 81 more torque (in Nm) than 2005 Alfa Romeo 156. (289 Nm @ 4800 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2009 Audi A6 | 2005 Alfa Romeo 156 | |
| Make | Audi | Alfa Romeo |
| Model | A6 | 156 |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 3179 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 HP | 238 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 370 Nm | 289 Nm |
| Torque RPM | 1500 RPM | 4800 RPM |
| Engine Bore Size | 78.3 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 78 mm |
| Engine Compression Ratio | 19.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 219 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 6.3 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1488 kg |
| Vehicle Length | 4800 mm | 4310 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1460 mm | 1330 mm |
| Wheelbase Size | 2770 mm | 2600 mm |
| Fuel Consumption Overall | 8.1 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
