2005 Alfa Romeo 156 vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 2 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 2,698 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 6 more horse power than 2007 Audi A6. (179 HP @ 3300 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 205 kg more than 2005 Alfa Romeo 156.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (380 Nm @ 1400 RPM) has 159 more torque (in Nm) than 2005 Alfa Romeo 156. (221 Nm @ 5000 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2007 Audi A6 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A6 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 2698 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 179 HP |
| Engine RPM | 5000 RPM | 3300 RPM |
| Torque | 221 Nm | 380 Nm |
| Torque RPM | 5000 RPM | 1400 RPM |
| Engine Bore Size | 88 mm | 83 mm |
| Engine Stroke Size | 68.3 mm | 83.1 mm |
| Engine Compression Ratio | 10.3:1 | 17.0:1 |
| Top Speed | 225 km/hour | 223 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 9.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1695 kg |
| Vehicle Length | 4730 mm | 4590 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2850 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 72 L | 80 L |
