2005 Alfa Romeo 156 vs. 2009 Audi A8
To start off, 2009 Audi A8 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 3,123 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (256 HP) has 83 more horse power than 2005 Alfa Romeo 156. (173 HP) In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 90 kg more than 2009 Audi A8.
Because 2009 Audi A8 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, 2009 Audi A8 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, 2009 Audi A8 (330 Nm @ 3250 RPM) has 143 more torque (in Nm) than 2005 Alfa Romeo 156. (187 Nm @ 3500 RPM). This means 2009 Audi A8 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 | 2009 Audi A8 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A8 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3123 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 173 HP | 256 HP |
| Torque | 187 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Compression Ratio | 10.0:1 | 13.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1160 kg |
| Wheelbase Size | 2710 mm | 2950 mm |
| Fuel Tank Capacity | 63 L | 90 L |
