2007 Alfa Romeo 159 vs. 2006 Audi A8
To start off, 2007 Alfa Romeo 159 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 5,997 cc, 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (450 HP @ 6200 RPM) has 252 more horse power than 2007 Alfa Romeo 159. (198 HP @ 4000 RPM) In normal driving conditions, 2006 Audi A8 should accelerate faster than 2007 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 440 kg more than 2007 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alfa Romeo 159. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A8 (580 Nm @ 4000 RPM) has 180 more torque (in Nm) than 2007 Alfa Romeo 159. (400 Nm @ 2000 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 159.
Compare all specifications:
| 2007 Alfa Romeo 159 | 2006 Audi A8 | |
| Make | Alfa Romeo | Audi |
| Model | 159 | A8 |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 5997 cc |
| Engine Type | in-line | W |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 198 HP | 450 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 400 Nm | 580 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 90.4 mm | 90.2 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1705 kg | 2145 kg |
| Vehicle Length | 4670 mm | 5200 mm |
| Vehicle Width | 1830 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 3080 mm |
| Fuel Consumption | 5.4 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 6.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
