2004 Alfa Romeo 156 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 4,172 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (330 HP @ 6500 RPM) has 141 more horse power than 2004 Alfa Romeo 156. (189 HP @ 6300 RPM) In normal driving conditions, 2009 Audi A8 should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 425 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 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 (430 Nm @ 3500 RPM) has 212 more torque (in Nm) than 2004 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2009 Audi A8 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | A8 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 189 HP | 330 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 218 Nm | 430 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 88 mm | 84.5 mm |
| Engine Stroke Size | 68.3 mm | 93 mm |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.6 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1855 kg |
| Vehicle Length | 4440 mm | 5060 mm |
| Vehicle Width | 1750 mm | 1900 mm |
| Vehicle Height | 1400 mm | 1450 mm |
| Wheelbase Size | 2550 mm | 2950 mm |
| Fuel Consumption Overall | 12 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
