2004 Audi A8 vs. 2005 Alfa Romeo 156
To start off, 2005 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 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 8 more horse power than 2004 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 342 kg more than 2005 Alfa Romeo 156.
Because 2004 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, 2004 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, 2004 Audi A8 (450 Nm @ 1400 RPM) has 161 more torque (in Nm) than 2005 Alfa Romeo 156. (289 Nm @ 4800 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2004 Audi A8 | 2005 Alfa Romeo 156 | |
| Make | Audi | Alfa Romeo |
| Model | A8 | 156 |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 3179 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 238 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 450 Nm | 289 Nm |
| Torque RPM | 1400 RPM | 4800 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 91.4 mm | 78 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 7.8 seconds | 6.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 1488 kg |
| Vehicle Length | 5060 mm | 4310 mm |
| Vehicle Width | 1900 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1330 mm |
| Wheelbase Size | 2950 mm | 2600 mm |
| Fuel Consumption Overall | 8.4 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
