2009 Audi A8 vs. 1999 Alfa Romeo 156
To start off, 2009 Audi A8 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 156 would be higher. At 2,966 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (229 HP @ 4000 RPM) has 42 more horse power than 1999 Alfa Romeo 156. (187 HP @ 6300 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 1999 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 480 kg more than 1999 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 1999 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 (450 Nm @ 1400 RPM) has 228 more torque (in Nm) than 1999 Alfa Romeo 156. (222 Nm @ 5000 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 156.
Compare all specifications:
| 2009 Audi A8 | 1999 Alfa Romeo 156 | |
| Make | Audi | Alfa Romeo |
| Model | A8 | 156 |
| Year Released | 2009 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 2492 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 187 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 450 Nm | 222 Nm |
| Torque RPM | 1400 RPM | 5000 RPM |
| Engine Bore Size | 83 mm | 88 mm |
| Engine Stroke Size | 91.4 mm | 68.3 mm |
| Engine Compression Ratio | 17.0:1 | 10.3:1 |
| Top Speed | 243 km/hour | 227 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 8.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1350 kg |
| Vehicle Height | 1900 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2600 mm |
| Fuel Consumption Overall | 8.4 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
