2002 Audi A8 vs. 2009 BMW 550
To start off, 2009 BMW 550 is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Audi A8. In addition, the cost of maintenance, including insurance, on 2002 Audi A8 would be higher. At 4,799 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 132 more horse power than 2002 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2009 BMW 550 should accelerate faster than 2002 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A8 weights approximately 168 kg more than 2009 BMW 550.
Because 2002 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 550. In wet, icy, snow, or gravel driving conditions, 2002 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 BMW 550 (490 Nm @ 3400 RPM) has 40 more torque (in Nm) than 2002 Audi A8. (450 Nm @ 1400 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A8.
Compare all specifications:
| 2002 Audi A8 | 2009 BMW 550 | |
| Make | Audi | BMW |
| Model | A8 | 550 |
| Year Released | 2002 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 4799 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 362 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 450 Nm | 490 Nm |
| Torque RPM | 1400 RPM | 3400 RPM |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 7.8 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 1662 kg |
| Vehicle Length | 5060 mm | 4850 mm |
| Vehicle Width | 1900 mm | 1470 mm |
| Vehicle Height | 1450 mm | 1850 mm |
| Wheelbase Size | 2950 mm | 2890 mm |
| Fuel Consumption Overall | 8.4 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
