2004 Audi A4 vs. 2009 BMW 550
To start off, 2009 BMW 550 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 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 225 more horse power than 2004 Audi A4. (137 HP @ 4000 RPM) In normal driving conditions, 2009 BMW 550 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 550 weights approximately 178 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 550 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 180 more torque (in Nm) than 2004 Audi A4. (310 Nm @ 1740 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2009 BMW 550 | |
| Make | Audi | BMW |
| Model | A4 | 550 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4799 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 137 HP | 362 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 310 Nm | 490 Nm |
| Torque RPM | 1740 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 93.1 mm |
| Engine Stroke Size | 95.5 mm | 88.3 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 10.2 seconds | 5.5 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1482 kg | 1660 kg |
| Vehicle Length | 4590 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1470 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 5.8 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
