2008 Audi A4 vs. 2009 BMW 550
To start off, 2009 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 4,799 cc, 2009 BMW 550 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 550 weights approximately 170 kg more than 2008 Audi A4.
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, 2008 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 265 more torque (in Nm) than 2008 Audi A4. (225 Nm @ 1950 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2009 BMW 550 has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 550 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A4 | 2009 BMW 550 | |
| Make | Audi | BMW |
| Model | A4 | 550 |
| Year Released | 2008 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4799 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 0 HP | 362 HP |
| Torque | 225 Nm | 490 Nm |
| Torque RPM | 1950 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 93.1 mm |
| Engine Stroke Size | 86.4 mm | 88.3 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 8.9 seconds | 5.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1660 kg |
| Vehicle Length | 4180 mm | 4850 mm |
| Vehicle Height | 1370 mm | 1850 mm |
| Wheelbase Size | 2650 mm | 2890 mm |
| Fuel Consumption Overall | 8.3 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
