2008 BMW 550 vs. 2006 Audi A4
To start off, 2008 BMW 550 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 4,799 cc, 2008 BMW 550 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (360 HP @ 6300 RPM) has 222 more horse power than 2006 Audi A4. (138 HP @ 4000 RPM). In normal driving conditions, 2008 BMW 550 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 550 weights approximately 385 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2008 BMW 550 (490 Nm @ 3400 RPM) has 169 more torque (in Nm) than 2006 Audi A4. (321 Nm @ 1750 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2008 BMW 550 | 2006 Audi A4 | |
| Make | BMW | Audi |
| Model | 550 | A4 |
| Year Released | 2008 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1968 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 138 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 490 Nm | 321 Nm |
| Torque RPM | 3400 RPM | 1750 RPM |
| Engine Bore Size | 93 mm | 81 mm |
| Engine Stroke Size | 88.3 mm | 95.5 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 207 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 9.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1660 kg | 1275 kg |
| Vehicle Length | 4870 mm | 4550 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
| Fuel Consumption Overall | 11.1 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
