2008 Audi A4 vs. 2011 BMW 550
To start off, 2011 BMW 550 is newer by 3 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 4,400 cc (8 cylinders), 2011 BMW 550 is equipped with a bigger engine. In terms of performance, 2011 BMW 550 (400 HP @ 5500 RPM) has 150 more horse power than 2008 Audi A4. (250 HP @ 4500 RPM) In normal driving conditions, 2011 BMW 550 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 550 weights approximately 590 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 BMW 550 (609 Nm @ 1750 RPM) has 159 more torque (in Nm) than 2008 Audi A4. (450 Nm @ 1400 RPM). This means 2011 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2011 BMW 550 | |
| Make | Audi | BMW |
| Model | A4 | 550 |
| Year Released | 2008 | 2011 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4400 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 250 HP | 400 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 450 Nm | 609 Nm |
| Torque RPM | 1400 RPM | 1750 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1705 kg | 2295 kg |
| Vehicle Length | 4550 mm | 4999 mm |
| Vehicle Width | 1780 mm | 1900 mm |
| Vehicle Height | 1430 mm | 1560 mm |
| Wheelbase Size | 2650 mm | 3071 mm |
| Fuel Tank Capacity | 66 L | 70 L |
