2009 Audi A4 vs. 2010 BMW 550
To start off, 2010 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 4,800 cc (8 cylinders), 2010 BMW 550 is equipped with a bigger engine. In terms of performance, 2010 BMW 550 (360 HP @ 6300 RPM) has 202 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2010 BMW 550 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW 550 weights approximately 860 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 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 2010 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2010 BMW 550 (488 Nm @ 3400 RPM) has 238 more torque (in Nm) than 2009 Audi A4. (250 Nm @ 1500 RPM). This means 2010 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2009 Audi A4 has automatic transmission and 2010 BMW 550 has manual transmission. 2010 BMW 550 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2010 BMW 550 | |
| Make | Audi | BMW |
| Model | A4 | 550 |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 4800 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 360 HP |
| Engine RPM | 4500 RPM | 6300 RPM |
| Torque | 250 Nm | 488 Nm |
| Torque RPM | 1500 RPM | 3400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 930 kg | 1790 kg |
| Vehicle Length | 4710 mm | 4854 mm |
| Vehicle Width | 2010 mm | 1847 mm |
| Vehicle Height | 1430 mm | 1468 mm |
| Wheelbase Size | 2810 mm | 2888 mm |
| Fuel Tank Capacity | 65 L | 70 L |
