1999 Audi A4 vs. 2006 BMW 550
To start off, 2006 BMW 550 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 4,799 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP) has 210 more horse power than 1999 Audi A4. (150 HP) In normal driving conditions, 2006 BMW 550 should accelerate faster than 1999 Audi A4.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 550. In wet, icy, snow, or gravel driving conditions, 1999 Audi A4 will offer significantly more control. 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, 2006 BMW 550 (488 Nm) has 278 more torque (in Nm) than 1999 Audi A4. (210 Nm). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2006 BMW 550 | |
| Make | Audi | BMW |
| Model | A4 | 550 |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 4799 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 150 HP | 360 HP |
| Torque | 210 Nm | 488 Nm |
| Engine Bore Size | 81 mm | 93.1 mm |
| Engine Stroke Size | 86.4 mm | 88.4 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4480 mm | 4880 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2890 mm |
