1999 Audi A4 vs. 2006 BMW X5
To start off, 2006 BMW X5 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 2,981 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (247 HP @ 5700 RPM) has 22 more horse power than 2006 BMW X5. (225 HP @ 5900 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 425 kg more than 1999 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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.
Compare all specifications:
| 1999 Audi A4 | 2006 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 1999 | 2006 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1780 cc | 2981 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 247 HP | 225 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 89.6 mm |
| Engine Compression Ratio | 9.5:1 | 10.2:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1835 kg |
| Vehicle Length | 4480 mm | 4670 mm |
| Vehicle Width | 1740 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1770 mm |
| Wheelbase Size | 2610 mm | 2830 mm |
| Fuel Tank Capacity | 60 L | 92 L |
