1999 Audi A4 vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 6 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 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 92 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 814 kg more than 1999 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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. Let's talk about torque, 2005 BMW X5 (520 Nm @ 2000 RPM) has 352 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2005 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2926 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 215 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 168 Nm | 520 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Top Speed | 201 km/hour | 210 km/hour |
| Acceleration 0-100mph | 11 seconds | 8.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1356 kg | 2170 kg |
| Vehicle Length | 4480 mm | 4670 mm |
| Vehicle Width | 1740 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1720 mm |
| Wheelbase Size | 2610 mm | 2830 mm |
| Fuel Tank Capacity | 60 L | 93 L |
