1999 Audi A4 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 9 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 4,398 cc, 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (328 HP @ 6100 RPM) has 205 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 801 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.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW X5. 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, 2008 BMW X5 (440 Nm @ 3700 RPM) has 272 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 2008 BMW X5 has automatic transmission and 1999 Audi A4 has manual transmission. 1999 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 2008 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 1999 | 2008 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4398 cc |
| Horse Power | 123 HP | 328 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 168 Nm | 440 Nm |
| Torque RPM | 3500 RPM | 3700 RPM |
| Engine Bore Size | 81 mm | 92 mm |
| Engine Stroke Size | 86.4 mm | 82.7 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Top Speed | 197 km/hour | 229 km/hour |
| Acceleration 0-100mph | 11.3 seconds | 7.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1390 kg | 2191 kg |
| Vehicle Length | 4480 mm | 4870 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2610 mm | 2830 mm |
| Fuel Tank Capacity | 60 L | 85 L |
