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 2,979 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (228 HP @ 3500 RPM) has 105 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 400 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 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A4. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 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 X5 (300 Nm @ 3500 RPM) has 127 more torque (in Nm) than 1999 Audi A4. (173 Nm @ 3950 RPM). This means 2006 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 | 2006 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 123 HP | 228 HP |
| Engine RPM | 5800 RPM | 3500 RPM |
| Torque | 173 Nm | 300 Nm |
| Torque RPM | 3950 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 89.6 mm |
| Engine Compression Ratio | 10.3:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 205 km/hour | 202 km/hour |
| Acceleration 0-100mph | 12.3 seconds | 8.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1230 kg | 1630 kg |
| Vehicle Length | 4480 mm | 4670 mm |
| Vehicle Width | 1740 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1720 mm |
| Wheelbase Size | 2520 mm | 2830 mm |
| Fuel Consumption Overall | 13 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 60 L | 93 L |
