2006 Audi A4 vs. 2003 BMW X5
To start off, 2006 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 2,979 cc (6 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (217 HP @ 6300 RPM) has 2 more horse power than 2003 BMW X5. (215 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2003 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 580 kg more than 2006 Audi A4.
Because 2003 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A4. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 BMW X5 (500 Nm @ 2000 RPM) has 199 more torque (in Nm) than 2006 Audi A4. (301 Nm @ 3200 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2003 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 215 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 301 Nm | 500 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Bore Size | 82.5 mm | 84.1 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Acceleration 0-100mph | 7.8 seconds | 8.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1590 kg | 2170 kg |
| Vehicle Length | 4580 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1720 mm |
| Wheelbase Size | 2660 mm | 2940 mm |
| Fuel Consumption Highway | 8.7 L/100km | 7 L/100km |
| Fuel Consumption City | 11.8 L/100km | 11.4 L/100km |
| Fuel Consumption Overall | 9.9 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
