2004 Audi A4 vs. 2007 BMW X5
To start off, 2007 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 4,398 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (283 HP @ 3600 RPM) has 66 more horse power than 2004 Audi A4. (217 HP @ 4000 RPM) In normal driving conditions, 2007 BMW X5 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 450 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A4. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X5 (440 Nm) has 140 more torque (in Nm) than 2004 Audi A4. (300 Nm). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2007 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2004 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 283 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 300 Nm | 440 Nm |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| Engine Compression Ratio | 10.1:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1730 kg | 2180 kg |
| Vehicle Length | 4580 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1710 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Consumption Overall | 10.2 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
