2005 Audi A4 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 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 105 more horse power than 2005 Audi A4. (223 HP @ 6500 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 496 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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, 2005 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) has 140 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2008 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 4398 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 223 HP | 328 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 300 Nm | 440 Nm |
| Engine Bore Size | 83.1 mm | 92 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| Engine Compression Ratio | 10.1:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1695 kg | 2191 kg |
| Vehicle Length | 4550 mm | 4870 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2580 mm | 2830 mm |
| Fuel Consumption Overall | 11.8 L/100km | 15.4 L/100km |
| Fuel Tank Capacity | 66 L | 85 L |
