2008 Audi A4 vs. 2007 BMW X5
To start off, 2008 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X5. In addition, the cost of maintenance, including insurance, on 2007 BMW X5 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (228 HP @ 5900 RPM) has 67 more horse power than 2008 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2007 BMW X5 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 540 kg more than 2008 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 2008 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 (301 Nm @ 3500 RPM) has 76 more torque (in Nm) than 2008 Audi A4. (225 Nm @ 1950 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2007 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2008 | 2007 |
| Body Type | Convertible | 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 | 161 HP | 228 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 225 Nm | 301 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 81.1 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 89.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 9.4 seconds | 9.4 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 | 1540 kg | 2080 kg |
| Vehicle Length | 4580 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1880 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Consumption Overall | 8.5 L/100km | 14.2 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
