2009 Audi A4 vs. 2008 BMW X5
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 4,398 cc, 2008 BMW X5 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 510 kg more than 2009 Audi A4.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 BMW X5 (440 Nm @ 5400 RPM) has 40 more torque (in Nm) than 2009 Audi A4. (400 Nm @ 1400 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2008 BMW X5 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2008 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4398 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 0 HP |
| Torque | 400 Nm | 440 Nm |
| Torque RPM | 1400 RPM | 5400 RPM |
| Engine Bore Size | 83.1 mm | 92.1 mm |
| Engine Stroke Size | 83.1 mm | 82.7 mm |
| Engine Compression Ratio | 16.8:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 7.9 seconds | 8.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1670 kg | 2180 kg |
| Vehicle Length | 4710 mm | 4670 mm |
| Vehicle Width | 1830 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1710 mm |
| Wheelbase Size | 2810 mm | 2830 mm |
| Fuel Consumption Overall | 6 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 65 L | 93 L |
