2005 Audi A6 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 A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 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 76 more horse power than 2005 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 621 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 BMW X5. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 @ 3700 RPM) has 110 more torque (in Nm) than 2005 Audi A6. (330 Nm @ 3250 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2008 BMW X5 | |
| Make | Audi | BMW |
| Model | A6 | X5 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 4398 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 328 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 330 Nm | 440 Nm |
| Torque RPM | 3250 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Top Speed | 250 km/hour | 229 km/hour |
| Acceleration 0-100mph | 7 seconds | 7.7 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1570 kg | 2191 kg |
| Vehicle Length | 4920 mm | 4870 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2770 mm | 2830 mm |
| Fuel Consumption Overall | 9.7 L/100km | 15.4 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
