2009 Audi A6 vs. 2007 BMW X5
To start off, 2009 Audi A6 is newer by 2 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 4,798 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (355 HP @ 6200 RPM) has 103 more horse power than 2009 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 2007 BMW X5 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 660 kg more than 2009 Audi A6. 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 2009 Audi A6. 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 (490 Nm @ 3600 RPM) has 159 more torque (in Nm) than 2009 Audi A6. (331 Nm @ 3250 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2007 BMW X5 | |
| Make | Audi | BMW |
| Model | A6 | X5 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4798 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 355 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 331 Nm | 490 Nm |
| Torque RPM | 3250 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 88.3 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 246 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 6.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1540 kg | 2200 kg |
| Vehicle Length | 4920 mm | 4670 mm |
| Vehicle Width | 2020 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1710 mm |
| Wheelbase Size | 2850 mm | 2830 mm |
| Fuel Consumption Overall | 9.7 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
