2009 Audi A6 vs. 2005 BMW X5
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 37 more horse power than 2009 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 1010 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 140 more torque (in Nm) than 2009 Audi A6. (380 Nm @ 1400 RPM). This means 2005 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 | 2005 BMW X5 | |
| Make | Audi | BMW |
| Model | A6 | X5 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 2926 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 215 HP |
| Engine RPM | 3300 RPM | 4000 RPM |
| Torque | 380 Nm | 520 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 83.1 mm | 90 mm |
| Engine Compression Ratio | 17.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 228 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 8.3 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 2170 kg |
| Vehicle Length | 4920 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2850 mm | 2830 mm |
| Fuel Consumption Overall | 8.7 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 80 L | 93 L |
