2009 Audi A8 vs. 2009 BMW X5
To start off, both 2009 Audi A8 and 2009 BMW X5 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,172 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (330 HP @ 6500 RPM) has 48 more horse power than 2009 BMW X5. (282 HP @ 4400 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2009 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 295 kg more than 2009 Audi A8.
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, 2009 BMW X5 (580 Nm @ 1750 RPM) has 150 more torque (in Nm) than 2009 Audi A8. (430 Nm @ 3500 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2009 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 282 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 430 Nm | 580 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1855 kg | 2150 kg |
| Vehicle Length | 5060 mm | 4860 mm |
| Vehicle Width | 1900 mm | 1940 mm |
| Vehicle Height | 1450 mm | 1740 mm |
| Wheelbase Size | 2950 mm | 2940 mm |
| Fuel Consumption Overall | 11.9 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 90 L | 85 L |
