2006 Audi A8 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 3,934 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (271 HP @ 3750 RPM) has 43 more horse power than 2007 BMW X3. (228 HP @ 5900 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 164 kg more than 2006 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, 2006 Audi A8 (650 Nm @ 1800 RPM) has 349 more torque (in Nm) than 2007 BMW X3. (301 Nm @ 3500 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2006 Audi A8 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | A8 | X3 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3934 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 228 HP |
| Engine RPM | 3750 RPM | 5900 RPM |
| Torque | 650 Nm | 301 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 89.6 mm |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 10 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 | 1940 kg | 2104 kg |
| Vehicle Length | 5190 mm | 4670 mm |
| Vehicle Width | 1900 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1880 mm |
| Wheelbase Size | 3080 mm | 2830 mm |
| Fuel Consumption Overall | 9.6 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
