2007 Audi A8 vs. 2009 BMW X3
To start off, 2009 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 4,172 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (330 HP @ 6500 RPM) has 70 more horse power than 2009 BMW X3. (260 HP @ 6600 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2009 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 180 kg more than 2009 BMW X3. 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, 2007 Audi A8 (430 Nm @ 3500 RPM) has 125 more torque (in Nm) than 2009 BMW X3. (305 Nm @ 2750 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X3. 2007 Audi A8 has automatic transmission and 2009 BMW X3 has manual transmission. 2009 BMW X3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A8 | 2009 BMW X3 | |
| Make | Audi | BMW |
| Model | A8 | X3 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 260 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 430 Nm | 305 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1730 kg |
| Vehicle Length | 5190 mm | 4580 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1680 mm |
| Wheelbase Size | 3080 mm | 2800 mm |
| Fuel Consumption Overall | 11.9 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
