2007 BMW X3 vs. 2013 Audi A8
To start off, 2013 Audi A8 is newer by 6 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 3,991 cc (8 cylinders), 2013 Audi A8 is equipped with a bigger engine. In terms of performance, 2013 Audi A8 (367 HP @ 6800 RPM) has 99 more horse power than 2007 BMW X3. (268 HP @ 6600 RPM) In normal driving conditions, 2013 Audi A8 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2013 Audi A8 weights approximately 209 kg more than 2007 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 Audi A8 (445 Nm) has 130 more torque (in Nm) than 2007 BMW X3. (315 Nm). This means 2013 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 2013 Audi A8 | |
| Make | BMW | Audi |
| Model | X3 | A8 |
| Year Released | 2007 | 2013 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3991 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | W |
| Valves per Cylinder | 4 valves | 8 valves |
| Horse Power | 268 HP | 367 HP |
| Engine RPM | 6600 RPM | 6800 RPM |
| Torque | 315 Nm | 445 Nm |
| Engine Bore Size | 85 mm | 84.5 mm |
| Engine Stroke Size | 88 mm | 89.5 mm |
| Engine Compression Ratio | 10.7:1 | 10.1:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 210 km/hour | 209 km/hour |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 2024 kg |
| Vehicle Length | 4570 mm | 5267 mm |
| Vehicle Width | 1680 mm | 2111 mm |
| Vehicle Height | 1860 mm | 1471 mm |
| Wheelbase Size | 2800 mm | 3122 mm |
