2008 Audi S8 vs. 2009 BMW X3
To start off, 2009 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S8. In addition, the cost of maintenance, including insurance, on 2008 Audi S8 would be higher. At 5,199 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (450 HP @ 7000 RPM) has 302 more horse power than 2009 BMW X3. (148 HP @ 6200 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 2009 BMW X3.
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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 340 more torque (in Nm) than 2009 BMW X3. (200 Nm @ 3750 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X3.
Compare all specifications:
| 2008 Audi S8 | 2009 BMW X3 | |
| Make | Audi | BMW |
| Model | S8 | X3 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5199 cc | 1995 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 148 HP |
| Engine RPM | 7000 RPM | 6200 RPM |
| Torque | 540 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Drive Type | AWD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
