2008 Audi R8 vs. 2006 BMW X5
To start off, 2008 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 4,163 cc (8 cylinders), 2008 Audi R8 is equipped with a bigger engine. In terms of performance, 2008 Audi R8 (420 HP @ 8250 RPM) has 195 more horse power than 2006 BMW X5. (225 HP @ 5900 RPM). In normal driving conditions, 2008 Audi R8 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 675 kg more than 2008 Audi R8.
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 R8 (430 Nm @ 4500 RPM) has 140 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 2008 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2008 Audi R8 | 2006 BMW X5 | |
| Make | Audi | BMW |
| Model | R8 | X5 |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 2981 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 420 HP | 225 HP |
| Engine RPM | 8250 RPM | 5900 RPM |
| Torque | 430 Nm | 290 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Drive Type | AWD | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1835 kg |
| Vehicle Length | 4440 mm | 4670 mm |
| Vehicle Width | 1910 mm | 1880 mm |
| Vehicle Height | 1260 mm | 1770 mm |
| Wheelbase Size | 2660 mm | 2830 mm |
| Fuel Consumption Overall | 7.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 90 L | 92 L |
