2007 Audi A8 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 1 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 5,997 cc, 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 6200 RPM) has 116 more horse power than 2008 BMW X5. (328 HP @ 6100 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 196 kg more than 2007 Audi A8.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW X5. In wet, icy, snow, or gravel driving conditions, 2007 Audi A8 will offer significantly more control. 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 (580 Nm @ 4000 RPM) has 140 more torque (in Nm) than 2008 BMW X5. (440 Nm @ 3700 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5.
Compare all specifications:
| 2007 Audi A8 | 2008 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5997 cc | 4398 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 328 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 580 Nm | 440 Nm |
| Torque RPM | 4000 RPM | 3700 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90.2 mm | 82.7 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 229 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 7.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1995 kg | 2191 kg |
| Vehicle Length | 5070 mm | 4870 mm |
| Vehicle Height | 1460 mm | 1480 mm |
| Wheelbase Size | 3080 mm | 2830 mm |
| Fuel Consumption Overall | 13.8 L/100km | 15.4 L/100km |
| Fuel Tank Capacity | 90 L | 85 L |
