2007 Audi A8 vs. 2004 BMW X5
To start off, 2007 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW X5. In addition, the cost of maintenance, including insurance, on 2004 BMW X5 would be higher. At 3,697 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (276 HP @ 6000 RPM) has 48 more horse power than 2004 BMW X5. (228 HP @ 7400 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2004 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X5 weights approximately 334 kg more than 2007 Audi A8.
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 (360 Nm) has 70 more torque (in Nm) than 2004 BMW X5. (290 Nm). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW X5.
Compare all specifications:
| 2007 Audi A8 | 2004 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 2978 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 276 HP | 228 HP |
| Engine RPM | 6000 RPM | 7400 RPM |
| Torque | 360 Nm | 290 Nm |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 82.4 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1776 kg | 2110 kg |
| Vehicle Length | 5060 mm | 4670 mm |
| Vehicle Width | 1900 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1770 mm |
| Wheelbase Size | 2950 mm | 2940 mm |
| Fuel Consumption | 8.6 L/100km | 11.2 L/100km |
| Fuel Consumption City | 17.1 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 11.7 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 90 L | 92 L |
