2004 Audi A8 vs. 2001 BMW X5
To start off, 2004 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 BMW X5. In addition, the cost of maintenance, including insurance, on 2001 BMW X5 would be higher. At 4,619 cc (8 cylinders), 2001 BMW X5 is equipped with a bigger engine. In terms of performance, 2001 BMW X5 (329 HP @ 5700 RPM) has 58 more horse power than 2004 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 2001 BMW X5 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 240 kg more than 2004 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 Audi A8 (650 Nm @ 1800 RPM) has 170 more torque (in Nm) than 2001 BMW X5. (480 Nm @ 3700 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW X5.
Compare all specifications:
| 2004 Audi A8 | 2001 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2004 | 2001 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3935 cc | 4619 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 329 HP |
| Engine RPM | 3750 RPM | 5700 RPM |
| Torque | 650 Nm | 480 Nm |
| Torque RPM | 1800 RPM | 3700 RPM |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 95.5 mm | 85 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 6.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 2180 kg |
| Vehicle Length | 5060 mm | 4670 mm |
| Vehicle Width | 1900 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1710 mm |
| Wheelbase Size | 2950 mm | 2830 mm |
| Fuel Consumption Overall | 9.7 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 90 L | 93 L |
