2001 Audi A8 vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Audi A8. In addition, the cost of maintenance, including insurance, on 2001 Audi A8 would be higher. At 4,392 cc (8 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (321 HP @ 6100 RPM) has 65 more horse power than 2001 Audi A8. (256 HP @ 6000 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 2001 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 405 kg more than 2001 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Audi A8. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 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, 2005 BMW X5 (450 Nm @ 3700 RPM) has 100 more torque (in Nm) than 2001 Audi A8. (350 Nm @ 3250 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A8.
Compare all specifications:
| 2001 Audi A8 | 2005 BMW X5 | |
| Make | Audi | BMW |
| Model | A8 | X5 |
| Year Released | 2001 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3695 cc | 4392 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 321 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 350 Nm | 450 Nm |
| Torque RPM | 3250 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 82.4 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 2235 kg |
| Vehicle Length | 5040 mm | 4670 mm |
| Vehicle Width | 1890 mm | 1880 mm |
| Vehicle Height | 1440 mm | 1710 mm |
| Wheelbase Size | 2410 mm | 2890 mm |
| Fuel Consumption Overall | 13 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 92 L |
