2005 Audi A8 vs. 2001 BMW Z9
To start off, 2005 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 BMW Z9. In addition, the cost of maintenance, including insurance, on 2001 BMW Z9 would be higher. At 4,400 cc (8 cylinders), 2001 BMW Z9 is equipped with a bigger engine. In terms of performance, 2001 BMW Z9 (286 HP @ 7400 RPM) has 56 more horse power than 2005 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2001 BMW Z9 should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 215 kg more than 2001 BMW Z9.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2001 BMW Z9. In wet, icy, snow, or gravel driving conditions, 2005 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, 2001 BMW Z9 (597 Nm) has 147 more torque (in Nm) than 2005 Audi A8. (450 Nm). This means 2001 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2005 Audi A8 | 2001 BMW Z9 | |
| Make | Audi | BMW |
| Model | A8 | Z9 |
| Year Released | 2005 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 230 HP | 286 HP |
| Engine RPM | 4000 RPM | 7400 RPM |
| Torque | 450 Nm | 597 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1830 kg | 1615 kg |
| Vehicle Length | 5060 mm | 4770 mm |
| Vehicle Width | 1900 mm | 1980 mm |
| Vehicle Height | 1450 mm | 1290 mm |
| Wheelbase Size | 2950 mm | 2960 mm |
| Fuel Tank Capacity | 90 L | 63 L |
