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 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (444 HP @ 6500 RPM) has 158 more horse power than 2001 BMW Z9. (286 HP @ 7400 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2001 BMW Z9. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW Z9 weights approximately 715 kg more than 2005 Audi A8.
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 37 more torque (in Nm) than 2005 Audi A8. (560 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 | 5998 cc | 4400 cc |
| Engine Type | W | V |
| Horse Power | 444 HP | 286 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 560 Nm | 597 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 900 kg | 1615 kg |
| Vehicle Length | 5190 mm | 4770 mm |
| Vehicle Width | 1900 mm | 1980 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 3080 mm | 2960 mm |
| Fuel Tank Capacity | 90 L | 63 L |
