2005 Audi A8 vs. 2001 BMW Z18
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 Z18. In addition, the cost of maintenance, including insurance, on 2001 BMW Z18 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 121 more horse power than 2001 BMW Z18. (323 HP @ 7400 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2001 BMW Z18. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW Z18 weights approximately 800 kg more than 2005 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, 2005 Audi A8 (560 Nm) has 220 more torque (in Nm) than 2001 BMW Z18. (340 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW Z18.
Compare all specifications:
| 2005 Audi A8 | 2001 BMW Z18 | |
| Make | Audi | BMW |
| Model | A8 | Z18 |
| Year Released | 2005 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 4400 cc |
| Engine Type | W | V |
| Horse Power | 444 HP | 323 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 560 Nm | 340 Nm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 900 kg | 1700 kg |
| Wheelbase Size | 3080 mm | 2730 mm |
| Fuel Tank Capacity | 90 L | 63 L |
