2005 Audi A4 vs. 2001 Audi A8
To start off, 2005 Audi A4 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 6,005 cc, 2001 Audi A8 is equipped with a bigger engine. In terms of performance, 2001 Audi A8 (414 HP @ 4000 RPM) has 167 more horse power than 2005 Audi A4. (247 HP @ 6300 RPM) In normal driving conditions, 2001 Audi A8 should accelerate faster than 2005 Audi A4.
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, 2001 Audi A8 (542 Nm) has 222 more torque (in Nm) than 2005 Audi A4. (320 Nm). This means 2001 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2001 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 2005 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 6005 cc |
| Engine Type | V | W |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 414 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 320 Nm | 542 Nm |
| Engine Compression Ratio | 13.0:1 | 10.8:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 5170 mm |
| Vehicle Width | 1780 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 3020 mm |
