2002 Audi A6 vs. 2004 Audi A8
To start off, 2004 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Audi A6. In addition, the cost of maintenance, including insurance, on 2002 Audi A6 would be higher. At 5,998 cc, 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (450 HP @ 6300 RPM) has 290 more horse power than 2002 Audi A6. (160 HP @ 4000 RPM) In normal driving conditions, 2004 Audi A8 should accelerate faster than 2002 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 405 kg more than 2002 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Audi A6. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A8 (560 Nm @ 4000 RPM) has 249 more torque (in Nm) than 2002 Audi A6. (311 Nm @ 1400 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A6.
Compare all specifications:
| 2002 Audi A6 | 2004 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2002 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 5998 cc |
| Engine Type | V | W |
| Horse Power | 160 HP | 450 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 311 Nm | 560 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 78.3 mm | 84.1 mm |
| Engine Stroke Size | 86.4 mm | 90.2 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1995 kg |
| Vehicle Length | 4800 mm | 5060 mm |
| Vehicle Width | 1820 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2950 mm |
