2004 Audi A8 vs. 2004 Audi A3
To start off, both 2004 Audi A8 and 2004 Audi A3 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 198 more horse power than 2004 Audi A3. (252 HP @ 6300 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 2004 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 430 kg more than 2004 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 Audi A8 (560 Nm @ 4000 RPM) has 240 more torque (in Nm) than 2004 Audi A3. (320 Nm @ 2500 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A3.
Compare all specifications:
| 2004 Audi A8 | 2004 Audi A3 | |
| Make | Audi | Audi |
| Model | A8 | A3 |
| Year Released | 2004 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 3189 cc |
| Engine Type | W | V |
| Horse Power | 450 HP | 252 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 560 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 84.1 mm | 84 mm |
| Engine Stroke Size | 90.2 mm | 95.9 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1995 kg | 1565 kg |
| Vehicle Length | 5060 mm | 4290 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2470 mm |
