1999 Audi A4 vs. 2004 Audi A8
To start off, 2004 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,975 cc (6 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (247 HP @ 5700 RPM) has 30 more horse power than 2004 Audi A8. (217 HP @ 6300 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 410 kg more than 1999 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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.
Compare all specifications:
| 1999 Audi A4 | 2004 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 1999 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2975 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 247 HP | 217 HP |
| Engine RPM | 5700 RPM | 6300 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 9.5:1 | 11.0:1 |
| Top Speed | 221 km/hour | 245 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1260 kg | 1670 kg |
| Vehicle Length | 4480 mm | 5060 mm |
| Vehicle Width | 1740 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2620 mm | 2950 mm |
| Fuel Tank Capacity | 62 L | 42 L |
