2004 Audi A4 vs. 1999 Audi A8
To start off, 2004 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Audi A8. In addition, the cost of maintenance, including insurance, on 1999 Audi A8 would be higher. At 2,771 cc (6 cylinders), 1999 Audi A8 is equipped with a bigger engine. In terms of performance, 1999 Audi A8 (190 HP @ 6000 RPM) has 53 more horse power than 2004 Audi A4. (137 HP @ 4000 RPM) In normal driving conditions, 1999 Audi A8 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A8 weights approximately 153 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A4. In wet, icy, snow, or gravel driving conditions, 1999 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 A4 (310 Nm @ 1740 RPM) has 30 more torque (in Nm) than 1999 Audi A8. (280 Nm @ 3200 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A8.
Compare all specifications:
| 2004 Audi A4 | 1999 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 2004 | 1999 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 137 HP | 190 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 310 Nm | 280 Nm |
| Torque RPM | 1740 RPM | 3200 RPM |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 201 km/hour | 235 km/hour |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1482 kg | 1635 kg |
| Vehicle Length | 4590 mm | 5040 mm |
| Vehicle Width | 1780 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
