2007 Audi A8 vs. 1999 Audi A4
To start off, 2007 Audi A8 is newer by 8 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 4,134 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (322 HP @ 3750 RPM) has 75 more horse power than 1999 Audi A4. (247 HP @ 5700 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 600 kg more than 1999 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A4. In wet, icy, snow, or gravel driving conditions, 2007 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.
Compare all specifications:
| 2007 Audi A8 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | A8 | A4 |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4134 cc | 1779 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 247 HP |
| Engine RPM | 3750 RPM | 5700 RPM |
| Engine Compression Ratio | 16.5:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 245 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 9.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1945 kg | 1345 kg |
| Vehicle Length | 5070 mm | 4480 mm |
| Vehicle Width | 1900 mm | 1740 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2630 mm |
| Fuel Tank Capacity | 90 L | 62 L |
