1999 Audi A4 vs. 2005 Audi A6
To start off, 2005 Audi A6 is newer by 6 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 2,393 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (247 HP @ 5700 RPM) has 79 more horse power than 2005 Audi A6. (168 HP @ 6000 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 230 kg more than 1999 Audi A4.
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.
Compare all specifications:
| 1999 Audi A4 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 1999 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1780 cc | 2393 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 247 HP | 168 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 77.4 mm |
| Engine Compression Ratio | 9.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 215 km/hour | 218 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 9.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1640 kg |
| Vehicle Length | 4480 mm | 4800 mm |
| Vehicle Width | 1740 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2610 mm | 2660 mm |
| Fuel Tank Capacity | 60 L | 70 L |
