2005 Audi A4 vs. 1999 Audi A6
To start off, 2005 Audi A4 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Audi A6. In addition, the cost of maintenance, including insurance, on 1999 Audi A6 would be higher. At 1,894 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 1999 Audi A6 (123 HP @ 5800 RPM) has 23 more horse power than 2005 Audi A4. (100 HP @ 1900 RPM) In normal driving conditions, 1999 Audi A6 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 5 kg more than 1999 Audi A6.
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. Let's talk about torque, 2005 Audi A4 (250 Nm @ 1900 RPM) has 82 more torque (in Nm) than 1999 Audi A6. (168 Nm @ 3500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A6.
Compare all specifications:
| 2005 Audi A4 | 1999 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2005 | 1999 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 123 HP |
| Engine RPM | 1900 RPM | 5800 RPM |
| Torque | 250 Nm | 168 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Engine Compression Ratio | 19.0:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1445 kg |
| Vehicle Length | 4550 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
