2006 Audi A6 vs. 1999 Audi RS4
To start off, 2006 Audi A6 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Audi RS4. In addition, the cost of maintenance, including insurance, on 1999 Audi RS4 would be higher. At 2,967 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi RS4 (250 HP @ 6100 RPM) has 29 more horse power than 2006 Audi A6. (221 HP @ 4000 RPM) In normal driving conditions, 1999 Audi RS4 should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 145 kg more than 1999 Audi RS4.
Because 1999 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A6. In wet, icy, snow, or gravel driving conditions, 1999 Audi RS4 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:
| 2006 Audi A6 | 1999 Audi RS4 | |
| Make | Audi | Audi |
| Model | A6 | RS4 |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 221 HP | 250 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Engine Bore Size | 83 mm | 81.1 mm |
| Engine Stroke Size | 91.4 mm | 86.4 mm |
| Engine Compression Ratio | 20.0:1 | 9.0:1 |
| Acceleration 0-100mph | 7.6 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1765 kg | 1620 kg |
| Vehicle Length | 4920 mm | 4530 mm |
| Vehicle Width | 2020 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1390 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 62 L |
