2009 Audi A4 vs. 2006 Audi A6
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 Audi A6 would be higher. At 3,130 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (255 HP @ 6500 RPM) has 87 more horse power than 2009 Audi A4. (168 HP @ 6000 RPM) In normal driving conditions, 2006 Audi A6 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 90 kg more than 2006 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, 2006 Audi A6 (330 Nm @ 3250 RPM) has 100 more torque (in Nm) than 2009 Audi A4. (230 Nm @ 3200 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2006 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2009 | 2006 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 3130 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 168 HP | 255 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 230 Nm | 330 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Engine Compression Ratio | 11.0:1 | 13.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1600 kg | 1510 kg |
| Vehicle Length | 4580 mm | 4920 mm |
| Vehicle Width | 1780 mm | 2020 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Overall | 9.8 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
