2009 Audi A6 vs. 2006 Audi A4
To start off, 2009 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 1,984 cc (4 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (148 HP @ 5700 RPM) has 19 more horse power than 2006 Audi A4. (129 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 285 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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. Let's talk about torque, 2009 Audi A6 (210 Nm @ 1750 RPM) has 14 more torque (in Nm) than 2006 Audi A4. (196 Nm @ 3300 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2009 Audi A6 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2009 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 148 HP | 129 HP |
| Engine RPM | 5700 RPM | 5700 RPM |
| Torque | 210 Nm | 196 Nm |
| Torque RPM | 1750 RPM | 3300 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 212 km/hour | 192 km/hour |
| Acceleration 0-100mph | 10 seconds | 9.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1310 kg |
| Vehicle Length | 4800 mm | 4590 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2650 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
