2005 Audi A6 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. Both 2005 Audi A6 and 2006 Audi A4 are equipped with a 2,967 cc engine. In terms of performance, 2005 Audi A6 (217 HP @ 3200 RPM) has 15 more horse power than 2006 Audi A4. (202 HP @ 3500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 260 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 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A6. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 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, 2006 Audi A4 (450 Nm @ 1400 RPM) has 150 more torque (in Nm) than 2005 Audi A6. (300 Nm @ 3200 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 202 HP |
| Engine RPM | 3200 RPM | 3500 RPM |
| Torque | 300 Nm | 450 Nm |
| Torque RPM | 3200 RPM | 1400 RPM |
| Engine Bore Size | 82.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 91.4 mm |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Top Speed | 241 km/hour | 231 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 7.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1275 kg |
| Vehicle Length | 4800 mm | 4590 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2650 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
