2007 Audi A6 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (255 HP @ 6500 RPM) has 38 more horse power than 2009 Audi A8. (217 HP @ 6300 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 210 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A8. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (330 Nm @ 3250 RPM) has 30 more torque (in Nm) than 2009 Audi A8. (300 Nm @ 8200 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2007 Audi A6 | 2009 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2976 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 255 HP | 217 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 8200 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1670 kg |
| Vehicle Length | 4920 mm | 5060 mm |
| Vehicle Width | 2020 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2850 mm | 2950 mm |
| Fuel Consumption Overall | 9.8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
