2007 Audi A6 vs. 2009 Audi A5
To start off, 2009 Audi A5 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 3,698 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (265 HP @ 6500 RPM) has 87 more horse power than 2007 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2009 Audi A5 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 760 kg more than 2009 Audi A5.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A6. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 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 (380 Nm @ 1400 RPM) has 50 more torque (in Nm) than 2009 Audi A5. (330 Nm @ 3250 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2007 Audi A6 | 2009 Audi A5 | |
| Make | Audi | Audi |
| Model | A6 | A5 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3698 cc | 3197 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 265 HP |
| Engine RPM | 3300 RPM | 6500 RPM |
| Torque | 380 Nm | 330 Nm |
| Torque RPM | 1400 RPM | 3250 RPM |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1655 kg | 895 kg |
| Vehicle Length | 4920 mm | 4630 mm |
| Vehicle Width | 1470 mm | 1990 mm |
| Vehicle Height | 1860 mm | 1380 mm |
| Wheelbase Size | 2850 mm | 2760 mm |
| Fuel Consumption Overall | 7.2 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
