2007 Audi A4 vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 2,393 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (217 HP @ 5900 RPM) has 49 more horse power than 2009 Audi A6. (168 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 5 kg more than 2007 Audi A4.
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, 2007 Audi A4 (300 Nm @ 2200 RPM) has 69 more torque (in Nm) than 2009 Audi A6. (231 Nm @ 3200 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2007 Audi A4 | 2009 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2393 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 217 HP | 168 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 300 Nm | 231 Nm |
| Torque RPM | 2200 RPM | 3200 RPM |
| Engine Bore Size | 82.6 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 77.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.1 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1535 kg |
| Vehicle Length | 4550 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 8.1 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
