2009 Audi A6 vs. 2009 Audi A4
To start off, both 2009 Audi A6 and 2009 Audi A4 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,698 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 3500 RPM) has 9 more horse power than 2009 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2009 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 53 kg more than 2009 Audi A4.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 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 A4 (400 Nm @ 1400 RPM) has 20 more torque (in Nm) than 2009 Audi A6. (380 Nm @ 1400 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2009 | 2009 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 2697 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 187 HP |
| Engine RPM | 3300 RPM | 3500 RPM |
| Torque | 380 Nm | 400 Nm |
| Torque RPM | 1400 RPM | 1400 RPM |
| Engine Bore Size | 83 mm | 82.6 mm |
| Engine Stroke Size | 83.1 mm | 84.1 mm |
| Engine Compression Ratio | 17.0:1 | 17.5:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.1 seconds | 8.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1698 kg | 1645 kg |
| Vehicle Length | 4940 mm | 4710 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2810 mm |
| Fuel Consumption Overall | 8.3 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 80 L | 65 L |
