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 2,995 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (300 HP @ 5100 RPM) has 159 more horse power than 2009 Audi A4. (141 HP @ 4200 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster 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 A6 (420 Nm @ 2500 RPM) has 100 more torque (in Nm) than 2009 Audi A4. (320 Nm @ 1750 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2009 Audi A6 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 141 HP |
| Engine RPM | 5100 RPM | 4200 RPM |
| Torque | 420 Nm | 320 Nm |
| Torque RPM | 2500 RPM | 1750 RPM |
| Engine Compression Ratio | 18.0:1 | 16.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 895 kg | 895 kg |
| Vehicle Length | 4930 mm | 4710 mm |
| Vehicle Width | 2040 mm | 2010 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2810 mm |
| Fuel Consumption Overall | 11.2 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 80 L | 65 L |
