2009 Audi A4 vs. 2008 Audi A6
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A6. In addition, the cost of maintenance, including insurance, on 2008 Audi A6 would be higher. At 3,196 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (265 HP @ 6500 RPM) has 87 more horse power than 2008 Audi A6. (178 HP @ 3300 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 845 kg more than 2009 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2008 Audi A6 (380 Nm @ 1400 RPM) has 50 more torque (in Nm) than 2009 Audi A4. (330 Nm @ 3000 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2008 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 2698 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 178 HP |
| Engine RPM | 6500 RPM | 3300 RPM |
| Torque | 330 Nm | 380 Nm |
| Torque RPM | 3000 RPM | 1400 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 83.1 mm |
| Engine Compression Ratio | 12.5:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1030 kg | 1875 kg |
| Vehicle Length | 4710 mm | 4940 mm |
| Vehicle Width | 1840 mm | 1870 mm |
| Vehicle Height | 1430 mm | 1530 mm |
| Wheelbase Size | 2820 mm | 2840 mm |
| Fuel Consumption Overall | 8.3 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
