2009 Audi A4 vs. 2005 Audi A6
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 1,968 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (148 HP @ 5700 RPM) has 7 more horse power than 2009 Audi A4. (141 HP @ 4200 RPM) In normal driving conditions, 2005 Audi A6 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 30 kg more than 2005 Audi A6.
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, 2009 Audi A4 (320 Nm @ 1750 RPM) has 110 more torque (in Nm) than 2005 Audi A6. (210 Nm @ 1750 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2009 Audi A4 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 141 HP | 148 HP |
| Engine RPM | 4200 RPM | 5700 RPM |
| Torque | 320 Nm | 210 Nm |
| Torque RPM | 1750 RPM | 1750 RPM |
| Engine Compression Ratio | 16.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 203 km/hour | 209 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 9.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1490 kg |
| Vehicle Length | 4710 mm | 4800 mm |
| Vehicle Width | 1830 mm | 1820 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2810 mm | 2770 mm |
| Fuel Consumption Overall | 5.7 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
