2009 Audi A6 vs. 2005 Audi A4
To start off, 2009 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,123 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (252 HP @ 6500 RPM) has 124 more horse power than 2005 Audi A4. (128 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 415 kg more than 2009 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 A6 (331 Nm @ 3250 RPM) has 136 more torque (in Nm) than 2005 Audi A4. (195 Nm @ 3300 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2009 Audi A6 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 252 HP | 128 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 331 Nm | 195 Nm |
| Torque RPM | 3250 RPM | 3300 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 212 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 9.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 895 kg | 1310 kg |
| Vehicle Length | 4800 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Consumption Overall | 9.9 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
