2004 Audi A6 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,494 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (168 HP @ 6000 RPM) has 20 more horse power than 2009 Audi A4. (148 HP @ 6000 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 230 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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, 2004 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, 2004 Audi A6 (230 Nm @ 3000 RPM) has 30 more torque (in Nm) than 2009 Audi A4. (200 Nm @ 3500 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2004 Audi A6 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 148 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 230 Nm | 200 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 77.4 mm | 92.8 mm |
| Engine Compression Ratio | 10.3:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 223 km/hour | 214 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 9.9 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 | 1640 kg | 1410 kg |
| Vehicle Length | 4800 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 10.8 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
