2004 Audi A6 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 2 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 2,393 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (197 HP @ 5100 RPM) has 19 more horse power than 2004 Audi A6. (178 HP @ 4000 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 455 kg more than 2006 Audi A4.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 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 (370 Nm @ 1500 RPM) has 90 more torque (in Nm) than 2006 Audi A4. (280 Nm @ 1800 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2004 Audi A6 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 197 HP |
| Engine RPM | 4000 RPM | 5100 RPM |
| Torque | 370 Nm | 280 Nm |
| Torque RPM | 1500 RPM | 1800 RPM |
| Engine Compression Ratio | 19.0:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 221 km/hour | 236 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 7.3 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 | 1730 kg | 1275 kg |
| Vehicle Length | 4800 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
| Fuel Consumption Overall | 8.1 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
