2006 Audi A6 vs. 2004 Audi A4
To start off, 2006 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (329 HP @ 6600 RPM) has 168 more horse power than 2004 Audi A4. (161 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 285 kg more than 2006 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, 2006 Audi A6 (420 Nm @ 3500 RPM) has 70 more torque (in Nm) than 2004 Audi A4. (350 Nm @ 1500 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2006 Audi A6 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 329 HP | 161 HP |
| Engine RPM | 6600 RPM | 4000 RPM |
| Torque | 420 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 245 km/hour | 225 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1560 kg |
| Vehicle Length | 4920 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2660 mm |
| Fuel Consumption Highway | 9.5 L/100km | 5.4 L/100km |
| Fuel Consumption City | 19 L/100km | 9.7 L/100km |
| Fuel Consumption Overall | 11.6 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
