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 2,967 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (221 HP @ 4000 RPM) has 51 more horse power than 2004 Audi A4. (170 HP @ 6500 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. 2006 Audi A6 weights approximately 115 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (450 Nm) has 215 more torque (in Nm) than 2004 Audi A4. (235 Nm). 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 | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1784 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 221 HP | 170 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 450 Nm | 235 Nm |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 91.4 mm | 86 mm |
| Engine Compression Ratio | 20.0:1 | 9.3:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1650 kg |
| Vehicle Length | 4920 mm | 4580 mm |
| Vehicle Width | 2020 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2580 mm |
| Fuel Consumption | 6.3 L/100km | 7.8 L/100km |
| Fuel Consumption Overall | 6.3 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
