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 2,494 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (168 HP @ 6000 RPM) has 54 more horse power than 2006 Audi A4. (114 HP @ 4000 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 100 kg more than 2006 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 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, 2006 Audi A4 (285 Nm @ 1900 RPM) has 55 more torque (in Nm) than 2004 Audi A6. (230 Nm @ 3000 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
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 | 2494 cc | 1896 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 114 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 230 Nm | 285 Nm |
| Torque RPM | 3000 RPM | 1900 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 77.4 mm | 95.5 mm |
| Engine Compression Ratio | 10.3:1 | 19.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 223 km/hour | 197 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 11.5 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 | 1540 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 | 5.7 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
