2005 Audi A6 vs. 2004 Audi A4
To start off, 2005 Audi A6 is newer by 1 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 2,698 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (197 HP @ 5100 RPM) has 19 more horse power than 2005 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 245 kg more than 2004 Audi A4.
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, 2005 Audi A6 (370 Nm @ 1400 RPM) has 90 more torque (in Nm) than 2004 Audi A4. (280 Nm @ 1800 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2005 Audi A6 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 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 | 3300 RPM | 5100 RPM |
| Torque | 370 Nm | 280 Nm |
| Torque RPM | 1400 RPM | 1800 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 83.1 mm | 92.8 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Top Speed | 225 km/hour | 235 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 7.3 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 1450 kg |
| Vehicle Length | 4940 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2430 mm |
| Fuel Consumption Overall | 7.1 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
