2008 Audi A4 vs. 2004 Audi A6
To start off, 2008 Audi A4 is newer by 4 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 3,123 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (252 HP @ 6500 RPM) has 35 more horse power than 2008 Audi A4. (217 HP @ 6300 RPM) In normal driving conditions, 2004 Audi A6 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 60 kg more than 2008 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 2008 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 (330 Nm @ 3250 RPM) has 30 more torque (in Nm) than 2008 Audi A4. (300 Nm @ 3200 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2008 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 3123 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 252 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 300 Nm | 330 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Engine Compression Ratio | 10.5:1 | 12.5:1 |
| Top Speed | 234 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 7.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1620 kg | 1680 kg |
| Vehicle Length | 4580 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Overall | 9.7 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
