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 2,975 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (217 HP @ 6300 RPM) has 89 more horse power than 2004 Audi A6. (128 HP @ 5700 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 280 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2008 Audi A4 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, 2008 Audi A4 (300 Nm @ 3200 RPM) has 105 more torque (in Nm) than 2004 Audi A6. (195 Nm @ 3300 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
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 | 2975 cc | 1895 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 217 HP | 128 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 300 Nm | 195 Nm |
| Torque RPM | 3200 RPM | 3300 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Top Speed | 241 km/hour | 205 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 10.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1675 kg | 1395 kg |
| Vehicle Length | 4580 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption Overall | 11.1 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
