2008 Audi A6 vs. 2004 Audi A4
To start off, 2008 Audi A6 is newer by 4 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 3,122 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (252 HP @ 6500 RPM) has 91 more horse power than 2008 Audi A6. (161 HP @ 4000 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 40 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A6. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A4 (330 Nm @ 3250 RPM) has 20 more torque (in Nm) than 2008 Audi A6. (310 Nm @ 1400 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 3122 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 252 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 310 Nm | 330 Nm |
| Torque RPM | 1400 RPM | 3250 RPM |
| Engine Bore Size | 78.3 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 19.5:1 | 12.5:1 |
| Top Speed | 217 km/hour | 247 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 7.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1630 kg |
| Vehicle Length | 4180 mm | 4590 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2430 mm |
| Fuel Consumption Overall | 6.9 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
