2007 Audi A4 vs. 2004 Audi A6
To start off, 2007 Audi A4 is newer by 3 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 3,188 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 74 more horse power than 2004 Audi A6. (178 HP @ 3300 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 85 kg more than 2007 Audi A4.
Because 2007 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, 2007 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 A6 (370 Nm @ 1400 RPM) has 40 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3188 cc | 2698 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 178 HP |
| Engine RPM | 6500 RPM | 3300 RPM |
| Torque | 330 Nm | 370 Nm |
| Torque RPM | 3250 RPM | 1400 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 83.1 mm |
| Engine Compression Ratio | 12.5:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 254 km/hour | 225 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 8.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1695 kg |
| Vehicle Length | 4590 mm | 4940 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2950 mm |
| Fuel Consumption Overall | 10.6 L/100km | 7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
