2004 Audi A6 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 5 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 4,179 cc (8 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (328 HP) has 28 more horse power than 2004 Audi A6. (300 HP) In normal driving conditions, 2009 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 175 kg more than 2009 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2009 Audi A4 (440 Nm) has 39 more torque (in Nm) than 2004 Audi A6. (401 Nm). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4179 cc | 2995 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 300 HP | 328 HP |
| Torque | 401 Nm | 440 Nm |
| Engine Bore Size | 84 mm | 84.6 mm |
| Engine Stroke Size | 93 mm | 89 mm |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1825 kg | 1650 kg |
| Vehicle Length | 4920 mm | 4720 mm |
| Vehicle Width | 1940 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2820 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.7 L/100km |
