2004 Audi A4 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 2 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 2,496 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (162 HP @ 1950 RPM) has 2 more horse power than 2004 Audi A4. (160 HP @ 4000 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 20 kg more than 2006 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2004 Audi A4 (310 Nm @ 1400 RPM) has 85 more torque (in Nm) than 2006 Audi A4. (225 Nm @ 1950 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A4 | A4 |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 160 HP | 162 HP |
| Engine RPM | 4000 RPM | 1950 RPM |
| Torque | 310 Nm | 225 Nm |
| Torque RPM | 1400 RPM | 1950 RPM |
| Engine Bore Size | 78.4 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 18.0:1 | 9.3:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 8.9 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1510 kg |
| Vehicle Length | 4590 mm | 4550 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2660 mm |
| Fuel Consumption Overall | 6.8 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
