2009 Audi A4 vs. 2004 Volkswagen Passat
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Volkswagen Passat. In addition, the cost of maintenance, including insurance, on 2004 Volkswagen Passat would be higher. At 1,798 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Volkswagen Passat (170 HP @ 4000 RPM) has 12 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2004 Volkswagen Passat should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Volkswagen Passat weights approximately 575 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Audi A4 (250 Nm) has 25 more torque (in Nm) than 2004 Volkswagen Passat. (225 Nm). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Volkswagen Passat.
Compare all specifications:
| 2009 Audi A4 | 2004 Volkswagen Passat | |
| Make | Audi | Volkswagen |
| Model | A4 | Passat |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1786 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 158 HP | 170 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 250 Nm | 225 Nm |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 84.1 mm | 86 mm |
| Engine Compression Ratio | 9.6:1 | 9.3:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 895 kg | 1470 kg |
| Vehicle Length | 4710 mm | 4710 mm |
| Vehicle Width | 2010 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2710 mm |
| Fuel Consumption Overall | 7.1 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 65 L | 62 L |
