2005 Audi A4 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (200 HP @ 5100 RPM) has 52 more horse power than 2005 Audi A4. (148 HP @ 5700 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 345 kg more than 2009 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, 2009 Audi A4 (281 Nm @ 1800 RPM) has 71 more torque (in Nm) than 2005 Audi A4. (210 Nm @ 1750 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A4 | A4 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 148 HP | 200 HP |
| Engine RPM | 5700 RPM | 5100 RPM |
| Torque | 210 Nm | 281 Nm |
| Torque RPM | 1750 RPM | 1800 RPM |
| Engine Bore Size | 81.1 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1375 kg | 1030 kg |
| Vehicle Length | 4550 mm | 4580 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 8.2 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
