2009 Audi A4 vs. 2005 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 2,697 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 3500 RPM) has 39 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. 2009 Audi A4 weights approximately 270 kg more than 2005 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 (400 Nm @ 1400 RPM) has 190 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:
| 2009 Audi A4 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A4 | A4 |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2697 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 187 HP | 148 HP |
| Engine RPM | 3500 RPM | 5700 RPM |
| Torque | 400 Nm | 210 Nm |
| Torque RPM | 1400 RPM | 1750 RPM |
| Engine Bore Size | 82.6 mm | 81.1 mm |
| Engine Stroke Size | 84.1 mm | 86.4 mm |
| Engine Compression Ratio | 17.5:1 | 9.3:1 |
| Acceleration 0-100mph | 8.3 seconds | 9.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1375 kg |
| Vehicle Length | 4710 mm | 4550 mm |
| Vehicle Width | 1830 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2660 mm |
| Fuel Consumption Overall | 6.5 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 65 L | 70 L |
