2009 Audi A4 vs. 2005 Audi A3
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 A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 1,983 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 5900 RPM) has 104 more horse power than 2005 Audi A3. (113 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 230 kg more than 2005 Audi A3. 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 (300 Nm @ 2200 RPM) has 144 more torque (in Nm) than 2005 Audi A3. (156 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3.
Compare all specifications:
| 2009 Audi A4 | 2005 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 113 HP |
| Engine RPM | 5900 RPM | 5700 RPM |
| Torque | 300 Nm | 156 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 76.5 mm |
| Engine Stroke Size | 92.8 mm | 86.9 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 247 km/hour | 196 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 10.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1455 kg | 1225 kg |
| Vehicle Length | 4610 mm | 4210 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption Overall | 8.1 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
