2009 Audi A4 vs. 2009 Audi A3
To start off, both 2009 Audi A4 and 2009 Audi A3 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,196 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (265 HP @ 6500 RPM) has 68 more horse power than 2009 Audi A3. (197 HP @ 5100 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A3 weights approximately 455 kg more than 2009 Audi A4.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A3. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. 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 (330 Nm @ 3000 RPM) has 50 more torque (in Nm) than 2009 Audi A3. (280 Nm @ 1800 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2009 Audi A4 | 2009 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 1982 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 197 HP |
| Engine RPM | 6500 RPM | 5100 RPM |
| Torque | 330 Nm | 280 Nm |
| Torque RPM | 3000 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1030 kg | 1485 kg |
| Vehicle Length | 4710 mm | 4290 mm |
| Vehicle Width | 1840 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2820 mm | 2580 mm |
| Fuel Consumption Overall | 8.3 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
