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 3,197 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (261 HP @ 6500 RPM) has 64 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 A4 weights approximately 185 kg more than 2009 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 (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. 2009 Audi A3 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2009 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2009 | 2009 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 197 HP |
| Engine RPM | 6500 RPM | 5100 RPM |
| Torque | 330 Nm | 280 Nm |
| Torque RPM | 3000 RPM | 1800 RPM |
| Engine Bore Size | 84.6 mm | 82.6 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.4 seconds | 6.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1630 kg | 1445 kg |
| Vehicle Length | 4710 mm | 4220 mm |
| Vehicle Width | 1830 mm | 1770 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2580 mm |
| Fuel Consumption Overall | 9.1 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 64 L | 55 L |
