2007 Audi A3 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A3. In addition, the cost of maintenance, including insurance, on 2007 Audi A3 would be higher. At 3,187 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 89 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM). In normal driving conditions, 2007 Audi A3 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A3 weights approximately 565 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 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, 2007 Audi A3 (320 Nm @ 2800 RPM) has 70 more torque (in Nm) than 2009 Audi A4. (250 Nm @ 1500 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2009 Audi A4 has automatic transmission and 2007 Audi A3 has manual transmission. 2007 Audi A3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A3 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3187 cc | 1798 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 158 HP |
| Engine RPM | 6300 RPM | 4500 RPM |
| Torque | 320 Nm | 250 Nm |
| Torque RPM | 2800 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 95.9 mm | 84.1 mm |
| Engine Compression Ratio | 11.3:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 218 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 8.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1495 kg | 930 kg |
| Vehicle Length | 4210 mm | 4710 mm |
| Vehicle Width | 1770 mm | 2010 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2810 mm |
| Fuel Consumption Overall | 10.6 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 60 L | 65 L |
