2009 Audi A3 vs. 2008 Audi A4
To start off, 2009 Audi A3 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 1,984 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (200 HP @ 5100 RPM) has 3 more horse power than 2008 Audi A4. (197 HP @ 5100 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 460 kg more than 2009 Audi A3.
Because 2008 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, 2008 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 A3 (281 Nm @ 1800 RPM) has 1 more torque (in Nm) than 2008 Audi A4. (280 Nm @ 1800 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2009 Audi A3 | 2008 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2009 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 197 HP |
| Engine RPM | 5100 RPM | 5100 RPM |
| Torque | 281 Nm | 280 Nm |
| Torque RPM | 1800 RPM | 1800 RPM |
| Engine Bore Size | 82.6 mm | 82.6 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1030 kg | 1490 kg |
| Vehicle Length | 4290 mm | 4590 mm |
| Vehicle Width | 1970 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2650 mm |
| Fuel Consumption Overall | 9.8 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
