2009 Audi A4 vs. 2006 Audi S3
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi S3. In addition, the cost of maintenance, including insurance, on 2006 Audi S3 would be higher. At 1,968 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi S3 (222 HP @ 5900 RPM) has 84 more horse power than 2009 Audi A4. (138 HP @ 4000 RPM) In normal driving conditions, 2006 Audi S3 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 4 kg more than 2006 Audi S3.
Because 2006 Audi S3 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, 2006 Audi S3 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 (320 Nm @ 1750 RPM) has 40 more torque (in Nm) than 2006 Audi S3. (280 Nm @ 2200 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S3.
Compare all specifications:
| 2009 Audi A4 | 2006 Audi S3 | |
| Make | Audi | Audi |
| Model | A4 | S3 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 138 HP | 222 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 320 Nm | 280 Nm |
| Torque RPM | 1750 RPM | 2200 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 86.4 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Top Speed | 212 km/hour | 243 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 6.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1434 kg | 1430 kg |
| Wheelbase Size | 2650 mm | 2530 mm |
| Fuel Consumption Overall | 5.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
