2007 Audi S3 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 S3. In addition, the cost of maintenance, including insurance, on 2007 Audi S3 would be higher. At 2,393 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi S3 (262 HP @ 6000 RPM) has 94 more horse power than 2009 Audi A4. (168 HP @ 6000 RPM). In normal driving conditions, 2007 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 145 kg more than 2007 Audi S3.
Because 2007 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, 2007 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, 2007 Audi S3 (350 Nm @ 2500 RPM) has 120 more torque (in Nm) than 2009 Audi A4. (230 Nm @ 3200 RPM). This means 2007 Audi S3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2007 Audi S3 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | S3 | A4 |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2393 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 262 HP | 168 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 350 Nm | 230 Nm |
| Torque RPM | 2500 RPM | 3200 RPM |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 219 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 9.7 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1455 kg | 1600 kg |
| Vehicle Length | 4210 mm | 4580 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
| Fuel Consumption Overall | 9.1 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
