2007 Audi S3 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL 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 5,980 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (605 HP) has 343 more horse power than 2007 Audi S3. (262 HP) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2007 Audi S3. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 1375 kg more than 2007 Audi S3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz SL. 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, 2009 Mercedes-Benz SL (1,000 Nm) has 650 more torque (in Nm) than 2007 Audi S3. (350 Nm). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S3.
Compare all specifications:
| 2007 Audi S3 | 2009 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | S3 | SL |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5980 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 262 HP | 605 HP |
| Torque | 350 Nm | 1000 Nm |
| Engine Bore Size | 82.5 mm | 82.6 mm |
| Engine Stroke Size | 92.8 mm | 93 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1455 kg | 2830 kg |
| Vehicle Length | 4210 mm | 4540 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1410 mm | 1300 mm |
| Wheelbase Size | 2580 mm | 2570 mm |
| Fuel Consumption Overall | 9.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 60 L | 80 L |
