2003 Audi A6 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 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 456 more horse power than 2003 Audi A6. (149 HP) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 1290 kg more than 2003 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A6 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, 2003 Audi A6 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 765 more torque (in Nm) than 2003 Audi A6. (235 Nm). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2009 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SL |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 5980 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 149 HP | 605 HP |
| Torque | 235 Nm | 1000 Nm |
| Engine Bore Size | 81 mm | 82.6 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1540 kg | 2830 kg |
| Vehicle Length | 4800 mm | 4540 mm |
| Vehicle Width | 1820 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2570 mm |
| Fuel Tank Capacity | 70 L | 80 L |
