2009 Audi A6 vs. 2004 Mercedes-Benz SL
To start off, 2009 Audi A6 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SL would be higher. At 4,966 cc (8 cylinders), 2004 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SL (302 HP @ 4200 RPM) has 81 more horse power than 2009 Audi A6. (221 HP @ 4000 RPM) In normal driving conditions, 2004 Mercedes-Benz SL should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz SL weights approximately 953 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Mercedes-Benz SL is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 Mercedes-Benz SL (460 Nm) has 10 more torque (in Nm) than 2009 Audi A6. (450 Nm). This means 2004 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2004 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SL |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 221 HP | 302 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 450 Nm | 460 Nm |
| Engine Bore Size | 83 mm | 97 mm |
| Engine Stroke Size | 91.4 mm | 84 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 895 kg | 1848 kg |
| Vehicle Length | 4920 mm | 4540 mm |
| Vehicle Width | 2020 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2850 mm | 2570 mm |
| Fuel Tank Capacity | 80 L | 80 L |
