2006 Audi A6 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 Audi A6 would be higher. At 6,208 cc (8 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (518 HP @ 6800 RPM) has 263 more horse power than 2006 Audi A6. (255 HP @ 6500 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 1320 kg more than 2006 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2009 Mercedes-Benz SL (631 Nm @ 5200 RPM) has 301 more torque (in Nm) than 2006 Audi A6. (330 Nm @ 3250 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 2009 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SL |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3130 cc | 6208 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 518 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 330 Nm | 631 Nm |
| Torque RPM | 3250 RPM | 5200 RPM |
| Engine Compression Ratio | 13.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1510 kg | 2830 kg |
| Vehicle Length | 4920 mm | 4540 mm |
| Vehicle Width | 2020 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2850 mm | 2570 mm |
| Fuel Consumption | 8.7 L/100km | 12.4 L/100km |
| Fuel Consumption City | 12.4 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
