2009 Mercedes-Benz SLK vs. 2007 Audi A6
To start off, 2009 Mercedes-Benz SLK is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 5,439 cc (8 cylinders), 2009 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SLK (355 HP @ 5750 RPM) has 103 more horse power than 2007 Audi A6. (252 HP @ 6500 RPM). In normal driving conditions, 2009 Mercedes-Benz SLK should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 35 kg more than 2009 Mercedes-Benz SLK.
Because 2009 Mercedes-Benz SLK 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 SLK. However, in wet, icy, snow, or gravel driving conditions, 2007 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 SLK (510 Nm @ 4000 RPM) has 180 more torque (in Nm) than 2007 Audi A6. (330 Nm @ 3250 RPM). This means 2009 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2009 Mercedes-Benz SLK | 2007 Audi A6 | |
| Make | Mercedes-Benz | Audi |
| Model | SLK | A6 |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5439 cc | 3121 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 5 valves |
| Horse Power | 355 HP | 252 HP |
| Engine RPM | 5750 RPM | 6500 RPM |
| Torque | 510 Nm | 330 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 97 mm | 84.5 mm |
| Engine Stroke Size | 92 mm | 92.8 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1240 kg | 1275 kg |
| Vehicle Length | 4110 mm | 4800 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1290 mm | 1460 mm |
| Wheelbase Size | 2440 mm | 2770 mm |
| Fuel Consumption Overall | 13.8 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
