2009 Audi A6 vs. 2012 Mercedes-Benz SLK
To start off, 2012 Mercedes-Benz SLK is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 would be higher. At 5,204 cc (10 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (430 HP @ 6800 RPM) has 248 more horse power than 2012 Mercedes-Benz SLK. (182 HP @ 5250 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2012 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 475 kg more than 2012 Mercedes-Benz SLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2012 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2009 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 Audi A6 (540 Nm @ 3000 RPM) has 290 more torque (in Nm) than 2012 Mercedes-Benz SLK. (250 Nm @ 1800 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2012 Mercedes-Benz SLK.
Compare all specifications:
| 2009 Audi A6 | 2012 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SLK |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1796 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 430 HP | 182 HP |
| Engine RPM | 6800 RPM | 5250 RPM |
| Torque | 540 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 1800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1435 kg |
| Vehicle Length | 4920 mm | 4135 mm |
| Vehicle Width | 1870 mm | 1816 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2850 mm | 2431 mm |
| Fuel Tank Capacity | 80 L | 60 L |
