2009 Audi A8 vs. 2006 Mercedes-Benz SLK
To start off, 2009 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz SLK would be higher. At 5,439 cc (8 cylinders), 2006 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SLK (355 HP @ 5750 RPM) has 148 more horse power than 2009 Audi A8. (207 HP @ 5500 RPM) In normal driving conditions, 2006 Mercedes-Benz SLK should accelerate faster than 2009 Audi A8.
Because 2006 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 2006 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A8, 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, 2006 Mercedes-Benz SLK (511 Nm @ 4000 RPM) has 231 more torque (in Nm) than 2009 Audi A8. (280 Nm @ 3000 RPM). This means 2006 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2006 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | SLK |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2772 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 207 HP | 355 HP |
| Engine RPM | 5500 RPM | 5750 RPM |
| Torque | 280 Nm | 511 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 82.4 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 238 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1690 kg |
| Vehicle Length | 5070 mm | 4090 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1280 mm |
| Wheelbase Size | 2950 mm | 2410 mm |
| Fuel Consumption Overall | 8.3 L/100km | 13 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
