2008 Audi A6 vs. 2005 Mercedes-Benz SLK
To start off, 2008 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SLK would be higher. At 3,491 cc (6 cylinders), 2005 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SLK (269 HP @ 4200 RPM) has 14 more horse power than 2008 Audi A6. (255 HP @ 6500 RPM) In normal driving conditions, 2005 Mercedes-Benz SLK should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 345 kg more than 2005 Mercedes-Benz SLK.
Because 2005 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 2005 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2005 Mercedes-Benz SLK (350 Nm) has 19 more torque (in Nm) than 2008 Audi A6. (331 Nm). This means 2005 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2005 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SLK |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3101 cc | 3491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 269 HP |
| Engine RPM | 6500 RPM | 4200 RPM |
| Torque | 331 Nm | 350 Nm |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1405 kg |
| Vehicle Length | 4920 mm | 4090 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2850 mm | 2440 mm |
| Fuel Consumption Overall | 9.7 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
