2005 Audi A8 vs. 2011 Mercedes-Benz SLK
To start off, 2011 Mercedes-Benz SLK is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 3,697 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (271 HP @ 6000 RPM) has 89 more horse power than 2011 Mercedes-Benz SLK. (182 HP @ 5250 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2011 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 335 kg more than 2011 Mercedes-Benz SLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 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, 2005 Audi A8 (360 Nm @ 3250 RPM) has 110 more torque (in Nm) than 2011 Mercedes-Benz SLK. (250 Nm @ 1800 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz SLK.
Compare all specifications:
| 2005 Audi A8 | 2011 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | SLK |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 271 HP | 182 HP |
| Engine RPM | 6000 RPM | 5250 RPM |
| Torque | 360 Nm | 250 Nm |
| Torque RPM | 3250 RPM | 1800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 8.9 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 | 1770 kg | 1435 kg |
| Vehicle Length | 5060 mm | 4135 mm |
| Vehicle Width | 1900 mm | 1816 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2431 mm |
| Fuel Tank Capacity | 90 L | 60 L |
