2009 Audi A8 vs. 2008 Mercedes-Benz SLK
To start off, 2009 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz SLK would be higher. At 3,123 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SLK weights approximately 230 kg more than 2009 Audi A8.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (330 Nm @ 3250 RPM) has 90 more torque (in Nm) than 2008 Mercedes-Benz SLK. (240 Nm @ 5000 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz SLK.
Compare all specifications:
| 2009 Audi A8 | 2008 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | SLK |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1795 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 0 HP |
| Torque | 330 Nm | 240 Nm |
| Torque RPM | 3250 RPM | 5000 RPM |
| Engine Compression Ratio | 13.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 231 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 8.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1390 kg |
| Vehicle Length | 5060 mm | 4100 mm |
| Vehicle Height | 1450 mm | 1780 mm |
| Wheelbase Size | 2950 mm | 2440 mm |
| Fuel Consumption Overall | 11 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
