2008 Audi S4 vs. 2011 Mercedes-Benz SLK
To start off, 2011 Mercedes-Benz SLK is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Audi S4. In addition, the cost of maintenance, including insurance, on 2008 Audi S4 would be higher. At 4,124 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (456 HP @ 6800 RPM) has 274 more horse power than 2011 Mercedes-Benz SLK. (182 HP @ 5250 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2011 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 460 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 2008 Audi S4 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, 2008 Audi S4 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, 2008 Audi S4 (302 Nm @ 3500 RPM) has 52 more torque (in Nm) than 2011 Mercedes-Benz SLK. (250 Nm @ 1800 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz SLK.
Compare all specifications:
| 2008 Audi S4 | 2011 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | SLK |
| Year Released | 2008 | 2011 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4124 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 456 HP | 182 HP |
| Engine RPM | 6800 RPM | 5250 RPM |
| Torque | 302 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 249 km/hour | 240 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1435 kg |
| Vehicle Length | 4580 mm | 4135 mm |
| Vehicle Width | 1400 mm | 1816 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2431 mm |
| Fuel Tank Capacity | 70 L | 60 L |
