2006 Audi A4 vs. 2008 Mercedes-Benz SLK
To start off, 2008 Mercedes-Benz SLK is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 2,996 cc (6 cylinders), 2008 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SLK (228 HP @ 6000 RPM) has 8 more horse power than 2006 Audi A4. (220 HP @ 6300 RPM) In normal driving conditions, 2008 Mercedes-Benz SLK should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 324 kg more than 2008 Mercedes-Benz SLK.
Because 2006 Audi A4 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, 2006 Audi A4 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2006 Audi A4 | 2008 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2006 | 2008 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 228 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 82.5 mm | 88 mm |
| Engine Stroke Size | 92.8 mm | 82.1 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 241 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1770 kg | 1446 kg |
| Vehicle Length | 4580 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Consumption City | 13.1 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
