2009 Audi A4 vs. 2008 Mercedes-Benz SLK
To start off, 2009 Audi A4 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 5,439 cc (8 cylinders), 2008 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SLK (355 HP @ 5750 RPM) has 90 more horse power than 2009 Audi A4. (265 HP @ 6500 RPM) In normal driving conditions, 2008 Mercedes-Benz SLK should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SLK weights approximately 210 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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, 2009 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, 2008 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 180 more torque (in Nm) than 2009 Audi A4. (330 Nm @ 3000 RPM). This means 2008 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2008 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 265 HP | 355 HP |
| Engine RPM | 6500 RPM | 5750 RPM |
| Torque | 330 Nm | 510 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 97.1 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1030 kg | 1240 kg |
| Vehicle Length | 4710 mm | 4090 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2820 mm | 2440 mm |
| Fuel Consumption Overall | 8.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
