2009 Audi A4 vs. 2007 Mercedes-Benz SLK
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz SLK would be higher. At 2,996 cc (6 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (228 HP @ 6100 RPM) has 41 more horse power than 2009 Audi A4. (187 HP @ 5700 RPM) In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2009 Audi A4.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 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, 2007 Mercedes-Benz SLK (300 Nm @ 2700 RPM) has 60 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 2007 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 | 2007 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 228 HP |
| Engine RPM | 5700 RPM | 6100 RPM |
| Torque | 240 Nm | 300 Nm |
| Torque RPM | 1950 RPM | 2700 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4550 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Consumption Overall | 9.4 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
