2007 Audi A4 vs. 2009 Mercedes-Benz SLK
To start off, 2009 Mercedes-Benz SLK is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 3,498 cc (6 cylinders), 2009 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SLK (300 HP @ 6500 RPM) has 48 more horse power than 2007 Audi A4. (252 HP @ 5100 RPM) In normal driving conditions, 2009 Mercedes-Benz SLK should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 388 kg more than 2009 Mercedes-Benz SLK.
Let's talk about torque, 2009 Mercedes-Benz SLK (359 Nm @ 4900 RPM) has 29 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2009 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2009 Mercedes-Benz SLK has automatic transmission and 2007 Audi A4 has manual transmission. 2007 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2009 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3498 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 300 HP |
| Engine RPM | 5100 RPM | 6500 RPM |
| Torque | 330 Nm | 359 Nm |
| Torque RPM | 3250 RPM | 4900 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1698 kg | 1310 kg |
| Vehicle Length | 4580 mm | 4110 mm |
| Vehicle Width | 1400 mm | 1790 mm |
| Vehicle Height | 1780 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Consumption Overall | 11 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
