2005 Audi A4 vs. 2011 Mercedes-Benz SLK
To start off, 2011 Mercedes-Benz SLK is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,000 cc (6 cylinders), 2011 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz SLK (228 HP @ 6000 RPM) has 67 more horse power than 2005 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2011 Mercedes-Benz SLK should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 135 kg more than 2011 Mercedes-Benz SLK.
Because 2005 Audi A4 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, 2005 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, 2011 Mercedes-Benz SLK (299 Nm @ 2500 RPM) has 74 more torque (in Nm) than 2005 Audi A4. (225 Nm @ 1950 RPM). This means 2011 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2011 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 228 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 225 Nm | 299 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1455 kg |
| Vehicle Length | 4580 mm | 4102 mm |
| Vehicle Width | 1780 mm | 1788 mm |
| Vehicle Height | 1400 mm | 1298 mm |
| Wheelbase Size | 2660 mm | 2431 mm |
| Fuel Tank Capacity | 66 L | 70 L |
