2005 Audi A4 vs. 2007 Mercedes-Benz SLK
To start off, 2007 Mercedes-Benz SLK is newer by 2 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 2,391 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (168 HP @ 6000 RPM) has 7 more horse power than 2007 Mercedes-Benz SLK. (161 HP @ 5300 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2007 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 130 kg more than 2007 Mercedes-Benz SLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz SLK is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 230 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:
| 2005 Audi A4 | 2007 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 168 HP | 161 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 230 Nm | 230 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 77.4 mm | 78.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.1 seconds | 7.9 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1365 kg |
| Vehicle Length | 4550 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2580 mm | 2410 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
