2005 Audi A4 vs. 2006 Mercedes-Benz SLK
To start off, 2006 Mercedes-Benz SLK is newer by 1 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 2,496 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, both vehicles can yield 161 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 142 kg more than 2006 Mercedes-Benz SLK.
Because 2006 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 2006 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, 2005 Audi A4 (350 Nm @ 1500 RPM) has 120 more torque (in Nm) than 2006 Mercedes-Benz SLK. (230 Nm @ 2500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz SLK.
Compare all specifications:
| 2005 Audi A4 | 2006 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 161 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 350 Nm | 230 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Bore Size | 78.4 mm | 89.9 mm |
| Engine Stroke Size | 86.4 mm | 78.7 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.8 seconds | 7.9 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1510 kg | 1368 kg |
| Vehicle Length | 4550 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2410 mm |
| Fuel Consumption Overall | 6.8 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
