2008 Audi A4 vs. 2006 Mercedes-Benz SLK
To start off, 2008 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz SLK would be higher. At 2,996 cc (6 cylinders), 2006 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SLK (228 HP @ 6000 RPM) has 6 more horse power than 2008 Audi A4. (222 HP @ 4000 RPM) In normal driving conditions, 2006 Mercedes-Benz SLK should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SLK weights approximately 110 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A4 (451 Nm @ 1400 RPM) has 151 more torque (in Nm) than 2006 Mercedes-Benz SLK. (300 Nm @ 2500 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz SLK.
Compare all specifications:
| 2008 Audi A4 | 2006 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 222 HP | 228 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 451 Nm | 300 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 88 mm |
| Engine Stroke Size | 91.4 mm | 82.1 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 235 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1720 kg |
| Vehicle Length | 4550 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2410 mm |
| Fuel Consumption Overall | 7.6 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
