2004 Audi A4 vs. 2007 Mercedes-Benz SLK
To start off, 2007 Mercedes-Benz SLK is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 5,441 cc (8 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (400 HP @ 5750 RPM) has 203 more horse power than 2004 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz SLK weights approximately 425 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2004 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, 2007 Mercedes-Benz SLK (706 Nm @ 3750 RPM) has 426 more torque (in Nm) than 2004 Audi A4. (280 Nm @ 1800 RPM). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2007 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5441 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 197 HP | 400 HP |
| Engine RPM | 5100 RPM | 5750 RPM |
| Torque | 280 Nm | 706 Nm |
| Torque RPM | 1800 RPM | 3750 RPM |
| Engine Bore Size | 82.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Top Speed | 235 km/hour | 280 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 4.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1535 kg | 1960 kg |
| Vehicle Length | 4590 mm | 4540 mm |
| Vehicle Width | 1780 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2470 mm | 2570 mm |
| Fuel Consumption | 7.4 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 9.6 L/100km | 13.5 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
