2009 Audi A4 vs. 2004 Mercedes-Benz SLK
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SLK would be higher. At 3,199 cc (6 cylinders), 2004 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SLK (349 HP @ 4200 RPM) has 188 more horse power than 2009 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2004 Mercedes-Benz SLK should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 169 kg more than 2004 Mercedes-Benz SLK.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2009 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, 2004 Mercedes-Benz SLK (450 Nm) has 225 more torque (in Nm) than 2009 Audi A4. (225 Nm). This means 2004 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2004 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2009 | 2004 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3199 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 161 HP | 349 HP |
| Engine RPM | 5700 RPM | 4200 RPM |
| Torque | 225 Nm | 450 Nm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Acceleration 0-100mph | 9.5 seconds | 5.2 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1461 kg |
| Vehicle Length | 4580 mm | 4020 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2410 mm |
| Fuel Consumption Overall | 9.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 66 L | 62 L |
