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 2,996 cc (6 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (228 HP @ 6100 RPM) has 27 more horse power than 2004 Audi A4. (201 HP @ 3500 RPM) In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2004 Audi A4.
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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 151 more torque (in Nm) than 2007 Mercedes-Benz SLK. (300 Nm @ 2700 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz SLK.
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 | 2967 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 228 HP |
| Engine RPM | 3500 RPM | 6100 RPM |
| Torque | 451 Nm | 300 Nm |
| Torque RPM | 1400 RPM | 2700 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4590 mm | 4090 mm |
| Vehicle Width | 1770 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2430 mm | 2440 mm |
| Fuel Consumption | 5.8 L/100km | 8.7 L/100km |
| Fuel Consumption City | 10.3 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 7.5 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
