2007 Audi A4 vs. 2008 Mercedes-Benz SLK
To start off, 2008 Mercedes-Benz SLK is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 2,967 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SLK weights approximately 115 kg more than 2007 Audi A4.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2007 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 Audi A4 (450 Nm @ 1400 RPM) has 210 more torque (in Nm) than 2008 Mercedes-Benz SLK. (240 Nm @ 3000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz SLK.
Compare all specifications:
| 2007 Audi A4 | 2008 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1795 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 0 HP |
| Torque | 450 Nm | 240 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 90 mm |
| Engine Stroke Size | 91.4 mm | 78.7 mm |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 7.5 seconds | 8.2 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 | 1275 kg | 1390 kg |
| Vehicle Length | 4590 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Consumption Overall | 7.6 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
