2005 Audi S4 vs. 2007 Mercedes-Benz SLK
To start off, 2007 Mercedes-Benz SLK is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 5,439 cc (8 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (355 HP @ 6000 RPM) has 15 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 600 kg more than 2007 Mercedes-Benz SLK.
Let's talk about torque, 2007 Mercedes-Benz SLK (511 Nm) has 101 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2007 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | SLK |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5439 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 340 HP | 355 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 410 Nm | 511 Nm |
| Engine Bore Size | 85 mm | 98 mm |
| Engine Stroke Size | 93 mm | 90.5 mm |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1240 kg |
| Vehicle Length | 4580 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Consumption | 10.2 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
