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 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 72 more horse power than 2007 Mercedes-Benz SLK. (268 HP @ 5750 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2007 Mercedes-Benz SLK.
Let's talk about torque, 2007 Mercedes-Benz SLK (510 Nm) has 100 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 | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 340 HP | 268 HP |
| Engine RPM | 6300 RPM | 5750 RPM |
| Torque | 410 Nm | 510 Nm |
| Engine Bore Size | 85.1 mm | 97 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Consumption Highway | 11.2 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 12 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
