2005 Audi S4 vs. 2013 Mercedes-Benz SLS
To start off, 2013 Mercedes-Benz SLS is newer by 8 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 6,300 cc (8 cylinders), 2013 Mercedes-Benz SLS is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SLS (575 HP @ 6800 RPM) has 235 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2013 Mercedes-Benz SLS should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 217 kg more than 2013 Mercedes-Benz SLS.
Let's talk about torque, 2013 Mercedes-Benz SLS (649 Nm) has 239 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2013 Mercedes-Benz SLS will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2013 Mercedes-Benz SLS | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | SLS |
| Year Released | 2005 | 2013 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4161 cc | 6300 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 575 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 410 Nm | 649 Nm |
| Engine Bore Size | 85 mm | 102 mm |
| Engine Stroke Size | 93 mm | 94 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1623 kg |
| Vehicle Length | 4580 mm | 4638 mm |
| Vehicle Width | 1780 mm | 2078 mm |
| Vehicle Height | 1400 mm | 1262 mm |
| Wheelbase Size | 2660 mm | 2680 mm |
| Fuel Consumption | 10.2 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
