2005 Audi S4 vs. 2006 Mercedes-Benz SL
To start off, 2006 Mercedes-Benz SL is newer by 1 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 5,506 cc (12 cylinders), 2006 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SL (493 HP @ 5000 RPM) has 153 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2006 Mercedes-Benz SL should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 145 kg more than 2006 Mercedes-Benz SL.
Let's talk about torque, 2006 Mercedes-Benz SL (800 Nm) has 390 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2006 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2006 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | SL |
| Year Released | 2005 | 2006 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5506 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 340 HP | 493 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 410 Nm | 800 Nm |
| Engine Bore Size | 85 mm | 82 mm |
| Engine Stroke Size | 93 mm | 87 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1695 kg |
| Vehicle Length | 4580 mm | 4540 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2570 mm |
| Fuel Consumption | 10.2 L/100km | 12.4 L/100km |
| Fuel Consumption City | 13.8 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
