2009 Audi A6 vs. 2004 Mercedes-Benz SL
To start off, 2009 Audi A6 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SL would be higher. At 3,722 cc (6 cylinders), 2004 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (300 HP @ 5100 RPM) has 58 more horse power than 2004 Mercedes-Benz SL. (242 HP @ 5600 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2004 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz SL weights approximately 860 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 2009 Audi A6 (420 Nm @ 2500 RPM) has 70 more torque (in Nm) than 2004 Mercedes-Benz SL. (350 Nm @ 3000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercedes-Benz SL.
Compare all specifications:
| 2009 Audi A6 | 2004 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SL |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 3722 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 300 HP | 242 HP |
| Engine RPM | 5100 RPM | 5600 RPM |
| Torque | 420 Nm | 350 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 895 kg | 1755 kg |
| Vehicle Length | 4930 mm | 4540 mm |
| Vehicle Width | 2040 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2850 mm | 2570 mm |
| Fuel Consumption Overall | 11.2 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
