2003 Audi A6 vs. 2005 Mercedes-Benz SL
To start off, 2005 Mercedes-Benz SL is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 5,441 cc (8 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (493 HP @ 4200 RPM) has 267 more horse power than 2003 Audi A6. (226 HP @ 5800 RPM) In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 259 kg more than 2003 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2003 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, 2005 Mercedes-Benz SL (700 Nm) has 390 more torque (in Nm) than 2003 Audi A6. (310 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2005 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SL |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 5441 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 226 HP | 493 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 310 Nm | 700 Nm |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1921 kg |
| Vehicle Length | 4800 mm | 4540 mm |
| Vehicle Width | 1820 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2570 mm |
| Fuel Consumption | 8.8 L/100km | 11.8 L/100km |
| Fuel Consumption City | 16.6 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 11.6 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
