2005 Mercedes-Benz SL vs. 2009 Audi A5
To start off, 2009 Audi A5 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SL 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 232 more horse power than 2009 Audi A5. (261 HP @ 6500 RPM). In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 385 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A5 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, 2009 Audi A5 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 370 more torque (in Nm) than 2009 Audi A5. (330 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2005 Mercedes-Benz SL | 2009 Audi A5 | |
| Make | Mercedes-Benz | Audi |
| Model | SL | A5 |
| Year Released | 2005 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5441 cc | 3197 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 493 HP | 261 HP |
| Engine RPM | 4200 RPM | 6500 RPM |
| Torque | 700 Nm | 330 Nm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1921 kg | 1536 kg |
| Vehicle Length | 4540 mm | 4630 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2570 mm | 2760 mm |
| Fuel Consumption Overall | 14.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 80 L | 64 L |
