2009 Audi A4 vs. 2006 Mercedes-Benz SL
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz SL 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 276 more horse power than 2009 Audi A4. (217 HP @ 6300 RPM) In normal driving conditions, 2006 Mercedes-Benz SL should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SL weights approximately 105 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz SL is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Mercedes-Benz SL. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Mercedes-Benz SL (800 Nm @ 1800 RPM) has 500 more torque (in Nm) than 2009 Audi A4. (300 Nm @ 3200 RPM). This means 2006 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2006 Mercedes-Benz SL has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2006 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SL |
| Year Released | 2009 | 2006 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 5506 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 217 HP | 493 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 300 Nm | 800 Nm |
| Torque RPM | 3200 RPM | 1800 RPM |
| Engine Bore Size | 82.6 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 87 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.8 seconds | 5.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1590 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 Overall | 9.9 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
