2009 Mercedes-Benz SL vs. 2005 Mercedes-Benz C
To start off, 2009 Mercedes-Benz SL is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (382 HP @ 6000 RPM) has 241 more horse power than 2005 Mercedes-Benz C. (141 HP @ 4200 RPM). In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 1260 kg more than 2005 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Mercedes-Benz SL (530 Nm @ 2800 RPM) has 215 more torque (in Nm) than 2005 Mercedes-Benz C. (315 Nm @ 1800 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C.
Compare all specifications:
| 2009 Mercedes-Benz SL | 2005 Mercedes-Benz C | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | SL | C |
| Year Released | 2009 | 2005 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5461 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 382 HP | 141 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 530 Nm | 315 Nm |
| Torque RPM | 2800 RPM | 1800 RPM |
| Engine Compression Ratio | 10.7:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2830 kg | 1570 kg |
| Vehicle Length | 4540 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1730 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2570 mm | 2920 mm |
| Fuel Consumption Overall | 14.7 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 80 L | 62 L |
