2009 GMC Sierra vs. 2007 Mercedes-Benz SL
To start off, 2009 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz SL would be higher. At 5,999 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SL (616 HP @ 4800 RPM) has 304 more horse power than 2009 GMC Sierra. (312 HP @ 4400 RPM) In normal driving conditions, 2007 Mercedes-Benz SL should accelerate faster than 2009 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz SL weights approximately 56 kg more than 2009 GMC Sierra. 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 GMC Sierra (506 Nm @ 4400 RPM) has 6 more torque (in Nm) than 2007 Mercedes-Benz SL. (500 Nm @ 1500 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz SL.
Compare all specifications:
| 2009 GMC Sierra | 2007 Mercedes-Benz SL | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | SL |
| Year Released | 2009 | 2007 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 5980 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 312 HP | 616 HP |
| Engine RPM | 4400 RPM | 4800 RPM |
| Torque | 506 Nm | 500 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Engine Compression Ratio | 10.8:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1894 kg | 1950 kg |
| Vehicle Length | 6580 mm | 4540 mm |
| Vehicle Width | 2440 mm | 1300 mm |
| Vehicle Height | 1940 mm | 1830 mm |
| Wheelbase Size | 4250 mm | 2570 mm |
| Fuel Consumption Overall | 11.8 L/100km | 18.6 L/100km |
| Fuel Tank Capacity | 129 L | 90 L |
