2005 Mercedes-Benz SL vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra 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 5,999 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 51 more horse power than 2005 Mercedes-Benz SL. (302 HP @ 2700 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2005 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 816 kg more than 2005 Mercedes-Benz SL. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Sierra 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 GMC Sierra 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, 2009 GMC Sierra (506 Nm @ 4400 RPM) has 46 more torque (in Nm) than 2005 Mercedes-Benz SL. (460 Nm @ 2700 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz SL.
Compare all specifications:
| 2005 Mercedes-Benz SL | 2009 GMC Sierra | |
| Make | Mercedes-Benz | GMC |
| Model | SL | Sierra |
| Year Released | 2005 | 2009 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 2 valves |
| Horse Power | 302 HP | 353 HP |
| Engine RPM | 2700 RPM | 5400 RPM |
| Torque | 460 Nm | 506 Nm |
| Torque RPM | 2700 RPM | 4400 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1848 kg | 2664 kg |
| Vehicle Length | 4540 mm | 5710 mm |
| Vehicle Width | 1820 mm | 2040 mm |
| Vehicle Height | 1300 mm | 1940 mm |
| Wheelbase Size | 2570 mm | 3380 mm |
| Fuel Consumption Overall | 12.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 80 L | 129 L |
