2009 GMC Sierra vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 3 year(s). Which means there will be less support and parts availability for 2009 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2009 GMC Sierra would be higher. At 6,199 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (403 HP @ 5700 RPM) has 1 more horse power than 2012 Mercedes-Benz CLS. (402 HP @ 5000 RPM). In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2012 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 924 kg more than 2012 Mercedes-Benz CLS. 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 2012 Mercedes-Benz CLS. 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 35 more torque (in Nm) than 2009 GMC Sierra. (565 Nm @ 4300 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Sierra.
Compare all specifications:
| 2009 GMC Sierra | 2012 Mercedes-Benz CLS | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | CLS |
| Year Released | 2009 | 2012 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6199 cc | 4663 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 403 HP | 402 HP |
| Engine RPM | 5700 RPM | 5000 RPM |
| Torque | 565 Nm | 600 Nm |
| Torque RPM | 4300 RPM | 1800 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2659 kg | 1735 kg |
| Vehicle Length | 5850 mm | 4940 mm |
| Vehicle Width | 2040 mm | 1882 mm |
| Vehicle Height | 1880 mm | 1417 mm |
| Wheelbase Size | 3650 mm | 2875 mm |
| Fuel Tank Capacity | 98 L | 80 L |
