2006 GMC Sierra vs. 2008 Mercedes-Benz CLS
To start off, 2008 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,439 cc (8 cylinders), 2008 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz CLS (470 HP @ 6100 RPM) has 175 more horse power than 2006 GMC Sierra. (295 HP @ 5200 RPM) In normal driving conditions, 2008 Mercedes-Benz CLS should accelerate faster than 2006 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 739 kg more than 2008 Mercedes-Benz CLS.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2006 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, 2008 Mercedes-Benz CLS (700 Nm @ 2650 RPM) has 246 more torque (in Nm) than 2006 GMC Sierra. (454 Nm @ 4000 RPM). This means 2008 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 2006 GMC Sierra | 2008 Mercedes-Benz CLS | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | CLS |
| Year Released | 2006 | 2008 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5326 cc | 5439 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 295 HP | 470 HP |
| Engine RPM | 5200 RPM | 6100 RPM |
| Torque | 454 Nm | 700 Nm |
| Torque RPM | 4000 RPM | 2650 RPM |
| Engine Bore Size | 96 mm | 97 mm |
| Engine Stroke Size | 92 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2659 kg | 1920 kg |
| Vehicle Length | 6330 mm | 4920 mm |
| Vehicle Width | 2000 mm | 1880 mm |
| Vehicle Height | 1880 mm | 1400 mm |
| Wheelbase Size | 4010 mm | 2860 mm |
| Fuel Consumption Overall | 14.7 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 129 L | 80 L |
