2006 GMC Sierra vs. 2009 Mercedes-Benz R
To start off, 2009 Mercedes-Benz R is newer by 3 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 5,996 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (345 HP @ 5200 RPM) has 124 more horse power than 2009 Mercedes-Benz R. (221 HP @ 3800 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2009 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 180 kg more than 2009 Mercedes-Benz R. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2006 GMC Sierra (515 Nm @ 4000 RPM) has 5 more torque (in Nm) than 2009 Mercedes-Benz R. (510 Nm @ 2800 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz R.
Compare all specifications:
| 2006 GMC Sierra | 2009 Mercedes-Benz R | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | R |
| Year Released | 2006 | 2009 |
| Body Type | Pickup | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5996 cc | 2987 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 221 HP |
| Engine RPM | 5200 RPM | 3800 RPM |
| Torque | 515 Nm | 510 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Bore Size | 102 mm | 83 mm |
| Engine Stroke Size | 92 mm | 92 mm |
| Engine Compression Ratio | 9.2:1 | 17.7:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2478 kg | 2298 kg |
| Vehicle Length | 5850 mm | 5180 mm |
| Vehicle Width | 2000 mm | 1670 mm |
| Vehicle Height | 1910 mm | 1930 mm |
| Wheelbase Size | 3650 mm | 3220 mm |
| Fuel Consumption City | 18.1 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 98 L | 80 L |
