2005 GMC Sierra vs. 2008 Mercedes-Benz R
To start off, 2008 Mercedes-Benz R is newer by 3 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 6,208 cc (8 cylinders), 2008 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz R (503 HP) has 208 more horse power than 2005 GMC Sierra. (295 HP) In normal driving conditions, 2008 Mercedes-Benz R should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 60 kg more than 2005 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2005 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2008 Mercedes-Benz R 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 R (630 Nm) has 176 more torque (in Nm) than 2005 GMC Sierra. (454 Nm). This means 2008 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2005 GMC Sierra | 2008 Mercedes-Benz R | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | R |
| Year Released | 2005 | 2008 |
| Body Type | Pickup | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5359 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 503 HP |
| Torque | 454 Nm | 630 Nm |
| Engine Compression Ratio | 9.5:1 | 11.3:1 |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2315 kg | 2375 kg |
| Vehicle Length | 5850 mm | 5160 mm |
| Vehicle Width | 2000 mm | 1930 mm |
| Vehicle Height | 1810 mm | 1640 mm |
| Wheelbase Size | 3650 mm | 3220 mm |
| Fuel Consumption | 11.2 L/100km | 14.9 L/100km |
| Fuel Consumption City | 13.1 L/100km | 19.8 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 16.5 L/100km |
| Fuel Tank Capacity | 98 L | 80 L |
