2007 GMC Sierra vs. 2005 Mercedes-Benz R
To start off, 2007 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz R would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (302 HP @ 4200 RPM) has 2 more horse power than 2007 GMC Sierra. (300 HP @ 4400 RPM) In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 2007 GMC Sierra.
Let's talk about torque, 2007 GMC Sierra (488 Nm @ 4000 RPM) has 27 more torque (in Nm) than 2005 Mercedes-Benz R. (461 Nm @ 2700 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz R.
Compare all specifications:
| 2007 GMC Sierra | 2005 Mercedes-Benz R | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | R |
| Year Released | 2007 | 2005 |
| Body Type | Pickup | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 300 HP | 302 HP |
| Engine RPM | 4400 RPM | 4200 RPM |
| Torque | 488 Nm | 461 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Engine Bore Size | 102 mm | 97 mm |
| Engine Stroke Size | 92 mm | 84 mm |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Length | 6330 mm | 5160 mm |
| Vehicle Width | 2450 mm | 1930 mm |
| Vehicle Height | 1940 mm | 1660 mm |
| Wheelbase Size | 4010 mm | 2860 mm |
| Fuel Tank Capacity | 129 L | 80 L |
