2003 GMC Sierra vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 4 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 6,208 cc (8 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (503 HP) has 228 more horse power than 2003 GMC Sierra. (275 HP) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 2003 GMC Sierra.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2003 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Mercedes-Benz R (632 Nm) has 246 more torque (in Nm) than 2003 GMC Sierra. (386 Nm). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Sierra. 2007 Mercedes-Benz R has automatic transmission and 2003 GMC Sierra has manual transmission. 2003 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 GMC Sierra | 2007 Mercedes-Benz R | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | R |
| Year Released | 2003 | 2007 |
| Body Type | Pickup | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4816 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 275 HP | 503 HP |
| Torque | 386 Nm | 632 Nm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 3 seats | 6 seats |
| Vehicle Length | 5650 mm | 5160 mm |
| Vehicle Width | 2000 mm | 1930 mm |
| Vehicle Height | 1810 mm | 1670 mm |
| Wheelbase Size | 3380 mm | 3220 mm |
