2003 GMC Sierra vs. 2008 Mercedes-Benz S
To start off, 2008 Mercedes-Benz S is newer by 5 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 6,207 cc (8 cylinders), 2008 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz S (518 HP @ 6800 RPM) has 197 more horse power than 2003 GMC Sierra. (321 HP @ 5000 RPM) In normal driving conditions, 2008 Mercedes-Benz S should accelerate faster than 2003 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 315 kg more than 2008 Mercedes-Benz S.
Because 2003 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2003 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 S (631 Nm @ 5200 RPM) has 261 more torque (in Nm) than 2003 GMC Sierra. (370 Nm @ 4000 RPM). This means 2008 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2003 GMC Sierra.
Compare all specifications:
| 2003 GMC Sierra | 2008 Mercedes-Benz S | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | S |
| Year Released | 2003 | 2008 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 6207 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 518 HP |
| Engine RPM | 5000 RPM | 6800 RPM |
| Torque | 370 Nm | 631 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2270 kg | 1955 kg |
| Vehicle Length | 5790 mm | 5080 mm |
| Vehicle Width | 2000 mm | 1480 mm |
| Vehicle Height | 1850 mm | 1880 mm |
| Wheelbase Size | 3650 mm | 3170 mm |
| Fuel Consumption Overall | 13.1 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 117 L | 90 L |
