2008 GMC Sierra vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 1 year(s). Which means there will be less support and parts availability for 2008 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2008 GMC Sierra would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (382 HP @ 6000 RPM) has 187 more horse power than 2008 GMC Sierra. (195 HP @ 4600 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 689 kg more than 2008 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2008 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, 2009 Mercedes-Benz SL (530 Nm @ 2800 RPM) has 177 more torque (in Nm) than 2008 GMC Sierra. (353 Nm @ 2800 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Sierra.
Compare all specifications:
| 2008 GMC Sierra | 2009 Mercedes-Benz SL | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | SL |
| Year Released | 2008 | 2009 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4298 cc | 5461 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 195 HP | 382 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 353 Nm | 530 Nm |
| Torque RPM | 2800 RPM | 2800 RPM |
| Engine Compression Ratio | 9.2:1 | 10.7:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 3 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2141 kg | 2830 kg |
| Vehicle Length | 5710 mm | 4540 mm |
| Vehicle Width | 2040 mm | 1820 mm |
| Vehicle Height | 1880 mm | 1300 mm |
| Wheelbase Size | 3030 mm | 2570 mm |
| Fuel Consumption Overall | 13.1 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 98 L | 80 L |
