2007 GMC Sierra vs. 2003 Mercedes-Benz CLK
To start off, 2007 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz CLK. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz CLK would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 145 more horse power than 2003 Mercedes-Benz CLK. (167 HP @ 5750 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2003 Mercedes-Benz CLK. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 770 kg more than 2003 Mercedes-Benz CLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz CLK. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 261 more torque (in Nm) than 2003 Mercedes-Benz CLK. (245 Nm @ 3000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz CLK. 2007 GMC Sierra has automatic transmission and 2003 Mercedes-Benz CLK has manual transmission. 2003 Mercedes-Benz CLK will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 2003 Mercedes-Benz CLK | |
| Make | GMC | Mercedes-Benz |
| Model | Sierra | CLK |
| Year Released | 2007 | 2003 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 312 HP | 167 HP |
| Engine RPM | 4400 RPM | 5750 RPM |
| Torque | 506 Nm | 245 Nm |
| Torque RPM | 4400 RPM | 3000 RPM |
| Engine Bore Size | 102 mm | 82 mm |
| Engine Stroke Size | 92 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2435 kg | 1665 kg |
| Vehicle Length | 6580 mm | 4530 mm |
| Vehicle Width | 2440 mm | 1750 mm |
| Vehicle Height | 1940 mm | 1420 mm |
| Wheelbase Size | 4250 mm | 2720 mm |
| Fuel Tank Capacity | 129 L | 62 L |
