2005 GMC Sierra vs. 2007 Saturn Sky
To start off, 2007 Saturn Sky is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,964 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (340 HP @ 5200 RPM) has 80 more horse power than 2007 Saturn Sky. (260 HP @ 5300 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2007 Saturn Sky. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1016 kg more than 2007 Saturn Sky. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Saturn Sky. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (516 Nm @ 4000 RPM) has 163 more torque (in Nm) than 2007 Saturn Sky. (353 Nm @ 2500 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Saturn Sky.
Compare all specifications:
| 2005 GMC Sierra | 2007 Saturn Sky | |
| Make | GMC | Saturn |
| Model | Sierra | Sky |
| Year Released | 2005 | 2007 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 1999 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 340 HP | 260 HP |
| Engine RPM | 5200 RPM | 5300 RPM |
| Torque | 516 Nm | 353 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 2345 kg | 1329 kg |
| Vehicle Length | 5740 mm | 4100 mm |
| Vehicle Width | 2000 mm | 1820 mm |
| Vehicle Height | 1910 mm | 1280 mm |
| Wheelbase Size | 3650 mm | 2420 mm |
