2002 GMC Sierra vs. 2007 Saturn Sky
To start off, 2007 Saturn Sky is newer by 5 year(s). Which means there will be less support and parts availability for 2002 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2002 GMC Sierra would be higher. At 5,967 cc (8 cylinders), 2002 GMC Sierra is equipped with a bigger engine. In terms of performance, 2002 GMC Sierra (321 HP @ 5000 RPM) has 61 more horse power than 2007 Saturn Sky. (260 HP @ 5300 RPM). In normal driving conditions, 2002 GMC Sierra should accelerate faster than 2007 Saturn Sky. With that said, vehicle weight also plays an important factor in acceleration. 2002 GMC Sierra weights approximately 941 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 2002 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, 2002 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, 2002 GMC Sierra (371 Nm @ 4000 RPM) has 18 more torque (in Nm) than 2007 Saturn Sky. (353 Nm @ 2500 RPM). This means 2002 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Saturn Sky.
Compare all specifications:
| 2002 GMC Sierra | 2007 Saturn Sky | |
| Make | GMC | Saturn |
| Model | Sierra | Sky |
| Year Released | 2002 | 2007 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 1999 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 260 HP |
| Engine RPM | 5000 RPM | 5300 RPM |
| Torque | 371 Nm | 353 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 1329 kg |
| Vehicle Length | 5790 mm | 4100 mm |
| Vehicle Width | 2000 mm | 1820 mm |
| Vehicle Height | 1850 mm | 1280 mm |
| Wheelbase Size | 3650 mm | 2420 mm |
