2002 Opel Signum 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 Opel Signum. In addition, the cost of maintenance, including insurance, on 2002 Opel Signum would be higher. At 2,957 cc (6 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Saturn Sky (177 HP @ 6600 RPM) has 3 more horse power than 2002 Opel Signum. (174 HP @ 4000 RPM) In normal driving conditions, 2007 Saturn Sky should accelerate faster than 2002 Opel Signum.
Because 2007 Saturn Sky is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Saturn Sky. However, in wet, icy, snow, or gravel driving conditions, 2002 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 Opel Signum (377 Nm @ 1900 RPM) has 152 more torque (in Nm) than 2007 Saturn Sky. (225 Nm @ 4800 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Saturn Sky.
Compare all specifications:
| 2002 Opel Signum | 2007 Saturn Sky | |
| Make | Opel | Saturn |
| Model | Signum | Sky |
| Year Released | 2002 | 2007 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2399 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 174 HP | 177 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 377 Nm | 225 Nm |
| Torque RPM | 1900 RPM | 4800 RPM |
| Engine Compression Ratio | 18.5:1 | 10.4:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4640 mm | 4100 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2840 mm | 2420 mm |
