2009 Saturn Astra vs. 2002 Opel Signum
To start off, 2009 Saturn Astra is newer by 7 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, 2002 Opel Signum (174 HP @ 4000 RPM) has 36 more horse power than 2009 Saturn Astra. (138 HP @ 6300 RPM) In normal driving conditions, 2002 Opel Signum should accelerate faster than 2009 Saturn Astra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 326 kg more than 2009 Saturn Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 207 more torque (in Nm) than 2009 Saturn Astra. (170 Nm @ 3800 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 Saturn Astra. 2002 Opel Signum has automatic transmission and 2009 Saturn Astra has manual transmission. 2009 Saturn Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Saturn Astra | 2002 Opel Signum | |
| Make | Saturn | Opel |
| Model | Astra | Signum |
| Year Released | 2009 | 2002 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 174 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 170 Nm | 377 Nm |
| Torque RPM | 3800 RPM | 1900 RPM |
| Engine Compression Ratio | 10.4:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1344 kg | 1670 kg |
| Vehicle Length | 4340 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2840 mm |
| Fuel Consumption Overall | 8.7 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 45 L | 58 L |
