2002 Opel Signum vs. 2003 Opel Astra
To start off, 2003 Opel Astra is newer by 1 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 1,995 cc (4 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (123 HP @ 5600 RPM) has 23 more horse power than 2002 Opel Signum. (100 HP @ 3120 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 285 kg more than 2003 Opel Astra.
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 (230 Nm @ 1500 RPM) has 59 more torque (in Nm) than 2003 Opel Astra. (171 Nm @ 3800 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra. 2003 Opel Astra has automatic transmission and 2002 Opel Signum has manual transmission. 2002 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Opel Signum | 2003 Opel Astra | |
| Make | Opel | Opel |
| Model | Signum | Astra |
| Year Released | 2002 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 123 HP |
| Engine RPM | 3120 RPM | 5600 RPM |
| Torque | 230 Nm | 171 Nm |
| Torque RPM | 1500 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 80.5 mm |
| Engine Stroke Size | 90 mm | 88.2 mm |
| Top Speed | 185 km/hour | 188 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1595 kg | 1310 kg |
| Vehicle Length | 4640 mm | 4260 mm |
| Vehicle Width | 1720 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2700 mm |
| Fuel Consumption Overall | 5.9 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
