1998 Opel Astra vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Opel Astra. In addition, the cost of maintenance, including insurance, on 1998 Opel Astra would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 5500 RPM) has 111 more horse power than 1998 Opel Astra. (64 HP @ 5600 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1998 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 260 more torque (in Nm) than 1998 Opel Astra. (110 Nm @ 4000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Astra.
Compare all specifications:
| 1998 Opel Astra | 2003 Opel Signum | |
| Make | Opel | Opel |
| Model | Astra | Signum |
| Year Released | 1998 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1199 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 64 HP | 175 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 110 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Length | 4060 mm | 4640 mm |
| Vehicle Width | 1700 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2840 mm |
