1997 Opel Vectra vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 8 year(s). Which means there will be less support and parts availability for 1997 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1997 Opel Vectra would be higher. At 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (99 HP @ 3120 RPM) has 25 more horse power than 1997 Opel Vectra. (74 HP @ 5200 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1997 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 410 kg more than 1997 Opel Vectra. 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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 101 more torque (in Nm) than 1997 Opel Vectra. (129 Nm @ 2800 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1997 Opel Vectra.
Compare all specifications:
| 1997 Opel Vectra | 2005 Opel Signum | |
| Make | Opel | Opel |
| Model | Vectra | Signum |
| Year Released | 1997 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 99 HP |
| Engine RPM | 5200 RPM | 3120 RPM |
| Torque | 129 Nm | 230 Nm |
| Torque RPM | 2800 RPM | 1500 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 69.8 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1185 kg | 1595 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
