1999 Opel Vectra vs. 1999 Opel Signum
To start off, both 1999 Opel Vectra and 1999 Opel Signum were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,198 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (153 HP @ 5600 RPM) has 39 more horse power than 1999 Opel Vectra. (114 HP @ 5400 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 1999 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 143 kg more than 1999 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, 1999 Opel Signum (221 Nm @ 3800 RPM) has 51 more torque (in Nm) than 1999 Opel Vectra. (170 Nm @ 3400 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Vectra.
Compare all specifications:
| 1999 Opel Vectra | 1999 Opel Signum | |
| Make | Opel | Opel |
| Model | Vectra | Signum |
| Year Released | 1999 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 114 HP | 153 HP |
| Engine RPM | 5400 RPM | 5600 RPM |
| Torque | 170 Nm | 221 Nm |
| Torque RPM | 3400 RPM | 3800 RPM |
| Engine Bore Size | 80.5 mm | 86 mm |
| Engine Stroke Size | 88.2 mm | 94.6 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1392 kg | 1535 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1720 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2640 mm |
