2007 Opel Signum vs. 2007 Opel Vectra
To start off, both 2007 Opel Signum and 2007 Opel Vectra were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,197 cc (4 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (153 HP @ 5600 RPM) has 5 more horse power than 2007 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 63 kg more than 2007 Opel Vectra.
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, 2007 Opel Signum (315 Nm @ 2000 RPM) has 95 more torque (in Nm) than 2007 Opel Vectra. (220 Nm @ 3800 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2007 Opel Signum | 2007 Opel Vectra | |
| Make | Opel | Opel |
| Model | Signum | Vectra |
| Year Released | 2007 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1909 cc | 2197 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 153 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 315 Nm | 220 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 90.4 mm | 94.6 mm |
| Engine Compression Ratio | 18.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 209 km/hour | 212 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1613 kg | 1550 kg |
| Vehicle Length | 4640 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Consumption Overall | 6.1 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
