2003 Opel Signum vs. 2003 Opel Vectra
To start off, both 2003 Opel Signum and 2003 Opel Vectra were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,958 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (176 HP @ 4000 RPM) has 24 more horse power than 2003 Opel Signum. (152 HP @ 5600 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 25 kg more than 2003 Opel Signum. 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 150 more torque (in Nm) than 2003 Opel Signum. (220 Nm @ 3800 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2003 Opel Signum has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 Opel Signum | 2003 Opel Vectra | |
Make | Opel | Opel |
Model | Signum | Vectra |
Year Released | 2003 | 2003 |
Engine Position | Front | Front |
Engine Size | 2171 cc | 2958 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 152 HP | 176 HP |
Engine RPM | 5600 RPM | 4000 RPM |
Torque | 220 Nm | 370 Nm |
Torque RPM | 3800 RPM | 1900 RPM |
Engine Bore Size | 86 mm | 87.5 mm |
Engine Stroke Size | 94.6 mm | 82 mm |
Engine Compression Ratio | 12.0:1 | 18.5:1 |
Drive Type | Front | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Vehicle Weight | 1565 kg | 1590 kg |
Vehicle Length | 4640 mm | 4830 mm |
Vehicle Width | 1800 mm | 1800 mm |
Vehicle Height | 1470 mm | 1510 mm |