2005 Opel Vectra vs. 2008 Opel Signum

To start off, 2008 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (175 HP @ 4000 RPM) has 27 more horse power than 2005 Opel Vectra. (148 HP @ 4000 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 470 kg more than 2005 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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 49 more torque (in Nm) than 2005 Opel Vectra. (321 Nm @ 2000 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.

Compare all specifications:

2005 Opel Vectra 2008 Opel Signum
Make Opel Opel
Model Vectra Signum
Year Released 2005 2008
Body Type Sedan Hatchback
Engine Position Front Front
Engine Size 1909 cc 2957 cc
Engine Cylinders 4 cylinders 6 cylinders
Engine Type in-line V
Valves per Cylinder 2 valves 4 valves
Horse Power 148 HP 175 HP
Engine RPM 4000 RPM 4000 RPM
Torque 321 Nm 370 Nm
Torque RPM 2000 RPM 1900 RPM
Engine Bore Size 82 mm 87.5 mm
Engine Stroke Size 90.4 mm 82 mm
Engine Compression Ratio 18.0:1 18.5:1
Fuel Type Diesel Diesel
Top Speed 217 km/hour 221 km/hour
Acceleration 0-100mph 9.8 seconds 9.4 seconds
Drive Type Front Front
Transmission Type Manual Manual
Number of Seats 5 seats 5 seats
Number of Doors 4 doors 5 doors
Vehicle Weight 1200 kg 1670 kg
Vehicle Length 4600 mm 4640 mm
Vehicle Width 1800 mm 1800 mm
Vehicle Height 1470 mm 1470 mm
Wheelbase Size 2640 mm 2840 mm
Fuel Consumption Overall 5.8 L/100km 7.4 L/100km
Fuel Tank Capacity 61 L 60 L


 

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