Opel Signum engine produces 8 HP more power than Opel Vectra, whereas torque is 17 NM more than Opel Vectra. Despite the higher power, Opel Signum reaches 100 km/h speed 1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
8.3
8.0
Opel Signum consumes 0.3 litres more fuel per 100 km than the Opel Vectra, which means that if you drive 15,000 km in a year, the Opel Signum could require 45 litres more fuel.
Fuel tank capacity:
60 litres
61 litres
Full fuel tank distance:
720 km in combined cycle
760 km in combined cycle
Opel Vectra gets more mileage on one fuel tank.
Engines
Average engine lifespan:
350'000 km
370'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
7 years
5 years
Engine spread:
Installed on at least 2 other car models, including Opel Zafira, Opel Vectra
Installed on at least 2 other car models, including Opel Astra, Opel Zafira
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Dimensions
Length:
4.65 m
4.61 m
Width:
1.80 m
1.80 m
Height:
1.47 m
1.46 m
Both cars are similar in size. Opel Signum is 4 cm longer than the Opel Vectra, width is practically the same , while the height of Opel Signum is 1 cm higher.
Trunk capacity:
365 litres
500 litres
Trunk max capacity: with rear seats folded down
1410 litres
no data
Opel Vectra has more luggage space. Despite its longer length, Opel Signum has 135 litres less trunk space than the Opel Vectra. This could mean that the Opel Signum uses more space in the cabin, so the driver and passengers could be more spacious and comfortable.
Turning diameter:
11.4 meters
11 meters
The turning circle of the Opel Signum is 0.4 metres more than that of the Opel Vectra, which means Opel Signum can be harder to manoeuvre in tight streets and parking spaces.
