Opel Vectra engine produces 18 HP less power than Opel Signum, whereas torque is 8 NM less than Opel Signum. Despite less power, Opel Vectra reaches 100 km/h speed 0.3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.7
7.7
Fuel tank capacity:
61 litres
60 litres
Full fuel tank distance:
790 km in combined cycle
770 km in combined cycle
1030 km on highway
980 km on highway
740 km with real consumption
680 km with real consumption
Dimensions
Length:
4.61 m
4.65 m
Width:
1.80 m
1.80 m
Height:
1.46 m
1.47 m
Both cars are similar in size. Opel Vectra is 4 cm shorter than the Opel Signum, width is practically the same , while the height of Opel Vectra is 1 cm lower.
Trunk capacity:
500 litres
365 litres
Trunk max capacity: with rear seats folded down
no data
1410 litres
Opel Vectra has more luggage capacity. Even though the car is shorter, Opel Vectra has 135 litres more trunk space than the Opel Signum. The Opel Signum may have more interior space, so the cabin could be more spacious and more comfortable for the driver and passengers.
Turning diameter:
11 meters
11.4 meters
The turning circle of the Opel Vectra is 0.4 metres less than that of the Opel Signum, which means Opel Vectra can be easier to manoeuvre in tight streets and parking spaces.
