Opel Signum is more dynamic to drive. Opel Signum engine produces 40 HP more power than Citroen C5, whereas torque is 80 NM more than Citroen C5. Thanks to more power Opel Signum reaches 100 km/h speed 1.8 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.0
5.4
Real fuel consumption:
6.9 l/100km
6.0 l/100km
The Citroen C5 is a better choice when it comes to fuel economy. By specification Opel Signum consumes 1.6 litres more fuel per 100 km than the Citroen C5, which means that if you drive 15,000 km in a year, the Opel Signum could require 240 litres more fuel. By comparing actual fuel consumption based on user reports, Opel Signum consumes 0.9 litres more fuel per 100 km than the Citroen C5.
Fuel tank capacity:
60 litres
66 litres
Full fuel tank distance:
850 km in combined cycle
1220 km in combined cycle
1050 km on highway
1460 km on highway
860 km with real consumption
1100 km with real consumption
Citroen C5 gets more mileage on one fuel tank.
Dimensions
Length:
4.65 m
4.75 m
Width:
1.80 m
1.77 m
Height:
1.47 m
1.48 m
Opel Signum is 10 cm shorter than the Citroen C5, 3 cm wider, while the height of Opel Signum is 1 cm lower.
Trunk capacity:
365 litres
no data
Trunk max capacity: with rear seats folded down
1410 litres
no data
Turning diameter:
11.4 meters
11.8 meters
The turning circle of the Opel Signum is 0.4 metres less than that of the Citroen C5, which means Opel Signum can be easier to manoeuvre in tight streets and parking spaces.
