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