A double-deck variant (DLF, Double Deck Low Floor) exists as a prototype and is in trial with Berliner Verkehrsbetriebe (BVG) since August 2015.

[2] In June / July, a Citea CLF 120 was handed over to the first customer in Germany, the HEAG mobiBus from Darmstadt, another model has been in private ownership since 2011 in Bayreuth / Upper Franconia and operates on the city network.

The Citea SLE and LLE variants are a common sight in the Copenhagen bus traffic scene, used on routes 3A, 9A, 12, 14, 141, 149, 166 and 250S.

Due to its cost effectiveness and environmental friendliness, the Citea was named Bus of the Year 2011 at the IAA in Hanover on 23 September 2010.

In order to recharge the 1380 kg lithium-ion battery with an energy content of 122.6 kWh in operation, the Citea SLFA Electric has a pantograph fast-charging system.

At Hermes in Eindhoven, since December 2016, a total of 43 Citea SLFA-181 Electric articulated buses have been used under the brand name "Bravo".

The trailer also known as a range extender which consists of a hydrogen tank which performs an endothermic chemical reaction with the use of fuel cells that power the electric motor.