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The Large Hadron Collider will restart with higher energy and luminosity in2015. This achievement opens the possibility of discovering new phenomenahardly described by the Standard Model, that is based on two neutral gaugebosons: the photon and the $Z$. This perspective imposes a deep and systematicstudy of models that predicts the existence of new neutral gauge bosons. One ofsuch models is based on the gauge group $SU(3)_C \times SU(3)_L \times U(1)_N$called 3-3-1 model for short.  In this paper we perform a study with $Z^\prime$ predicted in two versions ofthe 3-3-1 model and compare the signature of this resonance in each modelversion. By considering the present and future LHC energy regimes, we obtainsome distributions and the total cross section for the process $p + p\longrightarrow \ell^{+} + \ell^{-} + X$. Additionally, we derive lower boundson $Z^\prime$ mass from the latest LHC results. Finally we analyze the LHCpotential for discovering this neutral gauge boson at 14 TeV center-of-massenergy.

Bounds on $Z^\prime$ from 3-3-1 model at the LHC energies