We prove the existence of solitary wave solutions to the quasilinear Benney systemwhere f (v) = −γv 3 , −1 < p < +∞ and a, γ > 0. We establish, in particular, the existence of travelling waves with speed arbitrary large if p < 0 and arbitrary close to 0 if p > 2 3 . We also show the existence of standing waves in the case −1 < p ≤ 2 3 , with compact support if −1 < p < 0. Finally, we obtain, under certain conditions, the linearized stability of such solutions.