A lubricating oil comprising a major amount of base oil and a minor amount of an additive package comprising a friction modifier component selected from: (A) one or more friction modifiers of the formulae I and II: (B) two or more friction modifiers independently selected from the formulae III and IV: and (C) at least one friction modifier of the formulae III and IV in combination with at least one friction modifier of the formulae I and II, and R, R1, R2, R3, X and n are as defined in the specification.