Westminster (5-16, 3-5 PAC) led 42-34 at halftime and led throughout the second half.
Sophomore forward Bobby Turner led Grove City with a career-high 14 points while freshman forward Daniel Zacour added 12 points. Turner also snared six rebounds, helping Grove City own a 43-29 edge on the glass.
Mark DeMonaco led the Titans with 23 points while Nick Adams came off the bench for 18. Adams hit five of Westminster's 16 three-point goals.