AutoZone (AZO) reported fiscal Q3 net income Tuesday of $38.07 per diluted share, up from $35.36 a year earlier.
Analysts polled by FactSet expected $36.21.
Net sales for the quarter ended May 9 were $4.84 billion, up from $4.46 billion a year earlier.
Analysts surveyed by FactSet expected $4.86 billion.
Shares of AutoZone were down 1.9% in premarket activity Tuesday.