The Netherlands international has been in scintillating form and continued his goal-scoring streak in the Red Devils’ 3-1 victory over Sunderland.
It took Van Persie’s overall tally to 15 goals since joining in a £24m deal this summer, and Ferguson has been impressed with the former Arsenal captain’s impact at Old Trafford.
“He has a fantastic record,” Ferguson told ITV. “What you are seeing is a player who has come to his mature years.
“Experience is counting for him now. He has the knowledge and ability and last season his form was terrific.
“Even Arsenal, having had him for a few years, were realising what his best position is. We do the same.”
Chris Smalling has also been left impressed by how effortlessly the striker has settled at Old Trafford, admitting the United defence are benefiting from Van Persie’s electric form.
“I saw the finish,” said Smalling. “It wasn’t easy to put it in that top corner but he is a quality player.
“Obviously he only came in the summer and didn’t have much of a pre-season.
“But he came straight into the matches and has been such a threat. He is putting teams on the back foot and making our job easier at the back.”