Fergie delighted as Vidic signs Man Utd deal
The 26-year-old is so highly rated by Sir Alex Ferguson, he even assumed the captain's armband following the substitution of Edwin van der Sar during Wednesdays 4-0 Champions League win over Dynamo Kiev.
"Nemanja has made a terrific impact at the club and has forged a partnership with Rio Ferdinand that was a major part in us winning the title last year," said Ferguson.
"He is an extremely popular member of the squad, both with staff and fans alike.
"It's great news that he wants to be part of this exciting side for years to come."