Buick Open ended in 2009.
Search Google for "1965 Buick Open". One of the first entries is a 2009 Buick Open Media Guide. It lists every player and their score in every Buick Open.
Buick Riviera was created in 1963.
Buick Somerset was created in 1985.
Buick Terraza was created in 2005.
Buick Century was created in 1936.
Buick Rendezvous was created in 2001.
Buick Rainier was created in 2004.
Buick Verano was created in 2011.
Buick Men was created in 1993.
Buick Regal was created in 1973.
Buick Skylark was created in 1953.