Grand Masti became the first A rated (adults only) film to gross 100 crore rupees at the box office.
A man laughed himself to death while viewing this movie.
Indra Kumar was inspired to make this film after watching films like Hangover and American Pie.
Ajit Singh Deol's erection under the table making it rise in Kachche Heere was later copied for Ritesh Deshmukh in Grand Masti.
Suresh Oberoi stated he hates the Masti series and considers it Vivek's worst movies.