According to director David Ayer, Sabotage was heavily cut by the studio in favor of delivering more of an action based film rather than a mystery thriller. The original cut of Sabotage was rumored to be close to 3 hours.
The Beastie Boys, Mike D and Adam Horovitz, turned down a request to use their 1994 song "Sabotage" in promos for the film. In his will, Adam Yauch prohibited the use of his music in advertisements.
In the minute 43 till 45 you see a poster of Rambo in the background, but with the head of Arnold Schwarzenegger.
The plot was loosely based on Agatha Christie's classic novel "And Then There Were None".
In the scene where Breacher is typing in statistics at his desk, the pictures of his family above his computer, are actual pictures of Arnold Schwarzenegger's family. Pictures of Patrick Schwarzenegger are visible.
Kate Mara and Isla Fisher auditioned for the role that went to Malin Akerman. Later Akerman dropped out due to pregnancy and was replaced by Mireille Enos.
A subplot involving Brentwood trying to nail an abusive father who has killed his young daughter was cut from the final film, but it is briefly mentioned in the scene when Brentwood and Breacher talk on the way to Tripod's house. This storyline was cut to speed up the pace of the film and concentrate on the action.
Although screenwriter Skip Woods is credited with screen writing along side David Ayer, very little of his original script was used for the film. Just the central plot idea of a group of cops being picked off one by one.
Following its dismal showing at the US Box Office, Australian distributors withdrew the movie from its scheduled 1 May 2014 cinema release and instead released the movie straight to DVD on 31 July 2014.
Sam Worthington and Arnold Schwarzenegger have both had roles in Terminator movies as terminators.
If you look closely, the DVD the Stakeout Agent gives back to Breacher is a Netflix copy of "Training Day". Sabatoge's director, David Ayer, wrote the screenplay for Training Day.
The tattoo on Grinders (Joe Manganiello) shoulder is from the cartoon, "Terminal Lance". It depicts an eagle holding a skull with Marine emblems for eyes and a grim reaper carrying a M240B medium machine gun with baby Jesus hanging beneath it.
Harold Perrineau, who plays Det. Jackson starred on the TV Show Lost with Josh Holloway who plays Eddie "Neck" Jordan in this movie. Neither actor has direct scenes with the other.
Both David Ayer and Joe Manganiello have worked in the DC Extended Universe. Ayer directed Suicide Squad (2016) and Manganiello portrays Slade Wilson/Deathstroke in The Batman.
Arnold Schwarzenegger and Sam Worthington both appeared in the Terminator franchise, although they did not appear together in Terminator Salvation (2009).
Detective Brentwood's radio identifier is 21-50. This is the famous radio identifier used by Broderick Crawford in Highway Patrol (1955).