Garcia was born to Mexican parents. He also has an older brother. Garcia's former fiancée, Christine Concepcion, is a popular artist on YouTube. Garcia has a son, Caeland, with her. Garcia has a tattoo of his son's name on the right side of his neck, a tattoo of an "A" on his wrist, a rose on his front left arm, and a pair of Christine's lips in red on the left side of his neck.
Garcia auditioned for the ninth season in Pasadena, California. He sang "Sunday Morning" by Maroon 5 and was praised by all the judges, notably Simon Cowell, who called him a "genuinely good singer," as well as guest judge Katy Perry. He later appeared in Hollywood, where he sang Paula Abdul's song "Straight Up" and since has been particularly known for that performance.
He performed "Sugar, We’re Going Down", but according to the judges, did not come up to par with the musicality of "Straight Up", resulting in all four judges calling it "strange" commenting on his past "Straight Up" and urging him to return to the originality of the performance. Lee Dewyze and Andrew have become best friends over the show as told by Lee in his performance of Hey Jude
Garcia was eliminated on April 14, 2010 along with Katie Stevens. He was eliminated first, near the beginning of the show.^Note 1 When Ryan Seacrest announced the results for this particular night, Garcia was among the Bottom 3 but declared safe second, as Michael Lynche was saved from elimination by the judges.
^Note 2 Due to the judges using their one save to save Michael Lynche, the Top 9 remained intact for another week.
Garcia was featured in the American Idols LIVE! Tour 2010, where he sang "Straight Up" by Paula Abdul and "Sunday Morning" by Maroon 5.
Garcia released his first single "Crazy" on June 7, 2011.
In 2011, Garcia began performing with Yesterday, Today, Forever, a musical and comedy performing group. The group performed their first concert on October 9, 2011 in Honolulu, Hawaii.
In 2012, Garcia began appearing in Nigahiga videos, and acted as a guest judge in the third episode on Higa's YOMYOMF web series, Internet Icon.
As of 2015, Garcia plays music on Twitter, YouTube and Facebook. He released an EP called Hell and Back.