Trevor Philips, a main character in Grand Theft Auto V, was born in 1965 according to his memorial tattoo, which suggests he would be around 48 years old during the events of the game set in 2013

. Other sources estimate his age to be approximately 46 to 49 years old at that time, considering his close age to Michael De Santa, who is 48 in the game

. By 2024, in an alternate timeline, Trevor would be around 60 years old

. In summary, Trevor's age in GTA V is generally accepted to be in the mid to late 40s during the game's timeline, specifically about 48 years old in 2013.