I really need some advice

I moved to live with my daddy, stepmum, and three younger siblings to attend college about 5 years ago. Unfortunately, I don't really "like" them per say. I have no real relationship with any, and get highly annoyed with their selfish and inconsiderable actions. I share a room with two teenage boys. I'm 21 btw. I currently just work now, but I think it's time for me to move. I don't talk and have conversations with them, I don't eat with them, I don't feel like I belong with them. I need my own space and I am really depressed being here with them. I know it's tough in real life but I'm not enjoying life living here. I plan to move out but I'm still waiting to get my drivers lesson and a car. I have the money but my test isn't until another month. I really feel like down.