Used Cars for Sale Los Angeles, CA Under $6,000. Cheap Used Cars for Sale in Los Angeles, CA. 90012. Filter (2) Compare. My Wallet. Show Payments ... Autotrader has 1,782 Used for sale under $6,000 near Los Angeles, CA, including a 2001 Pontiac Firebird Coupe w/ Opt Pkg 2, a 2002 Cadillac Escalade 2WD, and a 2002 Dodge Dakota Sport ranging in ...