Home Slickdeals Sonic Drive-In Restaurant Offer: Sonic Quarter Pound Double Cheeseburger $2 (Valid 12/12... Slickdeals Sonic Drive-In Restaurant Offer: Sonic Quarter Pound Double Cheeseburger $2 (Valid 12/12 Only) By ARCOM - 12 December 2023 21 0 SHARE Facebook Twitter Go to the deal page: Sonic Drive-In Restaurant Offer: Sonic Quarter Pound Double Cheeseburger $2 (Valid 12/12 Only)