ECOTEC® Turbo 1.4L engine

Sonic® has the right combination of spirited power, responsiveness and is rated at an estimated 40 MPG highway1 with the ECOTEC® Turbo 1.4L Variable Valve Timing DOHC 4-cylinder sequential MFI engine.  

1 EPA-estimated MPG 29 city/40 hwy/33 combined with manual transmission; 27 city/37 hwy/31 combined with optional automatic tranmission on LT and LTZ. RS fuel economy estimates not available at this time.