WE PURCHASED A NEW 2012 CHEVROLET SONIC SEDAN. THE FIRST TIME THAT WE DROVE IT AT HIGHWAY AND INTERSTATE SPEEDS WE NOTICED THAT THE VEHICLE WAS VERY DIFFICULT TO KEEP IN THE DRIVING LANE. WE RETURNED TO THE DEALER AND AFTER A NEW SET OF TIRES, THEN LATER A NEW SET OF LARGER WHEELS AND TIRES THERE HAS BEEN SOME IMPROVEMENT IN HANDLING. I AM 55 YEARS OLD AND HAVE DRIVEN MANY DIFFERENT CARS AND TRUCKS AND THIS IS THE WORST DRIVING VEHICLE EVER. THIS CAR IS DANGEROUS TO DRIVE AND SOMETHING NEEDS TO BE DONE ABOUT IT. IT IS THE WORST ON CONCRETE ROADS THAT HAVE BEEN GROUND BUT HANDLING IS ALWAYS BAD. I HOPE YOU WILL TAKE A SERIOUS LOOK AT THIS CAR BEFORE SOMEONE GETS KILLED. *TR