2015 CHEVY IMPALA HAS THE 3.6 V6 ENGINE AND IS FWD. THE IMPALA IS A BI-FUEL CAR THAT RUNS ON BOTH CNG (COMPRESSED NATUAL GAS) OR GASOLINE. THIS CAR FEATURES KEYLESS REMOTE START, KEYLESS REMOTE ENTRY, POWER LOCKS, POWER WINDOWS, POWER SEATS, POWER MIRRORS, AM/FM STEREO, CD PLAYER, BLUETOOTH, LEATHER SEATS, DUAL TEMP, HEATED FRONT SEATS, BACK UP CAMERA, TRACTION CONTROL, CRUISE CONTROL, ONLY 70,418 MILES!!! 235/50R16 TIRES. IT RUNS ON CNG (COMPRESSED NATURAL GAS) OR GASOLINE. A PREMIER ALTERNATIVE FUEL CONVERSION THAT IS EPA-APPROVED. EXTREMELY CLEAN-BURNING AND EFFICIENT. THIS SYSTEM NORMALLY RETAILS FOR 13,500 INSTALLED.CLEAN TITLE AND FREE CARFAX REPORT