DRIVING DOWN INTERSTATE WHEN THE CRUISE CUT OUT AND THE ENGINE SKIPPED. PULLED OVER TO CHECK ENGINE FLUIDS AND ALL WERE OK. NO ENGINE WARNING LIGHTS OR ANY OTHER INDICATION OF SOMETHING BEING WRONG. CONTINUED AT APPROX 70 MPH WHEN THERE SEEMED TO BE AN INTERNAL EXPLOSION WITHIN THE ENGINE CAUSING THE ENGINE TO STOP AND ALL FRONT AIRBAGS TO DEPLOY. VEHICLE THEN CAUGHT FIRE AND WAS TOTALLY DESTROYED.