2005 NISSAN 350Z Engine And Engine Coolingenginegasoline Problems

I OWN A ANNIVERSARY M/T EDITION 2005' NISSAN 350Z. I AM HAVING A OIL CONSUMPTION ISSUE W/ THE VEHICLE. I RAN THE CAR FOR 3,000 MILES AND WHEN I BROUGHT IT IN FOR THE NEXT OIL CHANGE AFTER I BOUGHT THE CAR IT WAS DOWN TO ONLY, 1/2 OF A QUART OF OIL IN THE ENGINE. THERE WAS NEVER ANY INDICATION OF THE OIL BEING LOW IN THE COCKPIT. THE MOTOR DID START MAKING NOISE SO I STOPPED RUNNING IT AND BROUGHT IT STRAIGHT TO THE SHOP WHERE THEY INFORMED ME OF THE 1/2 QUART OF OIL ONLY IN THE ENGINE. I STARTED A REPORT W/ TORRANCE, CA NISSAN. THEY STARTED A OIL CONSUMPTION TEST. I LOST 3/4 OF A QUART WITHIN THE FIRST 1000 MILES. I HAVE TO GO BACK AGAIN AFTER THE NEXT 1,000 MILES. THIS IS NOT MORAL. THEY HAVE A BAD PRODUCT. *TR

WE PURCHASED OUR 2005 NISSAN 350Z ON 4/15/05. WHEN WE PURCHASED THE VEHICLE WE WERE TOLD HOW RELIABLE THE Z WAS, AND HOW THEY NEVER HAVE ANY PROBLEMS. WE FOUND THAT STATEMENT TO BE UNTRUE. ON 5/16/05 WITH 612 MILES ON THE VEHICLE I MADE MY FIRST VISIT TO SERVICE. THIS I WAS NOT HAPPY ABOUT. THE VEHICLE NEEDED A NEW STEERING ANGLE SENSOR ASSEMBLY, AND MASS AIR FLOW METER. OK I FIGURED LETS GET IT DONE AND OVER WITH AND MOVE ON. ON 7/1/05 I MAKE MY SECOND VISIT TO THE SERVICE DEPARTMENT. THIS TIME THE MATTER IS MORE SERIOUS. I HAVE NOTICED MY OIL PRESSURE GAUGE WAS DROPPING DOWN TO ZERO. I CHECKED THE ENGINE OIL ON THE DIPSTICK AND NOTICED IT WAS EMPTY. I WAS CONCERNED BECAUSE THE CAR IS NOT SUPPOSED TO HAVE AN OIL CHANGE FOR AT LEAST 3MONTHS OR 3000 MILES (DEALER STATES 3750...