Mart 
2008 Nissan Altima Sedan 3.5 SE 4dr Sedan (3.5L 6cyl CVT)
stay away
 -Both head gaskets needed to be replaced at  62K-Metallic sound upon acceleration at 88K-New Basal vibration/sound when accelerating and deceleratingThough Nissan would be trouble free...Cannot believe the low quality of this vehicle.  Never Nissan again...