[{"arrayProperty":[{"model":"sedan","turbo":"nil"},{"model":"sedan","turbo":"60cc"}]},{"arrayProperty":[{"model":"coupe","turbo":"50cc"},{"model":"coupe","turbo":"60cc"}]},{"arrayProperty":[{"model":"coupe","turbo":"50cc"},{"model":"sedan","turbo":"nil"},{"model":"coupe","turbo":"60cc"}]}]

db.collection.find({arrayProperty:{$size:2,},"arrayProperty.turbo":{$ne:"nil"}})