Million dollar question are Nissan Altima good high mileage cars ? Thanks in advance

Not really, you run into problems in the long run.

NO! Ever since March 27, 1999, when Renault bought Nissan and Infiniti, the quality went way down. Their automatic transmissions are nothing but problems. They won't last as long as a Toyota. A good high mileage car is a Toyota Camry.

Thanks for the advice guys really appreciate.