Originally Posted by
BearX220
It's not actually better (or worse). EWR Airtrain --> NJ Transit or Amtrak --> Penn Station is maybe a little more time-consuming (and can be more expensive) than JFK Airtrain --> LIRR --> Penn Station. You can use the MTA subway to get from JFK Airtrain into the city; you have no comparable option at EWR. I prefer JFK for that and other reasons.
Additionally if you decide for an Uber or are driving, depending on the time of day, I find the traffic in the Holland tunnel to EWR worse than driving to JFK.