The difference between these classes on Amtrak depends on whether you are on a "Regional" train or the high-speed "Acela." On the Northeast Regional, Business Class offers slightly more legroom than Coach, a complimentary non-alcoholic beverage, and a 25% bonus on Guest Rewards points. The seating is still 2x2, but you can often select your specific seat in advance. On the Acela, "Business Class" is the standard entry-level (there is no Coach), featuring 2x2 seating and high-speed Wi-Fi. First Class on Acela, however, is a significant jump in luxury. It features 1x2 seating (more space), complimentary high-quality meals served at your seat, and unlimited alcoholic beverages. First Class passengers also gain access to Metropolitan Lounges at major stations like Penn Station or Union Station, which provide free snacks, drinks, and a quiet place to wait. Essentially, Business Class is a "comfort" upgrade with extra points, while First Class is a "full-service" luxury experience with premium dining and station amenities.