The difference between first and second class on a train varies by country, but it generally centers on space, comfort, and service. In second class (or "Standard"), seating is usually in a 2+2 configuration, meaning four seats across the aisle, which can feel crowded during peak hours. In first class, the seating is typically 2+1, providing significantly wider seats, more legroom, and often a more quiet, "business-like" atmosphere. On many high-speed lines like the Eurostar or Amtrak’s Acela, first class includes complimentary meals, snacks, and alcoholic beverages served at your seat, whereas second-class passengers must visit a café car to purchase food. Additional perks often include access to exclusive station lounges before boarding, faster Wi-Fi, and more power outlets. While second class is perfectly functional and much more affordable, first class is designed for those who want a "premium" experience or need to work comfortably during a long journey without the noise and bustle of the standard cabins.