You do not need a bigger table for Thanksgiving — you need a smarter layout. Seat six at the table you already own with a low, narrow centerpiece, about 24 inches of elbow room per guest where possible, and the food on a kitchen counter as a buffet so the table stays clear for plates.
Measure your table before you buy anything. A table that looks small can still work for six if the layout is right, and measuring first stops you buying extra furniture you will have to store in January.
Allow about 24 inches of width per guest and about 12–15 inches of table depth per place setting as a planning guide. If six at 24 inches each does not fit in one arrangement, seat three per side and use the table ends only if elbow room allows.
A centerpiece under about 12 inches high keeps sightlines open and leaves room for plates. Small pumpkins, a little eucalyptus or greenery, and a simple runner give the Thanksgiving look without taking over the table.
Put the food on the kitchen counter as a buffet. Guests serve themselves, the table stays clear, and nobody is passing dishes over the candles. Keep serving dishes off the table until seconds.
Use the chairs you have, and add a cushion for comfort. Mixed chairs are fine for a small apartment Thanksgiving — comfort matters more than a matching set.
Keep each place setting simple: one plate, one glass, and one napkin fold. Extra glasses and plates look nice in photos, but they eat the elbow room you need for six people.
Set the table the night before, and have the buffet ready before guests arrive. That way you are not moving furniture and setting places while people are already at the door.
Clear the table the same evening, store the seasonal pieces, and get your living room back. Small pumpkins and a runner are easy to store, and nothing extra needs a new home in January.
Styling can reuse fall items you may already own — small pumpkins, a runner, linen napkins.
More small-space ideas: DecorHomy — Small Apartment Decor, Renter-Friendly Storage & Budget Home Ideas