In 2026, 4-wheel (spinner) suitcases are generally considered "better" for the modern traveler navigating smooth, paved surfaces like airport terminals and hotel lobbies. Their primary advantage is 360-degree maneuverability, allowing you to glide the bag beside you with zero strain on your wrist or shoulder, which is a major benefit for heavy bags. However, 2-wheel suitcases are still superior for rugged terrain, such as cobblestone streets in Europe, thick carpets, or snow, as their larger, recessed wheels are less prone to snapping off and roll more easily over obstacles. Spinners are also prone to "drifting" away on slopes if not held. For most 2026 travelers who move from Uber to Airport to Hotel, the ease of the spinner is preferred, but "road warriors" seeking maximum durability still often swear by the classic 2-wheel "upright" design.