Popup campers are pretty lightweight especially if they're the smaller model of popup campers.
The smallest popup campers can weigh as little as 600 pounds while some larger ones that includes, sinks, showers etc can weigh as much as a ton or 2,000 pounds.
Just about any vehicle can handle towing A popup camper especially the lighter weight ones and the largest Popup campers can easily and safely be towed behind a 1/2 ton van or pickup.