A GMC Sierra EV owner towed a 28-foot Airstreamⓘ 224 miles from Brooklyn to Somerville, Massachusetts, without stopping to charge, arriving with 14% battery remaining. The trip was conducted at an average speed of 60-65 mph. The implied full-pack towing range is approximately 260 miles. The result highlights the capabilities of large-battery electric pickups when towing aerodynamic trailers.