Introducing the 2025 Collins DE516WR – a premium mid-size bus built for reliability, comfort, and long-term performance. Built on a rugged GMC chassis and powered by a proven 6.6L V8 engine, this bus delivers the strength and durability your fleet demands. Paired with a smooth-shifting GMC 6-Speed Automatic Transmission, the DE516WR provides confident acceleration, seamless gear changes, and dependable operation in city, suburban, or rural routes. The 6.6L V8 platform is engineered for longevity and consistent torque, making it ideal for school routes, shuttle services, church groups, senior transportation, and commercial passenger operations. The automatic transmission enhances driver comfort while reducing fatigue on longer routes.