Largest Motorcycle Displacement (2026)
The biggest engines. Plenty of room inside the cylinders to pack in as much air-fuel mixture as possible before igniting it in a controlled explosion and converting that energy into forward motion. That's the basic idea behind a large-displacement engine. As the saying goes, bigger is better—and even bigger is better still. At least until the engine becomes too heavy and too expensive.
Triumph Rocket 3 Storm GT (Cruiser) 2.458 cc
Triumph Rocket 3 Storm R (Cruiser) 2.458 cc
Harley-Davidson FLRXSTCE CVO Road Glide ST (Cruiser) 1.977 cc
Harley-Davidson FLHXSE CVO Road Glide (Cruiser) 1.977 cc
Harley-Davidson FLHXSE CVO Street Glide (Cruiser) 1.977 cc
Harley-Davidson FLTRX Road Glide (Cruiser) 1.923 cc
Harley-Davidson FLHXU Street Glide Ultra (Touring) 1.923 cc
Harley-Davidson FLHX Street Glide (Cruiser) 1.923 cc
Harley-Davidson FLHC Heritage Classic (Cruiser) 1.923 cc
Harley-Davidson FLFB Fat Boy (Cruiser) 1.923 cc