2026 Harley-Davidson Fat Boy brings a fresh presence to the cruiser world. It keeps the iconic Fat Boy stance with wide front and rear tires and that classic chrome headlight nacelle that makes it stand out on any road. The cast Lakester wheels and bold body lines make the bike look wide and strong from every angle. Harley has kept the look simple and timeless, yet bold — true to what riders expect from the Fat Boy legacy.
Powerful Engine and Performance
Under the Fat Boy’s sculpted fuel tank sits a Milwaukee-Eight 117 Custom V-Twin engine. This big 1,923 cc motor is built for strong torque and smooth power delivery. It makes about 103 hp and 126 lb-ft of torque, which means you get solid acceleration whether you’re cruising the highway or rolling through city streets.Electronic Sequential Port Fuel Injection (ESPFI) system helps keep throttle response smooth.
Smart Technology
Unlike older models that had mostly analog gauges, the 2026 Fat Boy adds more rider-friendly tech. Standard Rider Safety Enhancements include ABS, traction control, and drag-torque slip control to help in tricky conditions like sudden braking or slick roads.There’s a modern display that’s clearer to read, updated hand controls, and even a USB-C charging port for phones or devices, so longer rides don’t leave you disconnected.
Mileage and Fuel Use
Fuel economy for the 2026 Fat Boy is around 47 mpg in U.S. tests, which translates to roughly 18–20 km/l in everyday real-world riding. For such a big cruiser, this is respectable — not record-breaking, but good enough for long rides without stopping too often.fuel tank is about 18.9 litres (5 gallons), which gives a decent range for touring or weekend trips.
Price
In the United States, the starting price for the 2026 Fat Boy is around $22,599 (MSRP). Bikes with extra color options or features can push the price a bit higher, but that number gives a good base idea of what to expect.