One of 600 Shelby F-150s produced for 2021, with 54 miles and CSM no. 21ST0011. Its supercharged 5.0L V-8 is rated at 775 horsepower and uses a Ford Racing Blue powder-coated supercharger and intake manifold, Shelby Performance program tune, and Shelby-tuned Borla exhaust. Annual mileage sits near the low end for this generation.