[2][3] The "Encore" designation was previously used by American Motors Corporation (AMC) for the subcompact two and four-door hatchback variants of the U.S.-built front-wheel drive Renault Alliance from 1984 to 1987.

The 2013, 2014 and 2015 Encore in the U.S. was offered in Base, Convenience, Leather, and Premium level models with the A14NET 1.4-liter inline-four multi-port fuel injected (MFI) VVT turbo gasoline engine rated at 128 hp (95 kW; 130 PS) @ 4900 rpm coupled to a 6-speed automatic transmission.

For 2016, a new Sport Touring second tier model was added which included an 18-inch alloy wheels with midnight silver finish, rear spoiler, body-color door handles, remote start, fog lights, and a new more powerful B14XFT Ecotec inline four-cylinder direct fuel injection VVT engine rated at 153 hp (114 kW; 155 PS) @ 5600 rpm in Encore marketing materials.

The Ecotec direct-injection engine package includes Stop/Start technology to improve fuel economy and was made available as an option on all but the base model for 2017 and 2018.

All trims except for the mid-level Preferred trim were discontinued, and the Preferred became the new "base model" of the Encore, with limited exterior color options, only one interior color option, and condensed options.General Motors discontinued the Buick Encore following the 2022 model year.