The Buick Electra was a full-size premium automobile built by the Buick division of General Motors. The Electra name was used in numerous designations by Buick from 1959 to 1990. Prior to 1959, the Roadmaster and the Limited constituted the upper echelon of Buick's lineup. For 1959, they were renamed the Electra and the Electra 225 respectively. The Electra 225 nameplate was a nod to the latter car's overall length of over 225 in (5,715 mm), earning it the street name "deuce and a quarter."

For 1959, the Electra and Electra 225 both used the General Motors C-body shared with the Oldsmobile 98 and all Cadillac, riding on a longer 126.3-inch (3,210 mm) wheelbase than the B-body LeSabre and Invicta, both of which rode on 123 inches (3,100 mm). The standard and only available engine was the 401 cubic-inch Wildcat V8 with four-barrel carburetor, 10.25 to 1 compression ratio and 325 horsepower (242 kW) mated to a two-speed Dynaflow automatic transmission, which was also standard equipment along with power steering and power brakes using Buick's unique 12-inch (300 mm) finned aluminum brake drums. Power windows and seat and leather interiors were standard on the Electra 225 convertible and optional on all other models.

Front bucket seats were optional on the convertible. Electra interiors were trimmed in nylon Mojave cloth or broadcloth combinations with Cordaveen. Electra 225 convertibles were trimmed in leather. Standard Electra features included horizontal Red-line speedometer, two-speed electric windshield wipers, trip mileage indicator, cigar lighter, dual sunshades, Step-On parking brake, dual horns, Twin-Turbine automatic transmission, Foamtex seat cushions, electric clock, trunk light, glovebox light, power steering, power brakes, full wheelcovers and dual exhaust. In addition Electra 225s had Super Deluxe wheelcovers and an outside rearview mirror as standard equipment. Padded dashboards were also standard.