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For 1958, GM was promoting its 50th year of production, and introduced anniversary models for each brand; Cadillac, Buick, Oldsmobile, Pontiac, and Chevrolet.  The 1958 models shared a common appearance on the top models for each brand; Cadillac Eldorado Seville, Buick Limited Riviera, Oldsmobile Starfire 98, Pontiac Bonneville Catalina, and the Chevrolet Bel-Air Impala.

The Impala was introduced for the 1958 model year as a top-of-the-line Bel Air in 2-door hardtops and convertibles. As part of a GM economy move, the 1959 Chevrolet Impala was redesigned to share bodyshells with lower-end Buicks, Oldsmobiles, and Pontiacs. Using a new X-frame chassis, the roof line was 3 inches lower, bodies were 2 inches wider, the wheelbase was 1-1/2 inches longer, and curb weight increased. Flattened tailfins protruded outward, rather than upward. The taillights were a large "teardrop" design at each side, and two slim-wide, non-functional front air intake scoops were added just above the grille. The 1960 Impala models reinstated three round taillights on each side, and a white band running along the rear fenders. The Impala was restyled on the GM B platform for the first time for 1961. The new body styling was more trim and boxy than the 1958–1960 models. Sport Coupe models featured a "bubbleback" roof line style for 1961, and a unique model, the 2-door pillared sedan, was available for 1961 only. It was rarely ordered. A "Super Sport" (SS) option debuted for 1961. The 1962 model featured new "C" pillar styling for all models except the 4-door hardtop. Sport Coupe models now featured the "convertible roof" styling, shared with other GM "B" full-sizehardtop coupe, which proved popular. The 1963 Impala featured rectilinear styling with an engine-turned aluminum rear taillight panel surrounded by a chrome border on SS models. Engine choice was similar to 1962, with the small-block 283 cu in (4.6 L) and 327 cu in (5.4 L) V8s most popular. The Stovebolt six-cylinder engine was replaced with a new 230 cu in (3.8 L) Turbo-Thrift six that used thinwall castings and would continue as the standard engine for Chevrolet cars through 1979. For 1964, the Impala was restyled to a more rounded, softer look. The signature taillight assembly had an "upside-down U" shaped aluminum trim strip above the taillights, but the individual lights were surrounded by a body-colored panel. The 409 cu in (6.7 L) V8 engine returned as the big-block option, as well as dual four-barrel (four-choke) Carter AFB carburetors, which produced 425 bhp (431 PS; 317 kW) at 6,000 rpm and 425 lb⋅ft (576 N⋅m) at 4,200 rpm of torque.[24] SS models continued to feature the engine-turned aluminum trim. Rooflines were carried over from 1963 unchanged. Back-up lights were standard.[25]All full-size 1964 Chevrolet station wagons received small rectangular taillight lenses mounted vertically, one for each side of the car.The Impala Super Sport became its own series this year instead of an option package.The 1964 model year is a staple of lowrider culture.

GC-073 A 1964 Chevrolet Impala SS Azure Aqua

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