SS models of the 1964 Chevy Impala feature engine-turned aluminum trim around the car and an optional dashboard tachometer just above the steering wheel. In 1964, this Super Sport appearance package was available for any hardtop sport coupe or two-door convertible Impala.
1964 Chevy Impala models have a big-block V8 option, delivering 425 horsepower. This Turbo Thrust 409 V8 engine features two four-barrel carburetors, impact-extruded pistons, forged-steel connecting rods and a five-bearing crankshaft. The 1964 Chevy Impala also has a small-block V8 option and an inline six-cylinder engine option. The 327 Turbo Fire small-block V8 engine has a 5.4-liter bore, two-barrel carburetor and manual transmission. Various small-block options put the engine's horsepower between 250 horsepower and 300 horsepower. The 3.8-liter Turbo Thrift inline-six engine produces 140 horsepower.