This 1965 Buick Rivera Gran Sport was refinished in Arctic White lacquer over a black vinyl interior under previous ownership and is powered by a replacement 425ci V8 paired with a three-speed automatic transmission.

The 425ci Nailhead V8 is an LX-code replacement that was installed prior to 1982 and have been rebuilt in the 1980s.

Underhood features include dual four-barrel carburetors, ribbed rocker covers, a dual-circuit brake master cylinder, and more.

An oil change was performed in advance of the sale.

Power is sent to the rear wheels through a three-speed Super Turbine 400 automatic transmission and a 3.42:1 rear end with a limited-slip differential.

A dual exhaust system with twin turbo-style mufflers has been added.

Additional equipment includes power windows, air conditioning, a power driver’s seat, twin four-barrel carburetors, and a dual exhaust system.

The body was repainted in its factory Arctic White using lacquer paint with a pearlescent additive in 1985.

The chrome trim have been replated at the time, and the windshield was also replaced.

Polished 15″ rally wheels wear reproduction center caps and older whitewall tires, with the right front mismatched.

The car is equipped with power-assisted steering and four-wheel finned drum brakes.

The black vinyl interior features bucket seats, power windows, and replacement carpets.

The woodgrain trim was refinished and a wood-rimmed steering wheel was added.

Amenities include air conditioning and a pushbutton AM/FM radio with a selectable reverb effect and a power antenna.

The five-digit odometer shows approximately 7k miles, with total mileage unknown.