First-generation Rivieras were built between 1963 and 1965 and featured concealed fender headlights for the 1965 model year only. This example is finished in Sea Foam Green and received an ASC electric sunroof conversion some time ago. Additional exterior features include a pillarless roofline, chrome bumpers, ribbed rocker panel moldings, and a driver-side mirror. The seller notes that touch-up and areas of blended paint are present on the car, and the passenger door was re-aligned in May 2019.
…First-generation Rivieras were built between 1963 and 1965 and featured concealed fender headlights for the 1965 model year only. This example is finished in Sea Foam Green and received an ASC electric sunroof conversion some time ago. Additional exterior features include a pillarless roofline, chrome bumpers, ribbed rocker panel moldings, and a driver-side mirror. The seller notes that touch-up and areas of blended paint are present on the car, and the passenger door was re-aligned in May 2019.
Chromed Buick Rally wheels are mounted with BFGoodrich Silvertown whitewall tires. A spare and jack are housed in the trunk. The brake master cylinder, right front brake hose, and all four wheel cylinders were replaced, the brake shoes were adjusted, and a brake fluid flush was performed in May 2019.
The four-place cabin is trimmed in black vinyl upholstery and features wood trim on the dash, center console, and interior panels. Buick-logo rubber mats line the floors and additional appointments include an AM/FM radio, a power-adjustable driver’s seat, electric windows, cruise control, air conditioning, and a cassette player and graphic equalizer mounted below the dash. The emergency brake pedal was replaced in May 2019 and the A/C was converted to use R134a refrigerant in 2020.
A two-spoke wood-rimmed steering wheel fronts a 140-mph speedometer, an analog clock, and a fuel gauge, along with warning lights for oil pressure, coolant temperature, and voltage. The five-digit odometer indicates under 15k miles, though total mileage is unknown.
The 425ci V8 for the Gran Sport Performance Package featured dual four-barrel carburetors, hydraulic lifters, and a 10.25:1 compression ratio. Factory-rated output was 360 horsepower and 465 lb-ft of torque. Work performed in March 2020 consisted of rebuilding the alternator and starter, replacing three belts, and installing a new voltage regulator. An oil change and a fluid service were performed in September 2019.
Engine stamping 906471 matches the last six digits of the vehicle’s chassis number shown in the gallery.
Power is sent to the rear wheels through a three-speed automatic transmission and a Positraction rear end with 3.42:1 gearing. An aluminum exhaust was installed in May 2019, and additional underside images are presented in the gallery.