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1973 Buick Riviera Stage 1 GS

  • Location: Minneapolis, Minnesota, United States
  • Condition: Used
  • Make: Buick
  • Model: Riviera
  • Type: Coupe
  • Trim: Stage 1 GS
  • Year: 1973
  • Mileage: 106,765
  • VIN: 4Y87W3H431654
  • Color: Blue
  • Engine size: 455-4 Stage 1
  • Number of cylinders: 8
  • Power options: Air Conditioning, Cruise Control, Power Locks, Power Windows, Power Seats
  • Fuel: Gasoline
  • Transmission: Automatic
  • Drive type: RWD
  • Interior color: Burgundy
  • Vehicle Title: Clear

1973 Buick Riviera Stage 1 GS Description

Very rare and highly sought after collectable car. Buick built these legendary boattail's from 1971-1973. Production numbers from 1971-1973 were around 34,000 cars per year. However Buick built a limited amount of GS/Stage 1's for each year with the 1973 being the rarest with production at just 1234. Making the 1973 Buick Riviera stage 1 GS the rarest of the boattails.

The vin on its own confirms this to be a true stage 1 car. The 5th character being a W identifies this to be a true stage 1. This is a numbers matching car and it does have the correct XA motor stampings.

The big 455-4 is a beast of a motor

Linked up to a Turbo Hydra-Matic 400 automatic transmission and 3.23:1 differential.


This unrestored beauty is a absolute pleasure to drive starts and runs real nice. Transmission shifts smooth going down the road.

All glass and chrome is there and in good condition. Power everything.Factory air conditioning.


This is a beautiful example of automotive history.

Great investment will only increase in value.


Clean title in hand.