 | 1973 was the final year for the third generation Buick Riviera. As a personal luxury car, the Buick Riviera had a long list of equipment and options. Standard upholstery was vinyl, but leather could be had. Other options included tilt wheel, power seats, power windows, power locks, AM-FM radio, cruise control, and an electric trunk release. This 1973 Buick Riviera GS shows 13,201 miles. It is finished in Burgundy Iridescent with a white vinyl top over a burgundy interior. |
 | Its powered by a 455 ci engine producing 250 hp and 375 pound feet, backed by a three-speed HydraMatic automatic transmission. Sales were just over 34,000 units. |  |
