This car has a 2 door coupé type body with a front located engine powering the rear wheels.
The Riviera GS is part of Buick's Series 49400 family of cars.
The 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a displacement of 7 litres. It provides power and torque figures of 360 bhp (365 PS/268 kW) at 5000 rpm and 644 Nm (475 lbft/65.7 kgm) at 3200 rpm respectively.
The engine transfers its power through to the wheels by means of a 3 speed automatic transmission.
Full specs