The Riviera is a passenger car from Buick, with rear wheel drive, a front located engine and a Bill Mitchell / Ned Nickles-designed 2 door coupé body style.
It forms part of Buick's Series 4700 range of cars.
Power is supplied by an overhead valve, 7 litre naturally aspirated 8 cylinder motor, with 2 valves per cylinder that provides power and torque figures of 340 bhp (345 PS/254 kW) at 4400 rpm and 630 N·m (465 lb·ft/64.2 kgm) at 2800 rpm respectively.
A continuously variable transmission transmits the power to the wheels.
Full specs