The Cadillac Eldorado's new design for 1967 was well-received, leading to immediate sales success for the coupe.Both 1967 and 1968 were strong years for Cadillac, breaking sales records.Cadillac introduced revised front ends with horizontally-oriented quad lamps for 1969 models.The 1969 Eldorado saw changes such as the loss of covered headlamps and a more modern appearance.Sales declined for the 1969 Eldorado, while the Seventy-Five models saw an increase in sales.In 1970, Cadillac's lineup was the oldest ever, with Eldorado being four years old.Prices increased in 1970, but were lower when adjusted for inflation compared to 1969.DeVille continued to be a revenue driver, with impressive sales in various models.Despite its aged lineup, Cadillac achieved record sales of 238,744 cars in 1970.Cadillac faced challenges with styling and quality as it entered the disco era.