By the ends of the 1970s, the Grand Marquis' proved so popular it would even outsell the full-sized Mercury base model. In 1983, the Grand Marquis branding was exclusively applied to the largest ...

Select a vehicle year and model below to get a valuation. The Mercury Grand Marquis emerged in 1975 as a posher version of the existing Marquis. By the ends of the 1970s, the Grand Marquis' proved so ...