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 ...

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 ...

Annoyingly, while other EVs started with a 100 per cent charge, the Silverado EV did not. Instead, it started its test with a 73 per cent state of charge, requiring the CAA to estimate its full range.