Prices shown are the prices you can expect to pay for a 1976 Mercury Comet 4 Door Sedan across different levels of condition. Edit options.

Discover the rare 1966 Mercury Comet Cyclone GT Pace Car, one of only 100 produced and impeccably restored. F or enthusiasts of classic American muscle cars, the 1966 Mercury Come ...

while the head of the comet (called the coma) easily rivaled the planet Mercury — which was then shining at magnitude -0.3 — in brightness.