Is the Mercury Grand Marquis a good car?

Yes — the Mercury Grand Marquis is a good car if you want a roomy, comfortable used sedan with a strong reputation among owners. The all-generations owner rating is 4.38/5 across every model year in the data.

Owners consistently praise its reliability, comfort, and spaciousness. They also frequently highlight its smooth ride and powerful V8 engine, along with the balance of performance and decent highway fuel economy.

9.9% of listings are priced as good or great deals.

Are Mercury Grand Marquis models reliable?

Owners consistently praise the Mercury Grand Marquis for its reliability, and the overall ownership experience is also shaped by its comfort and smooth ride. The V8 engine and roomy cabin are recurring strengths that help support its long-standing appeal.

For used buyers, long-term ownership risk is best managed by checking service history carefully and focusing on well-maintained examples, especially given the model’s age and the possibility of higher maintenance costs over time.

What should I look for when buying a used Mercury Grand Marquis?

Across all model years, at 62.6% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

These recommendations are based on CarGurus' proprietary market data from August 21, 2026, CarGurus experts' opinions, and generative AI.