AVOIR

1984 Mercury Grand Marquis Wagon

Ownership intelligence · Midsize-Large Station Wagons · Regular Gasoline
70
Good
Consider
AVOIR Score out of 100
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Category Scores

Reliability 90
Longevity 81
Maintenance 62
Depreciation 60
Performance 71
Efficiency 31

Reliability & Ownership FAQ

Is the 1984 Mercury Grand Marquis Wagon reliable?

AVOIR rates the 1984 Mercury Grand Marquis Wagon's reliability 90/100 — excellent — from NHTSA recall counts, complaint density, and multi-year defect trends. Its overall AVOIR ownership score is 70/100 (Good).

How long will a 1984 Mercury Grand Marquis Wagon last?

AVOIR scores the 1984 Mercury Grand Marquis Wagon's longevity 81/100 (excellent), estimated from high-mileage survival data and resale-panel evidence of how far these vehicles actually run.

What does it cost to own a 1984 Mercury Grand Marquis Wagon?

AVOIR scores the 1984 Mercury Grand Marquis Wagon on maintenance 62/100 and depreciation 60/100 — higher is better (lower real cost) — plus fuel, insurance and resale in the full breakdown above.

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AVOIR scores every vehicle across 7 ownership factors using EPA fuel-economy data, NHTSA safety & complaints, IIHS ratings, and a proprietary used-market resale panel.