What is the fuel economy of a 1984 Mercury Grand Marquis?

EPA figures for the 1984 Mercury Grand Marquis reach 16 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.

Are there recalls on the 1984 Mercury Grand Marquis?

NHTSA lists 2 safety recall campaigns for the 1984 Mercury Grand Marquis. Check your specific vehicle by VIN on the official NHTSA site - recalls are fixed free of charge by dealers.

What are common problems with the 1984 Mercury Grand Marquis?

Owners have filed 17 complaints with NHTSA for the 1984 Mercury Grand Marquis, most often about: Electrical System, Engine And Engine Cooling, Structure. Complaint counts reflect what owners report, not confirmed defects.

Mercury · 1984

1984 Mercury Grand Marquis

Official EPA fuel economy and NHTSA recall record, best combined figure 16 MPG.

Fuel economy (EPA)

Engine	Transmission	Fuel	City	Highway	Combined	CO2 g/mi
5.0L 8-cyl	Automatic 4-spd	Regular	14	20	16	555
5.0L 8-cyl	Automatic 4-spd	Regular	13	19	15	592

Safety recalls (NHTSA)

2 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.

Campaign 83V134000

THE BOLTS THAT ATTACH THE D-SHAPED RING FOR THE SHOULDER BELT ARE INADEQUATELY SUPPORTED BY THE MATERIAL IN WHICH THEY ARE MOUNTED. THE ATTACHMENT DOES NOT COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 210, "SEAT BELT ASSEMBLY ANCHORAGES".

Campaign 07E064000

CERTAIN FEDERAL-MOGUL AFTERMARKET FUEL PUMPS SOLD UNDER THE BRAND NAMES OF CARTER, ACCUFLOW, NAPA, TRUFLOW, PARTS DEPO, AND PARTS MASTER, SHIPPED BETWEEN AUGUST 2006 AND JULY 2007 FOR USE ON THE VEHICLES LISTED ABOVE. THE FUEL PUMP DIAPHRAGM IN CERTAIN PRODUCTION RUNS MAY HAVE BEEN IMPROPERLY INSTALLED OR INADEQUATELY TESTED WHICH MAY CAUSE THE FUEL PUMP TO LEAK.

Owner complaints (NHTSA)

17 complaints filed by owners for this model year (1 involving a crash, 6 a fire). Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.

Electrical System 6 Engine And Engine Cooling 4 Structure 3

Decode this car's VIN All Mercury models

Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.