MercuryGrand Marquis1994Overview/mercury/grand-marquis/1994/base/

1994 Mercury Grand Marquis

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1994 Grand Marquis.

Body PASSENGER CARTransmission Automatic 4-spd

The 1994 Mercury Grand Marquis is a passenger car that uses a 5.0‑qt oil capacity with a 5W‑20 API specification and is mated to a four‑speed automatic transmission, returning EPA‑rated fuel economy of 16/23/18 mpg. Owner reports tally 226 complaints for the year, with the Vehicle Speed Control system cited as the top problem area and three recalls on record. Compared with the 1990‑2011 complaint span — where the worst year (2005) saw 487 complaints and the best year (2011) only 9 — the 1994 figure sits in a moderate, reliable range for the model.

Model year201120102009200820072006200520041994

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity5.0 qtOEM · verified
Engine oil type5W-20 APIOEM · verified
EPA fuel economy16/23/18 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

OE service part numbers OEM · verified

ThermostatRT1229

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Dimensions & weight NHTSA vPIC

Overall length212.6 in
Overall width78 in
Overall height56.7 in
Wheelbase114.6 in
Curb weight3785 lb
Track (front / rear)63 / 63.4 in
Weight distribution (front / rear)56/44

Ratings & economy EPA / vPIC

EPA city / highway / combined16 / 23 / 18 mpg
DrivetrainRear-Wheel Drive
Passenger volume111 cu ft
Cargo volume21 cu ft
Recommended fuelRegular Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 5.0 qt of 5W-20 API engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL
Engine OilSYNTHETIC · 5W-20 · API
Engine Oil Capacity5.0 qt
Power Steering FluidATF

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 5,000 mi; spark plugs every 30,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

At 5,000 miTire & Wheel Assembly (rotate)
Every 5,000 miEngine Oil (drain & refill) · Engine Oil Filter (replace)
Every 10,000 miTire & Wheel Assembly (rotate)
Every 15,000 miSteering Linkage (inspect) · Suspension System (inspect)
Every 30,000 miBrake Linings (inspect) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Exhaust System Heat Shield (inspect) · Spark Plugs (replace)
Every 60,000 miAccessory Drive Belt (inspect) · PCV Valve (replace)
Every 100,000 miDrive Axle Assembly (drain & refill)
At 120,000 miTransmission Fluid & Filter (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

In 1994 the Grand Marquis recorded 226 complaints and 3 recalls, a moderate level that sits between the sharp spike in 1992 (346 complaints) and the lower figures of 1993 (186 complaints). Across the generation, complaints rise from the early 1990s to a peak of 487 in 2005 before falling sharply after 2006; recalls remain low, peaking at seven in 1995 and 2000 but never exceeding eight. The 1994 year falls near the middle of this arc, suggesting a relatively stable period without extreme defect activity. The top complaint categories—Vehicle Speed Control (40), Service Brakes (24), Engine & Cooling (20), and Visibility (18)—indicate that most issues were related to operational systems rather than catastrophic failures. With 22 crash complaints and 27 fire complaints, the safety profile is comparable to adjacent years. Overall, 1994 represents a solid buying year within this generation, offering fewer recall concerns than the later peak years while maintaining a consistent complaint trend.

3
Open recalls
NHTSA campaigns
78
Service bulletins
Manufacturer communications
6
ODI investigations
Office of Defects Investigation
226
Owner complaints
22 involved a crash · 27 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 226 complaints on record, top 8 components.

Vehicle Speed Control40
Service Brakes, Hydraulic24
Engine & Engine Cooling20
Visibility18
Seats18
Power Train16
Electrical System14
Steering13

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

08V051000Vehicle Speed Control:Cruise ControlReported 04/02/2008

FORD IS RECALLING 225,000 MY 1992-2003 ECONOLINE, MY 1993-1995 TAURUS SHO, MY 1992-1998 CROWN VICTORIA, MY 1993 BRONCO, F-SERIES, MY 1995-1997 F-SERIES SUPER DUTY STRIPPED CHASSIS, MY 1992-1998 MERCURY GRAND MARQUIS… Remedy: DEALERS WILL INSTALL A NEW WIRING HARNESS, OR REPLACE THE MATING ELECTRICAL COMPONENT. THE RECALL BEGAN ON FEBRUARY 18, 2008. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

07V336000Vehicle Speed ControlReported 03/08/2007

ON CERTAIN PICKUP TRUCKS, PASSENGER VEHICLES, SPORT UTILITY VEHICLES, AND MOTOR HOMES CHASSIS, THE SPEED CONTROL DEACTIVATION SWITCH MAY, UNDER CERTAIN CONDITIONS, LEAK INTERNALLY AND THEN OVERHEAT, SMOKE, OR BURN. Remedy: DEALERS WILL INSTALL A FUSED WIRING HARNESS. OWNERS OF THE PASSENGER CARS INCLUDED IN THIS CAMPAIGN WILL BE INSTRUCTED TO RETURN THEIR VEHICLES TO THEIR DEALERS TO HAVE THE SPEED…

Technical service bulletins NHTSA · verified

Showing 5 of 78 bulletins on record with NHTSA.

BulletinDateComponentSummary
CSP 08B042008-05-15Fuel System, GasolineFORD/LINCOLN MERCURY: CERTAIN 1992-2001 MODEL YEAR CROWN VICTORIA, GRAND MARQUIS, AND…
031812003-09-15Electrical SystemREMOTE KEYLESS ENTRY (RKE) - SERVICE TIPS. *TT
031482003-07-21Power TrainNEW TRANSMISSION COOLER FLUSHER - SERVICE TIPS. 2003 ESCORT AND SUPER DUTY F SERIES…
032612003-01-05Power TrainNEW SERVICE PART - NUMBER 5 NEEDLE BEARING AND RACE KIT - 4R70W TRANSMISSION - SERVICE…
022082002-10-14EquipmentCLIMATE CONTROL A/C SERVICE TECH TIPS. *EH

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Grand Marquis. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 1994 Grand Marquis take?

5.0 qt of SYNTHETIC 5W-20 API, per the factory manual.

Does the 1994 Grand Marquis have open recalls?

NHTSA lists 3 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Grand Marquis get?

EPA figures are 16 city / 23 highway / 18 combined mpg.