1984 Mercury Grand Marquis LS Coupe
Unverified
All photo credits
- Photo: 1987 Mercury Grand Marquis LS in Silver Metallic, front right, 04-17-2023 by Cutlass, CC0, via Wikimedia Commons
- Photo: 1983-1987 Mercury Grand Marquis -- 09-27-2010 1 by IFCAR, Public domain, via Wikimedia Commons
- Photo: 1987 Mercury Grand Marquis LS in Silver Metallic, rear right, 04-17-2023 by Cutlass, CC0, via Wikimedia Commons
- Photo: 1985 Grand Marquis LS by Taxiguy57, Public domain, via Wikimedia Commons
The 1984 Mercury Grand Marquis LS Coupe is a 140-hp V8 coupe with a 4-speed automatic and rear-wheel drive. It starts at $13,079 MSRP and is rated at 16 mpg combined.
It makes 140 horsepower and 250 lb-ft of torque. EPA fuel-economy estimates are 14 mpg city and 20 mpg highway (16 mpg combined).
The Grand Marquis measures 213.5 inches long on a 114.3-inch wheelbase and has a curb weight of 3,735 lb.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Coupe |
| Powertrain | Gas |
| Price | |
| MSRP | $13,079 ($40,911 *) |
| Engine | |
| Engine Type | 5.0L (302 cid) Windsor OHV V8, CFI, naturally aspirated |
| Horsepower | 140 hp |
| Torque | 250 lb-ft |
| Valvetrain | OHV V8 |
| Injection Type | Throttle-body electronic fuel injection (CFI) |
| Drivetrain | |
| Drive Type | Rear-Wheel Drive |
| Transmission | |
| Transmission | 4-speed automatic (AOD) |
| 1st Gear | 2.4 |
| 2nd Gear | 1.47 |
| 3rd Gear | 1 |
| 4th Gear | 0.67 |
| Reverse | 2 |
| Fuel Economy | |
| City | 14 MPG |
| Highway | 20 MPG |
| Combined | 16 MPG |
| Recommended Fuel | Regular unleaded |
| Tires & Wheels | |
| Wheels Front | 14 in |
| Wheels Rear | 14 in |
| Dimensions & Weight | |
| Length | 213.5 in |
| Width | 77.5 in |
| Height | 55.4 in |
| Wheelbase | 114.3 in |
| Cargo Volume | 22 ft³ |
| Curb Weight | 3,735 lbs |
| Interior | |
| Headroom Front | 37 in |
| Headroom Rear | 37 in |
| Legroom Front | 42 in |
| Legroom Rear | 40 in |
| Shoulder Room Front | 61 in |
| Shoulder Room Rear | 60 in |
| Hip Room Front | 57 in |
| Hip Room Rear | 57 in |
Similar cars
Rivals to the 1984 Mercury Grand Marquis LS Coupe with similar size, power and price from around the same years.
Safety & Recalls
NCAP safety ratings
Not crash-tested by NHTSA for this model year.
Recalls
2 recalls on file with NHTSA for the 1984 Mercury GRAND MARQUIS. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
Aug 27, 2007 · FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
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.
Consequence: A LEAKING FUEL PUMP COULD CREATE A VEHICLE FIRE HAZARD.
Remedy: FEDERAL-MOGUL WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE FUEL PUMPS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 15, 2007. OWNERS CAN CONTACT FEDERAL-MOGUL AT 248-354-7700.
NHTSA campaign 07E064000
Dec 20, 1983 · SEAT BELTS:FRONT:ANCHORAGE
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".
Remedy: DEALERS WILL INSTALL NEW ATTACHING HARDWARE TO IMPROVE THE STRENGTH OF THE MOUNTING.
NHTSA campaign 83V134000
15 owner complaints to NHTSA for the 1984 Mercury GRAND MARQUIS
Owner Complaints
15 owner complaints filed with NHTSA for the 1984 Mercury GRAND MARQUIS (2 mention a crash, 4 a fire, 1 an injury). See all on nhtsa.gov
| Electrical System | 4 |
| Engine And Engine Cooling | 4 |
| Vehicle Speed Control | 3 |
| Fuel System | 2 |
| Gasoline | 2 |
| Structure | 1 |
Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 1984 MERCURY GRAND MARQUIS. US-market vehicles only; data cached for up to 7 days.