1991 Mercury Grand Marquis GS
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Unverified
All photo credits
- Photo: Mercury Grand Marquis GS Diplomat 1989 (14002540758) by order_242 from Chile, CC BY-SA 2.0, via Wikimedia Commons
- Photo: Mercury Grand Marquis GS Diplomat 1989 (11845509986) by order_242 from Chile, CC BY-SA 2.0, via Wikimedia Commons
- Photo: GMboat by Karrmann, CC BY-SA 3.0, via Wikimedia Commons
- Photo: 1988-91 Mercury Grand Marquis by IFCAR, Public domain, via Wikimedia Commons
The 1991 Mercury Grand Marquis GS is a 150-hp V8 with a 4-speed automatic and rear-wheel drive. It starts at $18,741 MSRP and is rated at 18 mpg combined.
It makes 150 horsepower and 270 lb-ft of torque. EPA fuel-economy estimates are 15 mpg city and 22 mpg highway (18 mpg combined).
The Grand Marquis measures 213.5 inches long on a 114.3-inch wheelbase and has a curb weight of 3,836 lb.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Sedan |
| Powertrain | Gas |
| Price | |
| MSRP | $18,741 ($44,720 *) |
| Engine | |
| Engine Type | 5.0L (302 cid) Windsor OHV V8, sequential MPI, naturally aspirated |
| Horsepower | 150 hp |
| Torque | 270 lb-ft |
| Valvetrain | OHV V8 |
| Injection Type | Sequential multi-port fuel injection (SFI) |
| 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 | 15 MPG |
| Highway | 22 MPG |
| Combined | 18 MPG |
| Recommended Fuel | Regular unleaded |
| Tank Capacity | 18 gal |
| Tires & Wheels | |
| Wheels Front | 15 in |
| Wheels Rear | 15 in |
| Dimensions & Weight | |
| Length | 213.5 in |
| Width | 77.5 in |
| Height | 55.4 in |
| Wheelbase | 114.3 in |
| Cargo Volume | 21 ft³ |
| Curb Weight | 3,836 lbs |
| Interior | |
| Headroom Front | 37 in |
| Headroom Rear | 37 in |
| Legroom Front | 43 in |
| Legroom Rear | 39 in |
| Shoulder Room Front | 61 in |
| Shoulder Room Rear | 61 in |
| Hip Room Front | 57 in |
| Hip Room Rear | 57 in |
Similar cars
Rivals to the 1991 Mercury Grand Marquis GS 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 1991 Mercury GRAND MARQUIS. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
Mar 18, 1991 · POWER TRAIN:AUTOMATIC TRANSMISSION
THE PARK ROD ASSEMBLY CONTAINS A PARK CAM WITH INADEQUATE SURFACE HARDNESS, WHICH COULD LEAD TO PARK DISENGAGEMENT OR NO PARK ENGAGEMENT WHEN THE LEVER IS PLACED IN PARK.
Consequence: IF PARK IS NOT ENGAGED AND THE PARKING BRAKE IS OFF, AVEHICLE ROLL-AWAY COULD RESULT.
Remedy: REPLACE PARK ROD ASSEMBLY ON AUTOMATIC TRANSMISSIONS.
NHTSA campaign 91V048000
Oct 30, 1990 · AIR BAGS:FRONTAL
THREADED INFLATOR COMPONENTS MAY HAVE BEEN DAMAGED DURING ASSEMBLY WHICH MAY ALLOW COMPONENTS TO SEPARATE WHEN INFLATOR RECEIVES A SIGNAL TO DEPLOY THE AIR BAG.
Consequence: INFLATOR COMPONENT SEPARATION ALLOWS HOT COMBUSTION GASES TO ESCAPE INTO THE PASSENGER COMPARTMENT WHICH COULD RESULT IN INJURIES TO VEHICLE OCCUPANTS.
Remedy: REPLACE AIR BAG MODULES CONTAINING POTENTIALLY DEFECTIVE INFLATORS.
NHTSA campaign 90E043001
82 owner complaints to NHTSA for the 1991 Mercury GRAND MARQUIS
Owner Complaints
82 owner complaints filed with NHTSA for the 1991 Mercury GRAND MARQUIS (12 mention a crash, 14 a fire, 10 an injury). See all on nhtsa.gov
| Electrical System | 21 |
| Vehicle Speed Control | 12 |
| Hydraulic | 11 |
| Service Brakes | 11 |
| Air Bags | 10 |
| Engine And Engine Cooling | 10 |
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 1991 MERCURY GRAND MARQUIS. US-market vehicles only; data cached for up to 7 days.