1991 Mercury Grand Marquis GS
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 |
|---|---|
| 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 |
* Amount adjusted for inflation to 2026 dollars