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1991 Buick Regal

US · Midsize Cars

The 1991 Buick Regal is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
Varies by configuration: 3.1L 6-cylinder (FFS), 3.8L 6-cylinder (FFS)
Transmission
4-speed automatic
Drivetrain
FWD
Fuel
Gasoline
Economy
20 mpg (11.8 L/100 km) combined
Generic outline for this body type. An illustration, not a photograph.
Specifications at a Glance

Key Figures

Units:
Engine / Powertrain
3.1L 6-cylinder (FFS), 3.8L 6-cylinder (FFS)
Combined Economy
20 MPG US (11.8 L/100 km) · EPA
Drivetrain
FWD
Transmission
4-speed automatic
Market: US·Switch units to convert the figures shown.
Compare 1991 Buick Regal ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 3.1L 6-cylinder (FFS), 3.8L 6-cylinder (FFS)
Displacement3.1 L to 3.8 L
Cylinders6
Fuel typeGasoline

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears4
DrivetrainFWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined20 mpg (11.8 L/100 km)
City17 mpg (13.8 L/100 km)
Highway26 mpg (9.0 L/100 km) to 28 mpg (8.4 L/100 km)

Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.

Trims and configurations

2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 7 recall campaigns for this model year. Last checked November 7, 2026.

  • 06E043000: FUEL SYSTEM, GASOLINE

    CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS…

    Remedy: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION 1).

    Reported May 19, 2006. View on NHTSA

  • 00V189000: STRUCTURE

    VEHICLE DESCRIPTION: PASSENGER VEHICLES ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA, WHERE ROAD SALT USE IS HEAVY. A CONDITION WHERE ONE…

    Remedy: DEALERS WILL REPLACE THE FRONT AND REAR FRAME/CRADLE BOLTS AND RETAINERS.

    Reported July 11, 2000. View on NHTSA

  • 97V058000: STRUCTURE

    VEHICLE DESCRIPTION: PASSENGER VEHICLES AND MINI VANS ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, ILLINOIS, INDIANA, MAINE, MASSACHUSETTS, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT AND WISCONSIN. THE REAR CRADLE BOLTS PULL THROUGH THE RETAINERS DUE TO CORROSION OF THE RETAINER. IF BOTH BOLTS PULL THROUGH, THE…

    Remedy: DEALERS WILL REPLACE THE REAR CRADLE BOLTS AND RETAINERS.

    Reported April 8, 1997. View on NHTSA

  • 95V152000: EXTERIOR LIGHTING

    INCORRECT CLEAR FRONT SIDE MARKER BULBS WERE INSTALLED RATHER THAN AMBER BULBS. THIS DOES NOT CONFORM TO THE REQUIREMENTS OF FMVSS NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."

    Remedy: DEALERS WILL REPLACE THE CLEAR BULBS WITH THE CORRECT AMBER BULBS.

    Reported August 8, 1995. View on NHTSA

  • 93V145000: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    THE FUEL FEED HOSE CAN PULL OUT OF THE CRIMPED COUPLING AT THE ENGINE END OF THE HOSE ASSEMBLY, CAUSING FUEL LEAKAGE.

    Remedy: INSTALL A NEW FUEL FEED HOSE.

    Reported September 3, 1993. View on NHTSA

  • 92V003000: SEAT BELTS

    THE FRONT DOOR SHOULDER BELT GUIDE LOOPS MAY BE CRACKED AND ARE NOT IN COMPLIANCE WITH FMVSS 208.

    Remedy: INSTALL REINFORCING PLATES ON THE CRACKED SHOULDER BELT GUIDES.

    Reported January 10, 1992. View on NHTSA

  • 91V005000: SEAT BELTS

    FRONT SHOULDER SAFETY BELT WEBBING MAY SEPARATE AT FRONT BELT UPPER GUIDE LOOPS ON EITHER SIDE OF THE FRONT SEAT.

    Remedy: INSTALL A CONTROLLED ROTATION BRACKET ON DRIVER AND PASSENGER SIDE FRONT SEAT BELT GUIDE LOOPS.

    Reported October 2, 1991. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved October 21, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 21, 2026 · US Government public data

Source checked: October 21, 2026

Data verified: October 21, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Related vehicles

  • Varies by configuration: 3.1L 6-cylinder ((FFS)), 3.8L 6-cylinder ((FFS)) · FWD
    20 mpg (11.8 L/100 km) to 19 mpg (12.4 L/100 km)

  • Varies by configuration: 3.1L 6-cylinder ((FFS)), 3.8L 6-cylinder ((FFS)) · FWD
    20 mpg (11.8 L/100 km) to 19 mpg (12.4 L/100 km)

Frequently asked questions

What engine does the 1991 Buick Regal have?

Varies by configuration: 3.1L 6-cylinder ((FFS)), 3.8L 6-cylinder ((FFS)). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 1991 Buick Regal?

Combined fuel economy is 20 mpg (11.8 L/100 km), as published by the source shown in the specification table.

Is the 1991 Buick Regal front-wheel, rear-wheel or all-wheel drive?

Drivetrain: FWD.

Are there recalls for the 1991 Buick Regal?

NHTSA lists 7 recall campaigns for this model year (last checked November 7, 2026). Details are in the Recalls section.