Skip to content
AutoSpec Index
Menu

2018 Buick Regal

US · Large Cars

The 2018 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 2.0L 4-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI)
Power
Not available
Torque
Not available
Transmission
Automatic
Drivetrain
Varies by configuration: FWD, AWD
Fuel
Gasoline
Seating
Not available
Generic outline. Published dimensions for this vehicle are not available.
Specifications at a Glance

Key Performance & Dimensions

Units:
Engine / Powertrain
GASOLINE
Power Output
Not available
Peak Torque
Not available
Combined Economy
Not available
Drivetrain
Not available
Transmission
AUTOMATIC
Capacity
Not available
Exterior Dimensions
Not available
Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.
Compare 2018 Buick Regal ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI)
Displacement2.0 L to 3.6 L
Cylinders4 to 6
AspirationTurbocharged
Fuel typeGasoline

Not available from our sources: Power, Torque.

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears8 to 9
DrivetrainVaries by configuration: FWD, AWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined26 mpg (9.0 L/100 km) to 22 mpg (10.7 L/100 km)
City22 mpg (10.7 L/100 km) to 19 mpg (12.4 L/100 km)
Highway32 mpg (7.4 L/100 km) to 27 mpg (8.7 L/100 km)

Not available from our sources: Electric range, Battery capacity.

Trims and configurations

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

Recalls

NHTSA lists 3 recall campaigns for this model year. Last checked October 12, 2026.

  • 22V465000: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

    General Motors, LLC (GM) is recalling certain 2018-2020 Buick Regal vehicles. In the event of a vacuum-power brake assist failure, a software error in the electronic brake control module (EBCM) may result in a loss of power brake assist. As such, these vehicles fail to conform to Federal Motor Vehicle Safety Standard No. 135, "Light vehicle brake systems."

    Remedy: Dealers will update the EBCM software, free of charge. Interim owner notification letters advising owners of the safety risk were mailed on August 19, 2022. Owner notification letters were mailed September 16, 2022. Owners may contact…

    Reported June 30, 2022. View on NHTSA

  • 18V576000: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

    General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.

    Remedy: GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006,…

    Reported August 30, 2018. View on NHTSA

  • 18V230000: SEAT BELTS:REAR/OTHER

    General Motors LLC (GM) is recalling certain 2018 Buick Regal vehicles. During the manufacturing process, the rear seat belts may have been improperly routed around the bolster bracket on the rear outboard seats, which can cause inadequate restraint of the passengers.

    Remedy: GM will notify owners, and dealers will inspect the rear outboard seat belts, correcting the routing of the seat belts as necessary, free of charge. The recall began May 14, 2018. Owners may contact Buick customer service at…

    Reported April 12, 2018. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved October 12, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 12, 2026 · US Government public data

Source checked: October 12, 2026

Data verified: October 12, 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: 2.0L 4-cylinder turbocharged (SIDI), 2.4L 4-cylinder (SIDI) · Varies by configuration: FWD, AWD
    24 mpg (9.8 L/100 km) to 22 mpg (10.7 L/100 km)

  • Varies by configuration: 3.6L 6-cylinder (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · Varies by configuration: AWD, FWD
    26 mpg (9.0 L/100 km) to 22 mpg (10.7 L/100 km)

Frequently asked questions

What engine does the 2018 Buick Regal have?

Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.6L 6-cylinder (SIDI). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2018 Buick Regal?

Combined fuel economy is 26 mpg (9.0 L/100 km) to 22 mpg (10.7 L/100 km), as published by the source shown in the specification table.

Is the 2018 Buick Regal front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: FWD, AWD.

Are there recalls for the 2018 Buick Regal?

NHTSA lists 3 recall campaigns for this model year (last checked October 12, 2026). Details are in the Recalls section.