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2021 Mazda CX-9

US · SUV · Small Sport Utility Vehicle 2WD

The 2021 Mazda CX-9 is listed in the US market as a suv 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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
2.5L 4-cylinder turbocharged (SIDI)
Transmission
6-speed automatic
Drivetrain
Varies by configuration: FWD, 4WD
Fuel
Gasoline
Economy
23 mpg (10.2 L/100 km) to 24 mpg (9.8 L/100 km) combined
Generic outline for this body type. An illustration, not a photograph.
Specifications at a Glance

Key Figures

Units:
Engine / Powertrain
2.5L 4-cylinder turbocharged (SIDI)
Combined Economy
23 mpg (10.2 L/100 km) to 24 mpg (9.8 L/100 km) combined
Drivetrain
FWD, 4WD
Transmission
6-speed automatic
Market: US·Switch units to convert the figures shown.
Compare 2021 Mazda CX-9 ↗

Engine

Engine
SpecificationValueSource
Engine2.5L 4-cylinder turbocharged (SIDI)
Displacement2.5 L
Cylinders4
AspirationTurbocharged
Fuel typeGasoline

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears6
DrivetrainVaries by configuration: FWD, 4WD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined23 mpg (10.2 L/100 km) to 24 mpg (9.8 L/100 km)
City20 mpg (11.8 L/100 km) to 22 mpg (10.7 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Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity.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 1 recall campaign for this model year. Last checked November 8, 2026.

  • 21V750000: SEATS:MID/REAR ASSEMBLY

    Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-9 vehicles equipped with 60/40 split bench second-row seats. The left-side second-row seat may unexpectedly slide forward during a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."

    Remedy: Dealers will replace the internal parts of the affected second-row seats, free of charge. Owner notification letters were mailed November 4, 2021. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number…

    Reported September 27, 2021. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved November 4, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 12, 2026 · US Government public data

Source checked: November 4, 2026

Data verified: November 4, 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.

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Frequently asked questions

What engine does the 2021 Mazda CX-9 have?

2.5L 4-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2021 Mazda CX-9?

Combined fuel economy is 23 mpg (10.2 L/100 km) to 24 mpg (9.8 L/100 km), as published by the source shown in the specification table.

Is the 2021 Mazda CX-9 front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: FWD, 4WD.

Are there recalls for the 2021 Mazda CX-9?

NHTSA lists 1 recall campaign for this model year (last checked November 8, 2026). Details are in the Recalls section.