2023 Mazda CX-9 Specs: MPG, Gas Mileage, Engine Size & Dimensions

2015–2023 model years16 variantsUp to 24 MPG combined

2023 Mazda CX-9 Specs at a Glance

The 2023 Mazda CX-9 gets 23 mpg combined on the 2.5L 4-Wheel Drive configuration, tows up to 3,500 lbs, weighs 4,387 lbs, measures 199.6 in long. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
23 mpg (20 city / 26 hwy)
Best configuration: 2.5L · 4-Wheel Drive · Automatic (S6)
Engine
2.5L 4-cyl
2.5L · 4-Wheel Drive · Automatic (S6)
Max towing
3,500 lbs
Maximum when properly equipped
Curb weight
4,387 lbs
Heaviest recorded configuration: CX-9 4DR SUV AWD
Length
199.6 in · 77.6 in wide · 67.7 in tall
Wheelbase
115.4 in
Fuel tank
19.5 gal
NHTSA overall
5-star (2023)

2023 Mazda CX-9 trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive202623

Detailed Specifications

Mazda CX-9 Generations

Grouped by year ranges where the engine lineup, drivetrain options, and EPA class stay consistent — a derived approximation of the factory generations, not a manufacturer-published list.

YearsVariantsEnginesDriveClassBest MPG
2016–2023142.5L4-Wheel Drive, Front-Wheel DriveSmall Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD24
201523.7L4-Wheel Drive, Front-Wheel DriveSmall Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD19

Mazda CX-9 — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2023Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive202623Regular Gasoline
2022Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive202623Regular Gasoline
2021Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive222824Regular Gasoline
2021Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive202623Regular Gasoline
2020Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive222824Regular Gasoline
2020Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive202623Regular Gasoline
2019Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive222824Regular Gasoline
2019Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive202623Regular Gasoline
2018Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive222824Regular Gasoline
2018Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive202623Regular Gasoline
2017Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive222824Regular Gasoline
2017Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive202623Regular Gasoline
2016Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive222824Regular Gasoline
2016Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive212623Regular Gasoline
2015Auto (S6), 6 cyl, 3.7 L6 · 3.7LAutomatic (S6)Front-Wheel Drive172419Regular Gasoline
2015Auto (S6), 6 cyl, 3.7 L6 · 3.7LAutomatic (S6)4-Wheel Drive162219Regular Gasoline

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Mazda CX-9 — Frequently Asked Questions

What is the fuel economy of the 2023 Mazda CX-9?

The Mazda CX-9 is EPA-rated at up to 24 MPG combined (22 city / 28 highway), a historical peak recorded on the 2021 model year.

What is the towing capacity of the 2023 Mazda CX-9?

When properly equipped, the Mazda CX-9 tows up to 3,500 lbs (With Trailer Hitch).

What engine does the 2023 Mazda CX-9 have?

The Mazda CX-9 uses a 2.5L 4-cylinder engine paired with an Automatic transmission.

What years of the Mazda CX-9 are covered here?

This page documents 16 verified Mazda CX-9 configurations across model years 2015–2023.

Which model year of the Mazda CX-9 is the most fuel efficient?

The 2021 Mazda CX-9 holds the highest combined rating at 24 MPG; the 2015 sits lowest at 19 MPG, a difference of 5 MPG (about 26%) across the 9 rated years on file.

How many engine options does the Mazda CX-9 have?

The records list 2 distinct displacements for the Mazda CX-9 — 2.5L, 3.7L — which is why combined MPG varies between trims of the same year.

Is the 2023 Mazda CX-9 front-wheel drive or all-wheel drive?

The Mazda CX-9 appears in 2 drivetrain layouts across the years documented here — 4-Wheel Drive, Front-Wheel Drive — with the latest 2023 record on 4-Wheel Drive.