2026 Mazda CX-30 Specs: MPG, Gas Mileage, Engine Size & Dimensions

2020–2026 model years19 variantsUp to 29 MPG combined

2026 Mazda CX-30 Specs at a Glance

The 2026 Mazda CX-30 gets 27 mpg combined on the 2.5L 4-Wheel Drive configuration, weighs 3,342 lbs, measures 172.8 in long. Figures are per configuration, not a single official number — other trims rate as low as 25 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
27 mpg (24 city / 31 hwy)
Best configuration: 2.5L · 4-Wheel Drive · Automatic (S6) · other 2026 trims rate 25–27 mpg combined
Engine
2.5L 4-cyl
2.5L · 4-Wheel Drive · Automatic (S6)
Curb weight
3,342 lbs
Heaviest recorded configuration: CX30 4DR SUV AWD
Length
172.8 in · 70.9 in wide · 61.8 in tall
Wheelbase
104.3 in
NHTSA overall
5-star (2024)

2026 Mazda CX-30 trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive223025
Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive243127

Detailed Specifications

Mazda CX-30 — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2026Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive223025Regular Gasoline
2026Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive243127Regular Gasoline
2025Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive223025Regular Gasoline
2025Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive263329Regular Gasoline
2024Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive263329Regular Gasoline
2024Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive223025Regular Gasoline
2023Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive263329Regular Gasoline
2023Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive223025Regular Gasoline
2022Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive243126Regular Gasoline
2022Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive223025Regular Gasoline
2021Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive223025Regular Gasoline
2021Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive253328Regular Gasoline
2021Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive243126Regular Gasoline
2021Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive253328Regular Gasoline
2021Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive243126Regular Gasoline
2020Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive253227Regular Gasoline
2020Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)4-Wheel Drive243126Regular Gasoline
2020Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive253328Regular Gasoline
2020Auto (S6), 4 cyl, 2.5 L4 · 2.5LAutomatic (S6)Front-Wheel Drive253328Regular Gasoline

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Mazda CX-30 — Frequently Asked Questions

What is the fuel economy of the 2026 Mazda CX-30?

The Mazda CX-30 is EPA-rated at up to 29 MPG combined (26 city / 33 highway), a historical peak recorded on the 2025 model year.

What engine does the 2026 Mazda CX-30 have?

The Mazda CX-30 uses a 2.5L 4-cylinder engine paired with an Automatic transmission.

What years of the Mazda CX-30 are covered here?

This page documents 19 verified Mazda CX-30 configurations across model years 2020–2026.

Which model year of the Mazda CX-30 is the most fuel efficient?

The 2025 Mazda CX-30 holds the highest combined rating at 29 MPG; the 2022 sits lowest at 26 MPG, a difference of 3 MPG (about 12%) across the 7 rated years on file.

How many engine options does the Mazda CX-30 have?

Across every year on record the Mazda CX-30 uses one displacement, 2.5L, so trims differ by drivetrain and equipment rather than engine size.

Is the 2026 Mazda CX-30 front-wheel drive or all-wheel drive?

The Mazda CX-30 appears in 2 drivetrain layouts across the years documented here — 4-Wheel Drive, Front-Wheel Drive — with the latest 2026 record on 4-Wheel Drive.