- Newest year: 2023
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2016-2023 Mazda CX-9 MPG & Fuel Cost
8 model years · 23–24 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 small SUV configurations, MY2023. Ranked against all rated configurations, not sales-weighted.
2016-2023 Mazda CX-9 at a glance
The 2016-2023 Mazda CX-9 covers 8 model years in the EPA database (14 configurations in all), rated 23–24 MPG combined. The newest model year, 2023, costs about $2,900 a year to fuel for its most efficient version, the CX-9 2.5L 4-cyl turbo 4WD (23 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2017, 2018, 2019, 2020, 2021, 2022 and 2023. The best combined rating in the generation, 24 MPG, was reached in 2016, 2017, 2018, 2019, 2020 and 2021.
2016-2023 Mazda CX-9 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2023 | Gas | 23 MPG | $2,900 | Ratings changed |
| 2022 | Gas | 23 MPG | $2,890 | Ratings changed |
| 2021 | Gas | 23–24 MPG | $2,680–$2,890 | Ratings changed |
| 2020 | Gas | 23–24 MPG | $2,680–$2,890 | Ratings changed |
| 2019 | Gas | 23–24 MPG | $2,680–$2,890 | Ratings changed |
| 2018 | Gas | 23–24 MPG | $2,680–$2,890 | Ratings changed |
| 2017 | Gas | 23–24 MPG | $2,670–$2,880 | Ratings changed |
| 2016 | Gas | 23–24 MPG | $2,670–$2,830 | First year |
What the 2023 CX-9 2.5L 4-cyl turbo 4WD costs to drive
Per month
$242
$2,900 a year ÷ 12
Per 25 miles
$4.83
Per 100 miles
$19.33
Five years
$14,500
5 × the yearly cost, prices held at today's level
vs the small SUV median
$240more a year
Class median $2,660 a year, MY2023
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2023 Mazda CX-9 MPG
Versus 2022: The most efficient configuration stays at 23 MPG. Its annual cost goes from $2,890 to $2,900, $10 more.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CX-9 (Most efficient) | 2.5L 4-cyl turbo | 4WD | 20 | 26 | 23 | $2,900 |
2022 Mazda CX-9 MPG
23 MPG · $2,890/yr
Versus 2021: The most efficient configuration moves from 24 to 23 MPG, down 1. Its annual cost goes from $2,680 to $2,890, $210 more.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CX-9 (Most efficient) | 2.5L 4-cyl turbo | 4WD | 20 | 26 | 23 | $2,890 |
2021 Mazda CX-9 MPG
23–24 MPG · $2,680–$2,890/yr
Versus 2020: The most efficient configuration stays at 24 MPG. Its annual cost stays at $2,680.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CX-9 2.5L 4-cyl turbo FWD (Most efficient) | 2.5L 4-cyl turbo | FWD | 22 | 28 | 24 | $2,680 |
| CX-9 2.5L 4-cyl turbo 4WD | 2.5L 4-cyl turbo | 4WD | 20 | 26 | 23 | $2,890 |
2020 Mazda CX-9 MPG
23–24 MPG · $2,680–$2,890/yr
Versus 2019: The most efficient configuration stays at 24 MPG. Its annual cost stays at $2,680.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CX-9 2.5L 4-cyl turbo FWD (Most efficient) | 2.5L 4-cyl turbo | FWD | 22 | 28 | 24 | $2,680 |
| CX-9 2.5L 4-cyl turbo 4WD | 2.5L 4-cyl turbo | 4WD | 20 | 26 | 23 | $2,890 |
2019 Mazda CX-9 MPG
23–24 MPG · $2,680–$2,890/yr
Versus 2018: The most efficient configuration stays at 24 MPG. Its annual cost stays at $2,680.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CX-9 2.5L 4-cyl turbo FWD (Most efficient) | 2.5L 4-cyl turbo | FWD | 22 | 28 | 24 | $2,680 |
| CX-9 2.5L 4-cyl turbo 4WD | 2.5L 4-cyl turbo | 4WD | 20 | 26 | 23 | $2,890 |
2018 Mazda CX-9 MPG
23–24 MPG · $2,680–$2,890/yr
Versus 2017: The most efficient configuration stays at 24 MPG. Its annual cost goes from $2,670 to $2,680, $10 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CX-9 2.5L 4-cyl turbo FWD (Most efficient) | 2.5L 4-cyl turbo | FWD | 22 | 28 | 24 | $2,680 |
| CX-9 2.5L 4-cyl turbo 4WD | 2.5L 4-cyl turbo | 4WD | 20 | 26 | 23 | $2,890 |
2017 Mazda CX-9 MPG
23–24 MPG · $2,670–$2,880/yr
Versus 2016: The most efficient configuration stays at 24 MPG. Its annual cost stays at $2,670.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CX-9 2.5L 4-cyl turbo FWD (Most efficient) | 2.5L 4-cyl turbo | FWD | 22 | 28 | 24 | $2,670 |
| CX-9 2.5L 4-cyl turbo 4WD | 2.5L 4-cyl turbo | 4WD | 20 | 26 | 23 | $2,880 |
2016 Mazda CX-9 MPG
23–24 MPG · $2,670–$2,830/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CX-9 2.5L 4-cyl turbo FWD (Most efficient) | 2.5L 4-cyl turbo | FWD | 22 | 28 | 24 | $2,670 |
| CX-9 2.5L 4-cyl turbo 4WD | 2.5L 4-cyl turbo | 4WD | 21 | 26 | 23 | $2,830 |
Fuel cost by state
Yearly cost of the CX-9 2.5L 4-cyl turbo 4WD: $3,940 in California and $2,530 in Texas, a $1,410 difference.
- California $3,940
- Washington $3,650
- New York $2,900
- Florida $2,740
- Texas $2,530
Similar cars
Closest combined MPG among MY2023 small SUV models.
Generations
- 2007-2015 (TB)
- 2016-2023 (TC)
Frequently asked questions
What gas mileage does the 2016-2023 Mazda CX-9 get?
EPA rates the 2016-2023 Mazda CX-9 at 23–24 MPG combined across 14 configurations and 8 model years. The most efficient version, the 2021 CX-9 2.5L 4-cyl turbo FWD, is rated 24 MPG (22 city, 28 highway).
Which years had the best MPG in the 2016-2023 Mazda CX-9?
The CX-9 2.5L 4-cyl turbo FWD reached the generation's best combined rating, 24 MPG, in 2016, 2017, 2018, 2019, 2020 and 2021. The lowest top rating, 23 MPG, was in 2022 and 2023.
Did EPA ratings change during the 2016-2023 Mazda CX-9?
Yes. Ratings changed in 2017, 2018, 2019, 2020, 2021, 2022 and 2023.
How does the 2016-2023 Mazda CX-9 compare with the previous generation?
The previous generation (2007-2015 Mazda CX-9) is rated 17–19 MPG combined and costs $3,360–$3,840 a year to fuel; the 2016-2023 model is rated 23–24 MPG and costs $2,670–$2,900 a year.
How much does it cost to fuel a 2023 Mazda CX-9 per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the CX-9 2.5L 4-cyl turbo 4WD costs about $2,900 a year. Across all 1 configuration the cost runs $2,900 a year.
How much does it cost to drive a 2023 Mazda CX-9 100 miles?
About $19.33 per 100 miles for the CX-9 2.5L 4-cyl turbo 4WD at regular gasoline $4.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2023 Mazda CX-9 more efficient in the city or on the highway?
The CX-9 2.5L 4-cyl turbo 4WD is rated 20 city and 26 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2023 Mazda CX-9 compare with other small SUV configurations?
The CX-9 2.5L 4-cyl turbo 4WD costs about $2,900 a year to fuel, $240 more than the class median of $2,660, and less than 4 of 10 small SUV configurations. The comparison covers all 297 rated small SUV configurations for MY2023, not weighted by sales.
Is the 2023 Mazda CX-9 different from the 2022 model?
The most efficient configuration stays at 23 MPG. Its annual cost goes from $2,890 to $2,900, $10 more. EPA lists 1 configuration for 2023 against 1 configuration for 2022. See the 2022 Mazda CX-9 for that year.