2010 Mazda CX-9 MPG and Fuel Cost

The 2010 Mazda CX-9 is rated 17 to 18 mpg combined across 2 EPA-tested gas versions; the best is the 3.7L 6-cyl · FWD · 6-speed automatic.

EPA fuel economy

2010 Mazda CX-9 · 2 EPA-tested versions

Best EPA rating

18MPG combined

16 city 22 highway

$3,700 a year to fuel

3.7L 6-cyl · FWD · 6-speed automatic

Best version costs $6,500 more in fuel over 5 years vs the average new vehicle (EPA)

Fuel cost: 15,000 miles a year at EPA's $4.47 a gallon (regular gas).

Data: US EPA, fueleconomy.govUpdated Sep 30, 2026

At EPA's price assumptions, fuel costs $3,700 to $3,950 a year.

Every 2010 CX-9 version

EPA's ratings for each version it tested. Fuel cost is EPA's estimate for 15,000 miles a year at its current prices.

Version	Combined	City / Hwy	Fuel / year
3.7L 6-cyl · FWD · 6-speed automatic Best EPA listing: CX-9 2WD	18 mpg	16 / 22	$3,700
3.7L 6-cyl · 4WD · 6-speed automatic EPA listing: CX-9 4WD	17 mpg	15 / 21	$3,950

Fuel cost at your prices

EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.47 a gallon for regular gas. Change the numbers to match your driving.

Version	Per year	Per month	5 years
3.7L 6-cyl · FWD · 6-speed automatic	$3,725	$310	$18,625
3.7L 6-cyl · 4WD · 6-speed automatic	$3,944	$329	$19,721

At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50.

Mazda CX-9 MPG by model year

The best-rated version in each model year; the highlighted year is this page. Gas: 18 to 24 mpg (every year from 2010 to 2023); highest in 2016.

2010: gas 18 mpg

Show as a table

Mazda CX-9 best combined mpg by model year
Model year	Best gas version
2010	18
2011	19
2012	19
2013	19
2014	19
2015	19
2016	24
2017	24
2018	24
2019	24
2020	24
2021	24
2022	23
2023	23

Every CX-9 year's ratings in one table

How the 2010 CX-9 compares

2010 midsize SUVs covered on this site, ranked by their best combined rating. Fuel cost is for each model's cheapest version to run, at EPA's prices.

2010 model	Best combined	Best gas	Fuel / year
Lexus RX Best: hybrid	30 mpg	21 mpg	$2,750
Toyota Highlander Best: hybrid	26 mpg	22 mpg	$2,600
Hyundai Santa Fe Best: gas	23 mpg	23 mpg	$2,900
Ford Edge Best: gas	20 mpg	20 mpg	$3,350
Nissan Murano Best: gas	20 mpg	20 mpg	$4,100
Honda Pilot Best: gas	19 mpg	19 mpg	$3,550
Chevrolet Traverse Best: gas	19 mpg	19 mpg	$3,550
GMC Acadia Best: gas	19 mpg	19 mpg	$3,550
Buick Enclave Best: gas	19 mpg	19 mpg	$3,550
Jeep Grand Cherokee Best: gas	18 mpg	18 mpg	$3,700
Nissan Pathfinder Best: gas	18 mpg	18 mpg	$4,550
Mazda CX-9 This page Best: gas	18 mpg	18 mpg	$3,700
Ford Explorer Best: gas	17 mpg	17 mpg	$3,950

2010 CX-9 recalls and complaints

NHTSA lists 6 safety recalls and 195 owner complaints for the 2010 CX-9.

Owners most often describe brake failure (25 complaints, 13%), then stalling (10).

See the 2010 CX-9 recalls and problems

Questions

Does 4WD lower the 2010 Mazda CX-9's gas mileage?

Yes. On versions that differ only in drive, 4WD lowers the combined rating by 1 mpg: the 3.7L 6-cyl gets 18 mpg combined with front-wheel drive and 17 with 4WD.

Does the 2010 Mazda CX-9 need premium gas?

No. EPA lists every 2010 Mazda CX-9 version on regular gasoline.

Sources and method

US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Sep 29, 2026.
EPA fuel price assumptions: regular $4.47, midgrade $5.07, premium $5.48, diesel $6.38 a gallon; electricity $0.15 per kWh.
Recall and complaint counts: NHTSA recall file dated Oct 2, 2026 and complaint file dated Oct 2, 2026.

Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.