2010 Mazda CX-9 — Full Specifications
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Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.
The 2010 Mazda CX-9 is an SUV powered by a 3.7L 6-cyl regular gasoline engine. Its most fuel-efficient configuration returns around 22 mpg (UK) / 18 mpg (US EPA) combined, with 20–22 mpg (UK) across all configurations. Owners often keep a Mazda CX-9 workshop manual to hand for servicing and repairs.
Full Specifications
| Engine | 3.7L 6-cyl |
|---|---|
| Transmission | Automatic (S6) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | SUV |
| Height | 1747 mm |
| Fuel Economy (UK) | 22 combined / 19 urban / 26 extra-urban mpg |
| Fuel Economy (US EPA) | 18 combined / 16 city / 22 highway mpg |
| CO₂ Emissions | 307 g/km |
| EPA Est. Annual Fuel Cost | $3,700 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2010 Mazda CX-9, all with the 3.7L 6-cyl engine. Combined fuel economy ranges from 17 to 18 mpg (US), or 20 to 22 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3.7L 6-cyl | Automatic (S6) | 4-Wheel Drive | 20 | 17 (15/21) | 325 | $3,950 |
| 3.7L 6-cyl | Automatic (S6) | Front-Wheel Drive | 22 | 18 (16/22) | 307 | $3,700 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2010 Mazda CX-9
Running Costs: 2010 Mazda CX-9
Covering around 8,000 miles a year in a 2010 Mazda CX-9 at 22 mpg combined, expect roughly 1,653 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,700 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2010 Mazda CX-9 Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 6 safety recall campaigns that include the 2010 Mazda CX-9 (as of 6 October 2026). Most affected areas: Air bags (4), Suspension (1), Seats (1). 4 campaigns carried a “do not drive” or “park outside” advisory. A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Air bags — campaign 19V782000, reported 31 October 2019. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air bags — campaign 18V717000, reported 12 October 2018. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air bags — campaign 18V018000, reported 9 January 2018. Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
- Air bags — campaign 17V429000, reported 29 June 2017. Risk: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Showing the 4 most recent of 6 campaigns.
Owners have filed 195 complaints with NHTSA about the 2010 Mazda CX-9. The most-reported areas are Service brakes (88), Engine (23), Power train (23). Complaints include 7 reported crashes, 5 reported fires, 6 reported injuries. That is well above the median of 58 complaints across the 14 Mazda CX-9 model years in our data.
Used-buyer checklist for the 2010 Mazda CX-9
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Brakes (88 owner complaints) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Air bags (4 recall campaigns · 18 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Engine (23 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Transmission & drivetrain (23 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Mazda CX-9 compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 22 mpg figure is 5 mpg below that average. Its 307 g/km CO₂ figure is 54 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Mazda models in our database average about 34 mpg (UK) combined on their most efficient configuration; the 2010 Mazda CX-9's 22 mpg is 12 mpg below that make average. Its 307 g/km CO₂ figure is 109 g/km higher than the 198 g/km Mazda average.
Of the 14 Mazda CX-9 model years we cover, the 2010 ranks 14th for combined fuel economy on its best configuration (22 mpg UK combined, against a high of 29 mpg). See every Mazda CX-9 year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2010 Mazda CX-9
Frequently Asked Questions
What engine does the 2010 Mazda CX-9 have?
It's fitted with a 3.7L 6-cyl regular gasoline engine, paired with a automatic (s6) transmission.
What is the fuel economy of the 2010 Mazda CX-9?
The most efficient configuration returns around 22 mpg (UK) combined, or 18 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 20 to 22 mpg.
How much does the 2010 Mazda CX-9 cost to fuel per year?
The US EPA estimates about $3,700 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2010 Mazda CX-9 have any recalls?
NHTSA lists 6 safety recall campaigns that include the 2010 Mazda CX-9 (as of 6 October 2026). Most affected areas: Air bags (4), Suspension (1), Seats (1). 4 campaigns carried a “do not drive” or “park outside” advisory. A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2010 Mazda CX-9?
Among the 195 owner complaints filed with NHTSA, the most-reported areas are Service brakes (88 complaints), Engine (23 complaints), Power train (23 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Mazda CX-9's fuel economy good for an SUV?
It returns around 22 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.