2011 Mazda CX-9 4WD: MPG and fuel economy

This page collects every fuel-economy figure the EPA publishes for the 2011 Mazda CX-9 4WD. Below you will find the headline combined, city, and highway MPG, the estimated annual fuel cost at three different driving levels, the tailpipe CO₂ emissions, and a full breakdown of the engine and drivetrain. If you want to know whether this generation got more or less efficient over the years, the year-over-year table further down covers every model year the EPA has rated.

Fuel economy at a glance

These are the EPA's official ratings for the 2011 Mazda CX-9 4WD. The numbers come from a standardised laboratory test cycle and are the same figures that appear on the window sticker of every new car. Real-world mileage varies with driving style, weather, fuel quality, and how heavily loaded the car is.

Combined MPG is a 55/45 weighted blend of the city and highway test cycles. The EPA uses it as the single number you can compare across the entire dataset, including hybrids and EVs (which use the equivalent MPGe figure).

How the 2011 Mazda CX-9 4WD compares

The 2011 Mazda CX-9 4WD returns 19 combined MPG. Cars in the Sport Utility Vehicle - 4WD class for the same model year average 18.7 MPG, which puts this car ahead of the class average by about 2%.

The most efficient car in the Sport Utility Vehicle - 4WD class for the 2011 model year is the Ford Escape Hybrid 4WD at 29 MPG. The bar chart below puts the Mazda CX-9 4WD alongside the class best and the class average so you can see the full picture.

For broader context, the average new car of the 2011 model year (across all classes) returns 20.8 MPG. Larger vehicles pull the all-cars average down, so do not use that figure on its own to judge a small car or a hybrid. The full list of the most efficient cars of the 2011 model year is on its own page.

Annual fuel cost across driving patterns

The headline annual fuel cost the EPA publishes assumes 15,000 miles of driving per year and a fuel mix of 55% city and 45% highway. The dollar figure is calculated using the EPA's current reference price for regular gasoline, which is $3.99/gallon. EPA updates that reference periodically rather than tracking live pump prices, so treat it as a window-sticker estimate rather than today's pump number.

The table below scales the EPA's number to three common driving patterns. The combined MPG and the reference fuel price stay constant, only the annual mileage changes. To get a current-prices estimate, take your local gas price and multiply by 789.5 gallons (the car's annual consumption at the rated MPG).

Year-over-year MPG for the Mazda CX-9 4WD

The EPA has rated the Mazda CX-9 4WD across 17 model years, from 2007 Mazda CX-9 4WD through 2023 Mazda CX-9 4WD. The numbers below are the best combined MPG figure the EPA published for each year, which lets you see when the car was at its most efficient and how recent generations stack up.

The 2007 Mazda CX-9 4WD returned 17 MPG. The most recent 2023 Mazda CX-9 4WD returns 23 MPG. That is an improvement of 6 MPG over 16 model years, the kind of gain that usually comes from smaller engines, hybrid systems, or aerodynamic redesigns.

Compare against other Sport Utility Vehicle - 4WD for 2011

If you are cross-shopping the 2011 Mazda CX-9 4WD, the most useful comparison is against the other cars in the Sport Utility Vehicle - 4WD class for the same model year. The list below shows the highest-MPG peers, ranked from most to least efficient. Click any of them to open its full page.

The Ford Escape Hybrid 4WD leads this group at 29 MPG, 10 MPG ahead of the 2011 Mazda CX-9 4WD.

Specifications

The 2011 Mazda CX-9 4WD runs a 3.7-liter 6-cylinder engine paired with a automatic (s6), sending power through 4-wheel drive.

Engine, transmission, and drivetrain together drive most of the variation in fuel economy across trims. A larger engine moves the car with less effort but burns more fuel. A turbo lets a small engine punch above its weight, often without much MPG penalty. All-wheel drive adds traction and weight, and usually costs a couple of MPG compared with two-wheel drive of the same engine.

Vehicle class

Sport Utility Vehicle - 4WD

Engine

3.7L 6-cylinder

Transmission

Automatic (S6)

Drivetrain

4-Wheel Drive

Fuel type

Regular

Annual petroleum use

15.7 barrels per year

Common questions about the 2011 Mazda CX-9 4WD

Quick answers to the questions people most often search for when looking up the 2011 Mazda CX-9 4WD.

• Is the 2011 Mazda CX-9 4WD fuel efficient?

  It is in line with the rest of the class. The 2011 Mazda CX-9 4WD returns 19 combined MPG, and the average car in the Sport Utility Vehicle - 4WD class for the same model year sits at 18.7 MPG.
• What MPG does the 2011 Mazda CX-9 4WD get?

  The EPA rates the 2011 Mazda CX-9 4WD at 19 combined MPG, 16 MPG in city driving, and 22 MPG on the highway. Real-world numbers depend on your driving style, the weather, and how loaded the car is.
• How much does it cost to fuel a 2011 Mazda CX-9 4WD per year?

  The EPA estimates an annual fuel cost of $3,150 for the 2011 Mazda CX-9 4WD. That figure assumes 15,000 miles of driving per year, a 55% city and 45% highway split, and the EPA's published average fuel price for the rated fuel grade.
• What fuel does the 2011 Mazda CX-9 4WD use?

  The EPA lists the 2011 Mazda CX-9 4WD as running on regular gasoline. Using a different grade than the manufacturer specifies can affect fuel economy and engine longevity.
• Has the Mazda CX-9 4WD become more fuel efficient over time?

  Yes. The first EPA-rated Mazda CX-9 4WD, the 2007 Mazda CX-9 4WD, returned 17 combined MPG. The most recent 2023 Mazda CX-9 4WD returns 23 MPG, an improvement of 6 MPG over the run.
• How much CO₂ does the 2011 Mazda CX-9 4WD emit?

  Tailpipe CO₂ emissions are 468 g/mi. Multiplied across a typical year of driving (15,000 miles) that works out to about 7,016 kilograms of CO₂.
• What is the difference between the city and highway MPG of the 2011 Mazda CX-9 4WD?

  City driving returns 16 MPG and highway driving returns 22 MPG, a gap of 6 MPG. A spread that wide is typical of cars with conventional automatic or manual transmissions, where stop-start city traffic eats more fuel than a steady highway cruise.
• What engine is in the 2011 Mazda CX-9 4WD?

  The 2011 Mazda CX-9 4WD has a 3.7-liter 6-cylinder engine.
• What transmission and drivetrain does the 2011 Mazda CX-9 4WD have?

  The 2011 Mazda CX-9 4WD comes with a automatic (s6) transmission and 4-wheel drive.
• How does the 2011 Mazda CX-9 4WD compare to the best car in its class?

  The most efficient car in the Sport Utility Vehicle - 4WD class for the 2011 model year is the Ford Escape Hybrid 4WD at 29 combined MPG. The Mazda CX-9 4WD returns 19 MPG, a gap of 10 MPG. If you are comparing on fuel economy alone, the class leader is worth a look.

Source: U.S. EPA fuel economy dataset. Annual fuel cost figures assume 15,000 miles of driving per year and a 55% city, 45% highway split. Real-world mileage varies with driving conditions, vehicle maintenance, fuel quality, and driver behaviour.