Fuel economy details
Mercury Mariner 2011
EPA fuel-economy estimates for 2 versions of this vehicle. The overview shows the published range; open each version to compare its powertrain and operating estimates.
How to use these estimates
EPA ratings use standardized city and highway tests, making them a useful starting point for comparing similar vehicles. For model years with several versions, choose the powertrain that matches the vehicle you are considering before relying on a rating.
Your actual fuel or electricity use can vary with weather, payload, driving style, maintenance, and local prices.
Configuration comparison
What changes across the published versions
These 2 EPA configurations are listed for this model year. Compare the exact powertrain before relying on a single rating.
Estimated annual fuel costs differ by up to $150 across the published configurations.
Automatic 6-spd
23 combined MPGEfficiency and cost
- Estimated annual petroleum use
- 12.9 barrels
- Five-year fuel-cost comparison
- costs $2,500 more
EPA class benchmark
Compared with 120 EPA records from 2011 in this vehicle class and fuel type.
- Efficiency position
- At or above 73%
- Combined MPG vs median
- 2 MPG above the class median.
- Annual cost vs median
- $300 lower than the class median.
Automatic 6-spd
22 combined MPGEfficiency and cost
- Estimated annual petroleum use
- 13.5 barrels
- Five-year fuel-cost comparison
- costs $3,250 more
EPA class benchmark
Compared with 121 EPA records from 2011 in this vehicle class and fuel type.
- Efficiency position
- At or above 82%
- Combined MPG vs median
- 3 MPG above the class median.
- Annual cost vs median
- $500 lower than the class median.
NHTSA safety recalls
Recall information for this model year
NHTSA lists 3 safety recall campaigns for this 2011 Mercury Mariner. A VIN is required to confirm whether a specific vehicle is affected.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMPCampaign 16V777000
Issue: Ford Motor Company (Ford) is recalling certain model year 2010-2012 Ford Escape vehicles manufactured February 26, 2009, to April 29, 2012, and 2010-2011 Mercury Mariner vehicles manufactured February 25, 2009, to December 12, 2010. On vehicles with a 3.0L engine, the Fuel Delivery Module (FDM) may crack, causing a fuel leak.
Remedy: Ford will notify owners, and dealers will replace the FDM flange with one that has a redesigned fuel supply port, free of charge. Remedy parts are currently unavailable. Interim notices were mailed to owners on December 13, 2016. Owners will receive a second notice when remedy parts become available. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 16S41.
SUSPENSION:FRONT:WHEEL BEARINGCampaign 15E045000
Issue: The Timken Company (Timken) is recalling certain aftermarket front wheel bearings, part number 510072, sold from January 22, 2015, to May 21, 2015, to be used as service parts on 2001-2012 Ford Escape, 2001-2011 Mazda Tribute, and 2005-2011 Mercury Mariner vehicles. The affected wheel bearings have incorrect dimensions of a 42mm bore, 76mm outer dimension, and 39mm width, instead of a 42mm bore, 78mm outer dimension and a 45mm width.
Remedy: Timken has begun notifying distributors who will offer purchasers replacement wheel bearings, free of charge. The recall began on May 21, 2015. Owners may contact Timken customer service at 1-866-984-6536.
STEERING:ELECTRIC POWER ASSIST SYSTEMCampaign 14V284000
Issue: Ford Motor Company (Ford) is recalling certain model year 2008-2011 Ford Escape and Mercury Mariner vehicles manufactured August 18, 2006, through September 11, 2010. The affected vehicles have a steering torque sensor that may not be able to properly detect driver steering input. As a result, the system could remove the Electric Power Steering (EPS) assist.
Remedy: Ford will notify owners, and dealers will update the software for the power steering control module (PSCM) and the instrument cluster module, free of charge. If a vehicle shows a history of a loss of the torque sensor signal or fault codes relating to the PSCM when the vehicle is brought in for the recall remedy, the affected components will be replaced, free of charge. The recall began on July 18, 2014. Owners may…
Source: NHTSA recall data, last checked October 3, 2026. Check your VIN with NHTSA before taking action.
Where these numbers come from
Source: EPA FuelEconomy.gov. This page was last updated on October 3, 2026. Learn more about how we use vehicle data.