Showing the 2011 Mustang Shelby Convertible. We haven't verified this trim's engine; the numbers below cover every version of this model year. Every version
Owner complaints, recalls, fuel economy and safety ratings from public NHTSA and EPA data, updated Oct 17, 2026.
Fuel economy
17–23 mpgcombined; city 15–19, highway 23–30; every version of this model year
Five years of fuel
$14,120–$23,670U.S. average; Ohio $12,620–$22,310 at local prices; every version of this model year; fuel only, not other costs of owning it; 15,000 miles a year, at EIA fuel prices for the week of Oct 12, 2026
NHTSA's VIN data lists these trims for the 2011 Mustang. A trim's engine and numbers are shown as its own only where EPA names versions after the trim and no other version could be it; "seen with" means a source shows that engine on the trim, not that it was the only one. Recalls and complaints cover the whole model year: whether a recall applies to a car depends on its VIN, on NHTSA's recall lookup.
Owners have filed 466 complaints with NHTSA about the 2011 Mustang. These are unverified owner reports, counted by the part of the car they name; one complaint can name several parts. Counts aren't adjusted for how many were sold, so they don't show how reliable a car is.
Complaints by part of the car
Part
Complaints
Crashes
Fires
Injuries
Power train
200
1
0
0
Air bags
125
9
0
14
Engine
48
0
0
0
Vehicle speed control
39
2
0
1
Steering
25
3
0
1
Electrical system
24
1
0
0
Fuel/propulsion system
23
0
0
0
Unknown or other
15
1
1
0
Electronic stability control (ESC)
14
0
0
0
Structure
10
3
0
3
Seats
8
1
0
0
Service brakes
8
2
0
5
14 more parts
Engine and engine cooling
7
0
0
0
Service brakes, hydraulic
6
0
0
0
Suspension
4
1
0
4
Traction control system
4
2
0
0
Exterior lighting
3
0
0
0
Fuel system, gasoline
3
0
0
0
Seat belts
3
1
0
0
Visibility/wiper
3
0
0
0
Wheels
2
0
0
0
Equipment
1
0
0
0
Latches/locks/linkages
1
0
0
0
Service brakes, air
1
0
0
0
Tires
1
0
0
0
Visibility
1
0
0
0
Complaints by model year
Newer years have had less time to collect complaints, and counts aren't adjusted for sales, so a shorter bar doesn't mean a more reliable year.
NHTSA lists 4 recall campaigns for the 2011 Mustang over its history. Campaigns are matched by model and year, so each one may apply to a given car, and its repair may already be done: check a VIN on NHTSA's recall lookup for the open recalls on that exact car.
Air bags: frontal; Air bags: frontal; Air bags: frontal
Ford Motor Company (Ford) is recalling certain 2005-2014 Mustang, 2004-2011 Ranger, 2009-2011 Mercury Milan, 2006 Ford GT, 2008-2012 Fusion, 2007-2010 Edge and Lincoln MKX, and 2009-2010 Lincoln MKZ vehicles. These vehicles may be equipped with a driver or passenger frontal air bag inflator used as a replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Risk: In the event of a crash necessitating deployment of the frontal air bag, an inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Ford will notify owners, and dealers will inspect the driver and passenger air bag module, and replace either the module or the inflator, if necessary, free of charge. The recall began March 17, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S05.
Ford Motor Company (Ford) is recalling certain 2014 Ford Mustang vehicles sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." Additionally, Ford is recalling certain 2011 Ford Ranger and Mercury Milan vehicles, 2011-2012 Ford Fusion and Lincoln Zephyr/MKZ vehicles and 2011-2014 Ford Mustang vehicles sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." Ford is also recalling certain 2010 Ford Edge and Lincoln MKX vehicles, 2010-2011 Ford Ranger and Mercury Milan vehicles, 2010-2012 Ford Fusion and Lincoln Zephyr/MKZ vehicles, and 2010-2014 Ford Mustang vehicles sold, or ever registered, in the states of AK, CO, CT, ID, IA, ME, MA, MI, MN, MT, NH, NY, ND, OR, RI, SD, UT, VT, WA, WI, and WY or "Zone C." These vehicles are equipped with air bag inflators assembled as part of the passenger frontal air bag modules, used as original equipment or replacement equipment (such as after a vehicle crash necessitating replacement of the original air bags), that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Ford will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began February 13, 2019. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall 19S01.
Ford Motor Company (Ford) is recalling certain model year 2007-2011 Ford Ranger vehicles, 2006-2011 Ford Fusion, Mercury Milan and Lincoln Zephyr/MKZ vehicles, 2007-2010 Ford Edge, Lincoln MKX vehicles, 2005-2006 Ford GT vehicles, and 2005-2011 Ford Mustang vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, Ford is recalling certain model year 2007-2008 Ford Ranger, Edge and Lincoln MKX vehicles, 2006-2008 Ford Fusion, Mercury Milan and Lincoln Zephyr/MKZ vehicles, 2005-2006 Ford GT vehicles and 2005-2008 Ford Mustang vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Any vehicle not included in "Zone A", or "Zone B" is not included in the safety recall. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
Risk: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Ford will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. Ford mailed interim letters informing owners that parts are not yet available on July 15, 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 19S01.
Ford Motor Company (Ford) is recalling certain model year 2005-2014 Mustang vehicles manufactured April 6, 2004, to June 21, 2014, and 2005-2006 GT vehicles manufactured February 20, 2004, to September 22, 2006. The affected vehicles are equipped with a dual-stage driver frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture.
Risk: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Ford will notify owners, and dealers will replace the front driver side air bag inflator, free of charge. The recall began on June 10, 2016. Even if interim repairs were performed under safety recall 14V-802, owners must bring their vehicles in for the final remedy. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 15S21. Note: This recall supersedes safety recall 14V-802.
Carmakers sent NHTSA 63 service bulletins and notices that cover the 2011 Mustang, the latest on Feb 24, 2026. They tell dealers how to fix known issues.
The parts they mention most: power train (18), equipment (15), engine and engine cooling (10), structure (9), electrical system (8).
NHTSA defect investigations
Opening an investigation isn't a finding of a defect. Outcomes are as NHTSA's summary states them. A recall is shown as an investigation's outcome only where NHTSA's summary names it; other recalls NHTSA's file lists with it are marked as listed, not caused.
Investigation
Part
Opened
Status
Preliminary evaluation PE11024 Inability to shift gears on acceleration
The owner's manual gives the oil and how often to change it. We show oil facts only once we've checked them against the manual, and we haven't yet for the 2011 Mustang.
These are searches on those sites; we don't copy or check their listings. Your ZIP is used for these links and never kept.
Specs
EPA class: subcompact cars. Each version EPA tested:
Swipe the table sideways for more columns.
Version
Engine
Transmission
Fuel
City / hwy / comb
Mustang Rear-Wheel Drive
3.7 L, 6 cyl
Automatic 6-spd
Regular Gasoline
19 / 30 / 23
Mustang Rear-Wheel Drive
3.7 L, 6 cyl
Manual 6-spd
Regular Gasoline
19 / 28 / 22
Mustang Rear-Wheel Drive
5.0 L, 8 cyl
Manual 6-spd
Regular Gasoline
17 / 26 / 20
Mustang Rear-Wheel Drive
5.0 L, 8 cyl
Automatic 6-spd
Regular Gasoline
18 / 25 / 20
Mustang Rear-Wheel Drive
5.4 L, 8 cyl, supercharged
Manual 6-spd
Premium Gasoline
15 / 23 / 17
Sources and dates
U.S. EPA fuel economy data, file of Sep 29, 2026
NHTSA owner complaints, file of Oct 17, 2026
NHTSA recalls, file of Oct 17, 2026
NHTSA manufacturer communications, file of Oct 17, 2026
NHTSA defect investigations, file of Oct 17, 2026
NHTSA 5-Star Safety Ratings, file of Aug 7, 2026
U.S. Energy Information Administration, file of Oct 12, 2026
Fuel cost: EPA mpg with fuel prices for the week of Oct 12, 2026 and electricity prices for Jul 2026. Source: U.S. Energy Information Administration (Oct 2026). Complaints are unverified reports owners filed with NHTSA. About the data