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Ford Mustang
2021 · gas
7 measured figures
7 of the 9 figures this market publishes for a car like this one are measured for this car. This market publishes no overall score, so there is no share of a composite weight to measure confidence against; figures_measured says how many of this market's figures the row carries, and contributing_publishers says who measured them

Measured figures

Fuel economy25 mpg (US gallons)Measured by EPA · configuration: Mustang
Tailpipe CO₂220 g/kmMeasured by EPA · CO₂ basis: tailpipe_rated · configuration: Mustang · also 354 g/mile
HorsepowerFree with an accountMeasured for this car, with its publisher and basis
Kerb weightFree with an accountMeasured for this car, with its publisher and basis
WarrantyFree with an accountMeasured for this car, with its publisher and basis
Recall campaignsFree with an accountMeasured for this car, with its publisher and basis
Complaints per 10,000 builtFree with an accountMeasured for this car, with its publisher and basis

5 more measured figures for this car — Horsepower, Kerb weight, Warranty, Recall campaigns, Complaints per 10,000 built — each with the publisher that measured it and the basis it is on. Free to read with an account.

Figures this car does not carry

Fuel economy (MPGe)Not published for this carFuel economy (MPGe) is published for electric and hydrogen cars, whose economy is published as MPGe: energy converted at 33.7 kWh per gallon, not fuel burned; this car is not one of them, so the figure is not the same quantity for it
Tailpipe CO₂ (charge-weighted)Not published for this carthis car's CO₂ is published as the tailpipe rating for the car driven as rated on the test cycle (220 g/km), not as a composite weighted across electric and fuel-burning miles, so it is not the quantity this list orders. It is published as Tailpipe CO₂
Engine horsepowerNot published for this carNot published for this car. The record's own reason is free to read with an account.
EPA test weightNot published for this carNot published for this car. The record's own reason is free to read with an account.
NHTSA overall ratingNot published for this carNot published for this car. The record's own reason is free to read with an account.
PriceNot published for this carNot published for this car. The record's own reason is free to read with an account.

5-Year Running Costs

Fuel$11,920
Insurance$12,430 (modelled)
Maintenance$5,200 (class estimate)
Repairs$8,000 (modelled)
Depreciationnot estimated — we hold no purchase price for this car, and it is not assumed.
Totalnot estimated — a component above is unknown or modelled

Running costs only — the purchase price is not included. The five-year running cost is an ESTIMATE, not a measurement of this car: only its fuel half is computed from the car's own measured consumption and a dated pump price (see fuel_price_source and fuel_price_as_of in the market's own figures); insurance, maintenance and repairs are class models. It orders no list and is not one of this market's published figures. Fuel is this car's own combined consumption over 13,800 miles a year at $4.319 a US gallon of petrol (U.S. Energy Information Administration, Gasoline and Diesel Fuel Update: U.S. regular gasoline retail price, all formulations, weekly, 2026-09-14). Insurance, maintenance and repairs are models, not figures for this car: insurance from its power, weight and crash rating, maintenance from its make's class, repairs from its complaint and recall counts. They are shown for scale and are not used to rank it. Confidence is low: several components are modelled from class averages.

Known Issues

FUEL SYSTEM, GASOLINE
10 complaint(s)
The contact owns 2021 Ford Mustang. The contact stated that while her husband was attempting to make a right turn, the vehicle stalled. The vehicle was turned off however, while attempting to restart…
POWER TRAIN
9 complaint(s) · 1 reports a crash, fire, injury or death
Vehicle bucks at low speed after putting in drive and when driving during downshift, on 4 occasions I almost hit my wife's vehicle during low speed bucking with the trans
ENGINE
8 complaint(s)
The contact owns a 2021 Ford Mustang. The contact stated that immediately after purchasing the vehicle new, the engine experienced random misfire, causing the vehicle to lose motive power and accelera…
ELECTRICAL SYSTEM
6 complaint(s) · 1 reports a crash, fire, injury or death
The contact owns a 2021 Ford Mustang. The contact received notification of NHTSA Campaign Number: 23V727000 (Electrical System) however, the part to do the recall repair was not yet available. The con…
FUEL/PROPULSION SYSTEM
5 complaint(s)
At highway speed (60-65mph), in 6th gear, cruise control activated, the car began to surge and stall and loose power. Applying more throttle to maintain speed did not help. Pulled to roadside and engi…
UNKNOWN OR OTHER
5 complaint(s) · 1 reports a crash, fire, injury or death
Purchased vehicle new It took me a long time to understand what the issue was. I complained to Ford and they gave me account rep that has never driven manual transmission. When I contacted Ford the e…
SUSPENSION
3 complaint(s)
I had to put 3 sets of tires on my car by 50,000 miles. The Ford company told me to go to an alignment specialist because without putting some sort of aftermarket part on my car they can't properly al…
AIR BAGS
2 complaint(s)
The contact owns a 2021 Ford Mustang. The contact stated while starting the vehicle, the air bag warning light illuminated. The contact stated that the onboard App diagnosed the vehicle and related th…
BACK OVER PREVENTION
2 complaint(s)
The contact owns a 2021 Ford Mustang. The contact stated that while reversing, the rearview camera image was distorted and black intermittently. There was no warning light illuminated. The vehicle was…
BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING
2 complaint(s)
The backup camera goes blank and says to contact Ford

The 10 components named in the most complaints are shown, of 23 named in all.

These complaints are filed under MUSTANG, a name NHTSA also uses for other versions of this car, so some may concern those versions.

Data sources