Used car guide

2014 Ford Mustang: common problems and what to check

What gets flagged at MOT on 2014 Ford Mustangs, from 105 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 105 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

105MOT tests in 2025
91%pass first time (all 2014 cars: 69%)
5,000typical miles a year
12%had brakes flagged

What gets flagged at MOT

The share of 2014 Ford Mustang MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    12% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Lights and electrics
    11% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Suspension
    9% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Tyres
    8% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Wipers, windscreen and mirrors
    4% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Oil and fluid leaks
    3% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

Looking at a Ford Mustang?

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Other years

YearMOT testsMost flagged
2023115Tyres 20%
20225,060Tyres 25%
20213,119Tyres 26%
20201,073Tyres 22%
20191,226Tyres 19%
20182,115Tyres 23%
20171,873Tyres 23%
20162,533Tyres 24%
2015335Tyres 22%
2013110Tyres 14%
2010104Brakes 15%
2008212Suspension 25%
2007297Suspension 24%
2006259Suspension 25%
2005324Suspension 25%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2014 Ford Mustangs registered in 2014. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score