Ford

Ford Mustang (2021)

369 real MOT outcomes analysed • 92.6% first-time pass rate

2021 Ford Mustang

CarHunch analysed 369 real MOT records for the 2021 Ford Mustang. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution MOT Averages Colour Breakdown Compare Models

Moderate sample. 369 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

The 2021 Ford Mustang is a genuinely reliable prospect, with a first-time pass rate of 92.6%—comfortably ahead of the UK average of 80%. The dangerous defect rate sits at 11.1%, which is acceptable and shouldn't be a deal-breaker for most buyers.

At an average mileage of 17,274 miles for a three-year-old car, these Mustangs are lightly used, which supports the strong pass rate. Vehicles that fail tend to rack up just 0.24 failures on average, and advisories average 1.1 per car—both very low—so before you buy one, a pre-purchase inspection by a Ford specialist will likely confirm it's in solid shape.

The 2021 Ford Mustang passes its MOT first time more often than most UK vehicles (92.6% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ About 1 in 12 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.
First-time pass
92.6%
UK average ~80%
Better than average
Dangerous (ever)
11.1%
At least once in MOT history
Check this vehicle
Avg failures / car
0.24
Over 2.2 tests on record
Low
Typical mileage
15k
Middle half: 10k–22k
For context
Good baseline reliability. A 92.6% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.
🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 369 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

A solid choice — agree?

What tends to go wrong

Across 369 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 7.9%
Offside Front Tyre worn close to legal limit/worn on edge · Nearside Front Tyre worn close to legal limit/worn on edge · Nearside Rear Tyre worn close to legal limit/worn on edge · …
Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.
Brake wear 5.8%
Parking brake efficiency below requirements · Front Brake pad(s) wearing thin · Parking brake efficiency less than 50% of the required value · …
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Data covers a 3-year window centred on 2021.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 369 Ford Mustang cars.

UK

Before you buy a 2021 Ford Mustang

Based on MOT data from 369 vehicles — here's what to check.

  • 📋 Check the full MOT history. 11.1% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
    Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
  • 🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection ClickMechanic
  • 📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History carVertical Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Petrol (99%) 366 92.7% 0.24

Colour Breakdown

Based on 19,029 Ford Mustang vehicles registered in the UK — across all years. From DVLA registration records.

Red 21%
3,998
Blue 17.4%
3,320
Black 16.2%
3,079
Grey 12%
2,288
White 9.3%
1,764
Green 8.8%
1,668
Yellow 5.1%
969
Silver 5%
944
Orange 3.6%
688
Maroon 0.8%
144
Gold 0.5%
93
Purple 0.4%
74

Mileage Distribution

Most 2021 Ford Mustang vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

14,907
typical
9,728
low mileage
22,497
high mileage

Half of all 2021 Ford Mustang vehicles fall between 9,728 and 22,497 miles.

Is the mileage you're seeing normal?
Under 9,728 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.
9,728–22,497 miles — normal for age. This is where most 2021 Ford Mustangs sit.
Over 30,370 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.2
Avg MOT tests per vehicle
0.24
Avg failures per vehicle
1.1
Avg advisories per vehicle
Other model years — Ford Mustang: All Mustang years → Which year to buy? →
1994 1995 1996 1997 1999 2000 2001 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2022

Or browse all models: Ford →

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Compare with another model

See how the 2021 Ford Mustang stacks up against a rival.

A solid choice — agree?