Ford Focus 2012: reliability & common MOT faults

In 2025, 61 in every 100 first MOTs on a 2012 Ford Focus were passes. Most common reason for a fail: Coil spring (front).

Summary

A 2012 Ford Focus passed first time about 2 in every 100 more often than the average of the 2011 and 2013 model years.

At a glance

How 61,916 first tests went in 2025.

Passed first time
61 in every 100
Did not pass first time
39 in every 10023,938 failed first-attempt tests
The typical car
13 yearsabout 97,162 miles
First tests counted
61,916

What failed most often

  1. Coil spring (front)14 in every 100 failed tests
  2. Individual sidelight or tail light (front)12 in every 100 failed tests
  3. Headlight aim10 in every 100 failed tests

How we count this. Data: UK MOT open data, 2025. Only Class 4 cars on their first MOT of the year are counted. A car that fails and is fixed at the test station still counts as a fail in the first-attempt rate. These are raw results, not adjusted for age, mileage, or peer mix. The MOT does not test engine or gearbox internals.

Note:

These are patterns across 2012 Ford Focus vehicles in 2025, not a prediction that any one car will have them. Faults are grouped by part of the car. They come from MOT defect codes, not manufacturer bulletins, recalls or a diagnosis of any one car.

Suspension

Two faults. The strongest is the anti-roll bar linkage (rear): 22 times as often as on similar cars.

Figures below are measured across the 23,886 of 23,938 failed first attempts (99.8%) that recorded an odometer reading in 2025. Mileage is needed to compare like with like.

We only list faults with at least 20 failures and a rate of about 2.0 times that of similar cars, which keeps one-off results out of the list.

Anti-roll bar linkage (rear)

Failed on 1,160 first tests22 times as often as similar carsStrong evidence

What it means

An anti-roll bar linkage is graded Dangerous when a suspension component is missing, likely to become detached, fractured or likely to fail. Insecure attachment that impairs directional stability is graded Dangerous too. Excessive damage or corrosion that seriously weakens the part is Major, and so is plain insecure attachment to the chassis or axle.

Also noted as an advisory

Testers also noted it as an advisory, worn but not yet failing, on 31 first tests, 6.2 times as often as on similar cars.

Coil spring (front)

Failed on 3,342 first tests2.1 times as often as similar carsPossible evidence

What it means

A missing bump stop rubber is not a reason to fail a coil spring. When the vehicle is jacked and lowered, a spring that does not correctly locate as the suspension returns to its normal running position is rejected as insecurely attached. A missing spring is Major, and graded Dangerous where directional control is affected.

Data: UK MOT open data, 2025. Compared with cars of the same age and mileage. Advisories count notes recorded on failed first tests only.

Lamps and electrical

Two faults. The strongest is the individual direction indicators (front): 3.5 times as often as on similar cars.

Individual direction indicators (front)

Failed on 806 first tests3.5 times as often as similar carsLikely evidence

What it means

Direction indicators must be amber, though vehicles first used before a set date may have white at the front and red at the rear when the indicators are combined with stop or position lamps, and sequential or dynamic ones are not a reason to fail. A lamp that is missing, inoperative or has more than half of a multiple light source not functioning is graded Major. A flashing rate outside the permitted range is graded Minor.

Also noted as an advisory

Testers also noted it as an advisory, worn but not yet failing, on 892 first tests, 4.3 times as often as on similar cars.

Horn

Failed on 777 first tests3.1 times as often as similar carsLikely evidence

What it means

A horn that does not work, or is likely to be confused with an emergency vehicle siren, is graded Major. Gongs, bells, sirens and anything with more than one tone, which includes a horn that alternates between its notes, are not allowed, except a gong, bell or siren on vehicles first used before a set date. Sound defects are Minor for named cases such as a bell or harsh sound, and Major under a general row.

Data: UK MOT open data, 2025. Compared with cars of the same age and mileage. Advisories count notes recorded on failed first tests only.

Advisories

Other things testers noted as worn or close to failing, more often than on similar cars.

An advisory is a note from the tester about something that has not failed yet. It is an early warning, not a fail. Advisories for the faults above are shown with those faults.

Anti-roll bar (rear)

Noted on 557 first tests9.9 times as often as similar carsLikely evidence

All direction indicators (front)

Noted on 83 first tests5.8 times as often as similar carsPossible evidence

Suspension arm pins and bushes (rear)

Noted on 2,118 first tests5.4 times as often as similar carsPossible evidence

Anti-roll bar linkage pins and bushes (rear)

Noted on 102 first tests4.1 times as often as similar carsStrong evidence

Brake fluid

Noted on 121 first tests3.2 times as often as similar carsElevated evidence

Other suspension component pins and bushes (rear)

Noted on 103 first tests3.2 times as often as similar carsElevated evidence

Data: UK MOT open data, 2025. Counts cover advisories recorded on failed first tests only, compared with cars of the same age and mileage.

MOT pass rates

How first tests ended, and how the pass rates are counted.

Passed first time
61in every 100
Passed on the first test.
Fixed at the station
9in every 100
Failed, then fixed at the test station the same day.
Failed
30in every 100
Did not pass, and were not fixed at the test station.

First-attempt pass 61.3% of 61,916 first tests (2025): only cars that passed first time count. Official-style pass 69.6%: cars fixed at the test station also count as a pass. The 9 fixed and the 30 not fixed make the 39 in every 100 that did not pass first time.

Petrol and diesel

First testsTypical mileagePassed first time, as testedPassed first time, same mileage
Petrol35,69484,896 miles6361
Diesel26,220117,016 miles5962

Figures are in every 100 first tests. Cars with more miles usually fail more often, so the same-mileage figure gives every fuel the mileage mix of all the cars in this year.

Same model, other years

Passed first time in every 100, all tested in 2025.

40608010020002005201220152020Older carsNewer cars
406080100200020122020Older carsNewer cars

Newer cars are younger, so look for a jump rather than the climb. A year earlier (2024), when these cars were a year younger, 63 in every 100 passed first time.

YearPassed first timeFirst tests
199952 in every 100910
200053 in every 1001,696
200154 in every 1003,892
200252 in every 1006,783
200355 in every 1008,641
200452 in every 10011,427
200554 in every 10015,756
200657 in every 10022,078
200757 in every 10031,159
200855 in every 10037,319
200955 in every 10046,757
201056 in every 10047,851
201158 in every 10057,244
2012 This car61 in every 10061,916
201362 in every 10067,752
201464 in every 10069,468
201572 in every 10071,323
201677 in every 10060,894
201781 in every 10060,958
201882 in every 10045,414
201981 in every 10052,713
202086 in every 10036,414
202189 in every 10020,069
202290 in every 10014,931

If you are buying one

What this year's MOT record means for the decision in front of you.

Mileage matters most on a 2012 Focus.

Of 2012 Focus vehicles with under 70,000 miles, 72 in every 100 passed their 2025 MOT first time. With 128,000 miles or more, 55 in every 100 did.

Under 70,00012,346 tests
72
70,000–89,00012,645 tests
63
89,000–106,000 Typical car12,060 tests
59
106,000–128,00012,263 tests
57
128,000 and over12,524 tests
55

Petrol or diesel?

Typical mileagePassed first time,
as tested
Passed first time,
same mileage
Petrol84,896 miles6361
Diesel117,016 miles5962

Figures are in every 100 first tests. Petrol cars look better on the raw figures only because diesel cars have done more miles (typically 117,016 against 84,896). At the same mileage there is no clear difference between the two.


What to check at your mileage

How often each fault turned up on a failed first test, by the car's mileage. Read it as: what is likely to need looking at on a car like the one in front of you.

Under 70,00089,000–106,000128,000 and over
Coil spring (front)6.15.34.6
Individual sidelight or tail light (front)1.85.07.4
Headlight aim2.04.15.4
Drive shaft joints and boots (front)0.62.65.5
Tyre tread depth (front)1.42.83.6

Faults per 100 first tests, by the car's mileage at the test.


When a car fails

34in every 100

of failed cars had one item to fix.

40in every 100

of failed cars had three or more items to fix.

10in every 100

of all first tests had a defect the tester marked dangerous (unsafe to drive away).


Every figure here is a first-attempt MOT rate from DVSA open data for this model line, for cars of this model year tested in 2025. Each mileage band holds a fifth of the tests. MOTs do not test engine or gearbox internals, so this is a pre-purchase checklist, not a full reliability score.

FAQs

Short answers about how to read this model-year guide.

A 2012 Ford Focus passed first time about 2 in every 100 more often than the average of the 2011 and 2013 model years. In 2025, 61.3% of 61,916 first MOTs on the 2012 Ford Focus passed first time (PRS: items fixed at the station the same day, counted as a fail). The official-style rate including PRS is 69.6%. Among 23,938 failed first-attempt MOT tests (test year 2025), Anti-roll bar linkage (rear) appears more often than on similar cars (4.9% of those tests; 1,160 observed failures; about 22× more often than similar cars). There is no single reliability score here; this is a pre-purchase checklist built from DVSA open data, not a guarantee for any individual car.
Ranked by how often they were actually recorded, the items that most often failed a 2012 Ford Focus at the first attempt were Coil spring (front) (14.0%), Individual sidelight or tail light (front) (12.5%) and Headlight aim (10.3%), each as a share of the year's failed first attempts. That is what goes wrong most often on the car. The common faults table shows a different measure: faults that are unusual compared with similar cars.
Among failed first-attempt tests we highlight patterns that appear more often than on similar cars. Top example: Anti-roll bar linkage (rear) (4.9% of those tests; 1,160 observed failures; about 22× more often than similar cars). These are statistical signals, not a diagnosis of any individual car.
Anti-roll bar linkage (rear) shows up more often than on similar cars (4.9% of those tests; 1,160 observed failures; about 22× more often than similar cars). That does not prove a design fault. Age, mileage, and how the car was used still matter. Treat it as a pre-purchase checkpoint, not a manufacturer service bulletin.
Common MOT problem areas for the 2012 Ford Focus include Anti-roll bar linkage (rear), Individual direction indicators (front), Horn. These are the faults that stand out compared with similar cars, not a complete list of what can go wrong on any individual car.
Advisories flag issues noted at the test and are not a fail rate. We show advisory patterns that appear more often than on similar cars among failed first-attempt tests, separate from common failure rows. Use them as early-warning checks, not as a pass/fail score.
This page highlights MOT failure patterns for the 2012 Ford Focus (registration year) using UK DVSA open data for the selected test year. Patterns are compared with cars of a similar age and mileage. It is a buyer checklist from MOT defect statistics, not a full service history or manufacturer service-bulletin list.
No. MOT tests do not cover engine internals, gearboxes, or many electronic modules. Patterns here come from MOT defect statistics only and should not be read as engine or gearbox reliability scores.

About this data

How this page is built and what it can (and can't) say.

These figures come from UK MOT open data for this model year. We surface common failure patterns against similar cars, not a full reliability score, and not a pass/fail verdict on any individual vehicle.

2024 2025

What we include

UK Class 4 cars only. Normal MOT tests (not retests); first test per vehicle per calendar year; results pass, PRS, or fail.

Same-day repairs

PRS means the car failed items that were fixed at the test station and then passed the same day. We count PRS as a first-attempt fail in headline rates so same-day repairs do not hide problems.

How we compare

We compare this model year with other Class 4 cars of similar age and mileage in the same test year. This model family is left out of the peer group so the car is not measured against itself.

What this does not cover

  • MOTs do not cover engine internals, gearboxes, or many electronics; this is not a full reliability score.
  • Common faults come from MOT defect stats, not manufacturer TSBs or recalls.
  • Age and mileage matching reduces, but does not remove, differences in how cars were used and maintained.
  • If the data for a car is too thin to say anything useful, we say so rather than guess.

Contains public sector information licensed under the Open Government Licence v3.0.

Check any vehicle’s MOT history

Full MOT history, mileage records, and reliability insights for any UK vehicle.

Run a free check