Model Reports 5 min read Updated 18 Oct 2026

SEAT Leon 2008: reliability & common MOT faults

In 2025, 60 in every 100 first MOTs on a 2008 SEAT Leon were passes. Most common reason for a fail: Drive shaft joints and boots (front).

Summary

The 2008 SEAT Leon follows the pattern of the model years either side.

At a glance

How 3,533 first tests went in 2025.

Passed first time
60 in every 100
Did not pass first time
40 in every 1001,422 failed first-attempt tests
The typical car
17 yearsabout 123,208 miles
First tests counted
3,533

What failed most often

  1. Drive shaft joints and boots (front)11 in every 100 failed tests
  2. Headlight aim11 in every 100 failed tests
  3. Handbrake efficiency below minimum (roller test)9 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 2008 SEAT Leon 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.

Brakes

One fault: electronic stability control, 2.9 times as often as on similar cars.

Figures below are measured across the 1,419 of 1,422 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.

Electronic stability control

Failed on 33 first tests2.9 times as often as similar carsPossible evidence

What it means

An ESC warning lamp is failed only when the tester is certain it indicates an ESC malfunction, because the lamp takes various forms and the owner's handbook may need checking. The system is also called ESP, VDC or DSC, among many other names. Every failure row is Major, covering the lamp, wheel speed sensors, wiring, other components and the switch.

Data: UK MOT open data, 2025. Compared with cars of the same age and mileage.

Suspension

One fault: coil spring (rear), 2.2 times as often as on similar cars.

Coil spring (rear)

Failed on 120 first tests2.2 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.

Seat belts and restraints

One fault: airbag warning light, 2.1 times as often as on similar cars.

Airbag warning light

Failed on 70 first tests2.1 times as often as similar carsPossible evidence

What it means

The airbag warning lamp (SRS MIL in DVSA's wording) is failed only if it indicates a system malfunction, which is Major. A lamp lit to show the passenger airbag is disabled is not to be regarded as a defect. Dashboard messages are not a defect in their own right, though they can help the tester confirm a malfunction.

Data: UK MOT open data, 2025. Compared with cars of the same age and mileage.

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.

Anti-roll bar (rear)

Noted on 28 first tests3.4 times as often as similar carsElevated evidence

Anti-roll bar linkage ball joints (rear)

Noted on 41 first tests2.9 times as often as similar carsElevated evidence

Brake performance (plate test, rear)

Noted on 21 first tests2.3 times as often as similar carsElevated evidence

Macpherson strut (front)

Noted on 23 first tests2.2 times as often as similar carsElevated evidence

Suspension sub-frame (rear)

Noted on 226 first tests2.2 times as often as similar carsElevated evidence

Exhaust system

Noted on 125 first tests2.1 times as often as similar carsElevated evidence

Suspension arm (rear)

Noted on 82 first tests2.0 times as often as similar carsElevated evidence

Brake performance (roller test, rear)

Noted on 79 first tests2.0 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
60in every 100
Passed on the first test.
Fixed at the station
8in every 100
Failed, then fixed at the test station the same day.
Failed
32in every 100
Did not pass, and were not fixed at the test station.

First-attempt pass 59.8% of 3,533 first tests (2025): only cars that passed first time count. Official-style pass 67.6%: cars fixed at the test station also count as a pass. The 8 fixed and the 32 not fixed make the 40 in every 100 that did not pass first time.

Petrol and diesel

First testsTypical mileagePassed first time, as testedPassed first time, same mileage
Diesel2,030136,358 miles5859
Petrol1,503106,273 miles6260

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.

4060801002005200820152020Older carsNewer cars
40608010020082020Newer 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, 58 in every 100 passed first time.

YearPassed first timeFirst tests
200261 in every 100397
200363 in every 100817
200461 in every 1001,048
200560 in every 1001,198
200655 in every 1001,950
200759 in every 1003,078
2008 This car60 in every 1003,533
200959 in every 1003,891
201061 in every 1004,828
201163 in every 1005,583
201265 in every 1007,838
201371 in every 10010,755
201476 in every 10017,542
201579 in every 10016,225
201680 in every 10015,083
201778 in every 10017,384
201878 in every 10020,120
201977 in every 10018,377
202084 in every 10012,952
202187 in every 10010,653
202289 in every 1003,314

If you are buying one

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

Mileage matters most on a 2008 Leon.

Of 2008 Leon vehicles with under 94,000 miles, 65 in every 100 passed their 2025 MOT first time. With 153,000 miles or more, 55 in every 100 did.

Under 94,000693 tests
65
94,000–114,000720 tests
61
114,000–133,000 Typical car724 tests
60
133,000–153,000691 tests
59
153,000 and over702 tests
55

Petrol or diesel?

Typical mileagePassed first time,
as tested		Passed first time,
same mileage
Diesel136,358 miles5859
Petrol106,273 miles6260

Figures are in every 100 first tests. Petrol cars look better on the raw figures only because diesel cars have done more miles (typically 136,358 against 106,273). 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 94,000114,000–133,000153,000 and over
Drive shaft joints and boots (front)3.64.05.1
Headlight aim3.24.85.1
Handbrake efficiency below minimum (roller test)2.04.14.8
Windscreen washers2.03.34.3
Coil spring (rear)3.33.72.8

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

When a car fails

20in every 100

of failed cars had one item to fix.

57in every 100

of failed cars had three or more items to fix.

9in 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.

The 2008 SEAT Leon follows the pattern of the model years either side. Its main cause of failure was Drive shaft joints and boots (front), about 11 in every 100 failed tests. In 2025, 59.8% of 3,533 first MOTs on the 2008 SEAT Leon passed first time (PRS: items fixed at the station the same day, counted as a fail). The official-style rate including PRS is 67.6%. Among 1,422 failed first-attempt MOT tests (test year 2025), Electronic stability control appears more often than on similar cars (2.3% of those tests; 33 observed failures; about 2.9× 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 2008 SEAT Leon at the first attempt were Drive shaft joints and boots (front) (11.3%), Headlight aim (11.3%) and Handbrake efficiency below minimum (roller test) (8.9%), 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: Electronic stability control (2.3% of those tests; 33 observed failures; about 2.9× more often than similar cars). These are statistical signals, not a diagnosis of any individual car.
Electronic stability control shows up more often than on similar cars (2.3% of those tests; 33 observed failures; about 2.9× 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 2008 SEAT Leon include Electronic stability control, Coil spring (rear), Airbag warning light. 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 2008 SEAT Leon (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.

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