Reliability
Is the Seat Leon reliable? Honest answer.
Is the Seat Leon a reliable car? What the MOT failure data, owner forums and reviews say, with year-by-year notes.
Updated 4th September 2026 DVSA data: Across 181,918 recorded MOT tests, 20.1% failed.

More on the Seat Leon
TL;DR
The Seat Leon is generally reliable, particularly the 2017-2020 models, which have fewer issues. Common faults include electrical problems and DSG transmission issues. The average MOT pass rate is around 70%, with older models from 2006-2012 having higher failure rates.
MOT Pass Rates
The MOT pass rates for the Seat Leon vary by year. Generally, the average pass rate hovers around 70%. Some older models, particularly from 2006 to 2012, have reported higher failure rates due to issues like emissions controls and suspension problems. Newer models, especially from 2017 onwards, tend to perform better.
Common Failure Modes
Common failures in the Seat Leon include electrical faults, DSG transmission issues, and suspension wear. Electrical problems often manifest in dashboard warning lights and can be costly to fix, ranging from £200 to £400. DSG transmission issues can lead to significant repair costs, sometimes exceeding £1,000.
Model Years to Favour
If you are considering a Seat Leon, the 2017 to 2020 models are generally the most reliable. These models have benefited from improvements in technology and design, resulting in fewer reported issues. Owners have praised their performance and overall reliability.
Model Years to Avoid
Be cautious with the 2006 to 2012 models. These years have a higher incidence of common faults, particularly with the electrical system and suspension components. If you are looking at these models, ensure you check the service history and have a thorough inspection.
Recalls and Safety
Some Seat Leon models have been recalled for issues such as airbag malfunctions and fuel system problems. Always check if the specific vehicle you are considering has been subject to any recalls and if the necessary repairs have been completed.
What people are asking
Are SEAT Leon cars reliable?
Yes, the Seat Leon is generally considered reliable, but specific model years may have more issues than others. Owners have reported that while newer models tend to have fewer problems, some older versions can experience significant faults.
Which SEAT Leon to avoid?
Buyers should avoid the 2019 diesel models, which have a notably low reliability score of 434 out of 1000 and an 81% MOT pass rate. In contrast, the 2014 petrol models stand out with a reliability score of 713 out of 1000 and an 85.4% MOT pass rate, making them a better choice.
How long does a SEAT Leon engine last?
The estimated lifespan of a Seat Leon engine is around 145,000 miles. Many owners report that with proper maintenance, their engines can last well beyond this figure, contributing to the car’s overall reliability.
Why are Seat Leons so cheap?
Seat Leons can be more affordable due to high competition in the market and depreciation rates. As a popular model, they often see a quicker drop in value compared to some premium brands, making them an attractive option for budget-conscious buyers.
What owners say
They appreciate the balance of comfort and sportiness, making it a great choice for both daily commutes and longer journeys. The manual gearbox, in particular, has received praise for its smooth operation and engaging feel. When it comes to reliability, many owners highlight the overall driving experience of the Seat Leon.
Issues such as dashboard warning lights and problems with the infotainment system are frequently mentioned. These electrical faults can be frustrating and costly to repair, leading some owners to recommend thorough pre-purchase inspections. However, some users have flagged common faults, particularly related to the electrical system.
Suspension wear is another common theme among discussions. Owners have noted that shock absorber failures can affect the driving experience, regardless of the model year. This issue is prevalent enough that potential buyers are advised to check the condition of the suspension components carefully.
In terms of value, many buyers in UK communities report that the Seat Leon offers a good balance of features and price. While it may not hold its value as well as some competitors, it provides a lot of car for the money, especially in the used market. Owners often recommend considering the 2014 petrol models for their reliability and performance.
Seat Leon recall record
22 recalls have been issued for the Seat Leon, between 2002 and 2025.
Takata front drivers or passenger airbag replacement
R/2025/348Issued 23 July 2025
Urgent Safety Warning – Do Not Drive Your Vehicle Issue: The front airbag in your SEAT vehicle contains an ageing inflator propellant that may explode when deployed due to long-term exposure to heat and humidity. Risk: If the airbag inflator explodes metal fragments may be ejected causing life-threatening or fatal injuries to anyone in the vehicle. Immediate Action Required: Stop driving your vehicle immediately. Contact the SEAT Takata Stop Drive helpline at 0113 526 9646 (Monday to Friday 9:00am to 5:00pm) to arrange your recall service. Mobility assistance is available if needed.
Remedy:For important safety reasons it is necessary to replace the inflator or driver/passenger seat’s airbag module of your vehicle.
Affects cars built Dec 2009 to Apr 2016
Drivers side front airbag
R/2024/285Issued 16 July 2024
On affected vehicles a deterioration of the driver airbag propellant could occur. In the event of an accident and the activation of the driver airbag fragments of the generator housing could become detached and injure the vehicle occupants.
Remedy:The driver side front airbag gas generator must be replaced in all affected vehicles.
Affects cars built Sept 2012 to Nov 2012
Driver's side front airbag
R/2024/160Issued 10 April 2024
On affected vehicles a deterioration of the driver airbag propellant could occur. In the event of an accident and the activation of the driver airbag fragments of the generator housing could become detached and injure the vehicle occupants.
Remedy:The driver side front airbag gas generator must be replaced in all affected vehicles.
Affects cars built Nov 2009 to Apr 2011
In certain vehicles within a range of specified VINs it has been detected that an engine support that did not receive the correct heat treatment may have been fitted.
R/2023/294Issued 16 October 2023
In certain vehicles within a range of specified VINs it has been detected that an engine support that did not receive the correct heat treatment may have been fitted.�
Remedy:The fitted engine support must be inspected and if found to be affected the engine support must be replaced.
Affects cars built Jul 2023 to Aug 2023
18 older recalls not shown.
A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.
Seat Leon MOT record
From 181,918 recorded MOT tests, 20.1% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2022 | 3,360 | 9.8% | 27,224 mi |
| 2021 | 10,906 | 10.8% | 35,458 mi |
| 2020 | 13,403 | 13.5% | 41,359 mi |
| 2019 | 18,967 | 19.1% | 49,081 mi |
| 2018 | 20,723 | 18.3% | 58,042 mi |
| 2017 | 17,916 | 17.7% | 68,062 mi |
| 2016 | 15,505 | 16.8% | 76,086 mi |
| 2015 | 16,662 | 17.8% | 86,975 mi |
Most common reasons for failure
- Tyre tread depth not in accordance with the requirements28.5%
- A shock absorber damaged to the extent that it does not function or showing signs of severe leakage24.2%
- A tyre seriously damaged17.5%
- A spring or spring component fractured or seriously weakened15.7%
- a brake lining or pad worn below 1.5mm14.2%
Figures cover every Seat Leon tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Seat Leon official figures
Median across 25 variants on sale, diesel, electricity / petrol, petrol, petrol electric.
- Combined economy
- 53.3 mpg
- WLTP median across variants
- CO2 emissions
- 122 g/km
- Sets the first-year tax rate
- Electric range
- 81 miles
- Manufacturer WLTP figure
Official figures for new cars. Real economy varies with driving, load and conditions.
Frequently asked questions
What are the common faults in the Seat Leon?
Common faults include electrical issues, DSG transmission problems, and suspension wear.
Which model years are the most reliable?
Generally, the 2017 to 2020 models show better reliability ratings.
Are there any recalls for the Seat Leon?
Recalls are issued against individual vehicles rather than a model as a whole, so a model-level yes or no would be guesswork. Enter the registration on Honest Car Check and we check the DVSA record for that specific car. Where DVSA holds no status, confirm it with a franchised dealer using the VIN.
Are SEAT Leon cars reliable?
Yes, the Seat Leon is generally considered reliable, but specific model years may have more issues.
Which SEAT Leon to avoid?
Avoid the 2019 diesel models, which have a low reliability score and higher failure rates.
How long does a SEAT Leon engine last?
The estimated lifespan of a Seat Leon engine is around 145,000 miles.
Why are Seat Leons so cheap?
Seat Leons can be more affordable due to high competition in the market and depreciation rates.
Sources
- DVSA anonymised MOT tests and results (Open Government Licence v3.0)
- VCA new car fuel consumption and emissions data (Open Government Licence v3.0)
- DVSA vehicle safety recalls (Open Government Licence v3.0)