2003 SEAT Leon MOT pass rate, common failures & what to check

In 2025, 63.0% of SEAT Leons first used in 2003 passed their MOT first time, against 58.7% for all cars first used in 2003. Across 3,255 Leon first tests from 2023 to 2025, the most common failure areas were lamps and electrical equipment, brakes and suspension.

This page analyses first MOT tests for SEAT Leons first used in 2003 (all trims grouped): 2021 to 2025 for the pass-rate trend, and 2023 to 2025 for the failure and advisory analysis — plus what is worth checking before you buy one.

Data: DVSA anonymised MOT tests to December 2025 · Calculated by SortedCars · Updated October 2026

Passed first time, 2025
63.0%
of 843 first tests; all cars first used in 2003: 58.7%. Fixed-at-the-test counts as a fail
Tests analysed
3,255
first tests, 2023–2025; 843 in 2025
Clean pass, 2025
21.7%
of 843 first tests in 2025, passed with no advisory and no minor defect recorded
Typical mileage, tested in 2025
128,000
middle half: 100,500–156,500 miles; all cars first used in 2003: 103,000

How the 2003 SEAT Leon MOT pass rate has changed

Share of first tests passed in each year, Leons first used in 2003 against all cars first used in 2003 (any make or fuel; not adjusted for mileage, fuel or use). In 2025 the Leon figure was 4.3 points higher.

2003 LeonAll cars first used in 2003
50%60%70%20212022202320242025Test year (first tests)All cars first used in 2003, test year 2021: 54%All cars first used in 2003, test year 2022: 55.7%All cars first used in 2003, test year 2023: 56.7%All cars first used in 2003, test year 2024: 57.2%All cars first used in 2003, test year 2025: 58.7%2003 Leon, test year 2021: 54.5%2003 Leon, test year 2022: 56.6%2003 Leon, test year 2023: 59.8%2003 Leon, test year 2024: 61.3%2003 Leon, test year 2025: 63%63%58.7%
View this chart as a table
Test year2003 LeonAll cars first used 2003Leon first tests
202154.5%54.0%2,057
202256.6%55.7%1,652
202359.8%56.7%1,358
202461.3%57.2%1,054
202563.0%58.7%843

Common 2003 SEAT Leon MOT failures

Share of the 1,266 failed first tests (2023–2025) with at least one failure in each area. A test can fail in more than one area, so the shares add up to more than 100%.

Lamps, reflectors and electrical equipment47.8%
Brakes29.9%
Suspension28.4%
Noise, emissions and leaks28.0%
Body, chassis, structure24.1%
Steering15.5%
Tyres15.0%
Visibility14.3%

Most common failure items

DVSA failure itemShare of failed first testsTests
Malfunction indicator lamp: inoperative or indicates a malfunction11.0%139
Drive shaft joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt10.4%132
Position lamp: not working10.3%130
Stop lamp: not working9.7%123
Parking brake efficiency (sp): efficiency below requirements8.7%110

Item names are DVSA’s own wording. 2023–2025 combined.

What to check on a 2003 SEAT Leon before buying

The three areas where failed first tests most often had a fault, 2023–2025.

  1. Lamps and electrics. Ask someone to watch while you work the brake lights, indicators, sidelights, dipped and main beam, and the number-plate lamps.
  2. Brakes. Worth looking at the discs and pads through the wheel spokes for scoring and a worn lip, and noticing on the test drive whether the car pulls to one side or the pedal feels long.
  3. Suspension. Worth looking behind the front wheels with a torch at the coil springs, and listening for knocks over bumps on the test drive.

Common 2003 SEAT Leon MOT advisories

Advisories are points the tester noted that did not fail the car. Most common on 2003 Leons, as a share of all 3,255 first tests, 2023–2025.

DVSA advisory itemShare of first testsTests
Tread depth: worn close to legal limit/worn on edge16.9%551
Rigid brake pipes: corroded, covered in grease or other material15.9%518
Brake discs: worn, pitted or scored, but not seriously weakened15.2%495
Engine oil leaks: leak, but not excessive14.4%469
Coil spring: corroded11.2%364

Questions about the 2003 SEAT Leon MOT

What is the MOT pass rate of a 2003 SEAT Leon?

In 2025, 63.0% of Leons first used in 2003 passed their MOT first time, against 58.7% for all cars first used in 2003. A car fixed during the test counts as a fail.

What does a 2003 Leon most often fail its MOT on?

Lamps and electrical equipment (in 47.8% of failed first tests, 2023–2025), brakes (29.9%) and suspension (28.4%). The single most common item was “Malfunction indicator lamp: inoperative or indicates a malfunction” (11.0%).

How often does a 2003 SEAT Leon fail its MOT?

In 2025, 37.0% of first tests on Leons first used in 2003 did not pass first time: 29.1% failed, and a further 7.9% had a fault fixed during the test (counted as a fail here). Across 2023–2025, 1,266 of 3,255 first tests did not pass first time.

What are the most common 2003 SEAT Leon MOT advisories?

“Tread depth: worn close to legal limit/worn on edge” (on 16.9% of first tests, 2023–2025), “Rigid brake pipes: corroded, covered in grease or other material” (15.9%), “Brake discs: worn, pitted or scored, but not seriously weakened” (15.2%), “Engine oil leaks: leak, but not excessive” (14.4%) and “Coil spring: corroded” (11.2%).

Is a 2003 SEAT Leon reliable?

An MOT pass rate shows what failed at the test, not how reliable a car is. For this group of cars the first-time pass rate went from 54.5% in 2021 to 63.0% in 2025. For one particular car, its own MOT history matters more than the average.

Other cars first used in 2003

The most-tested cars from the same year. Each page uses the same method.

2003 Volkswagen Golf MOT statistics · 2003 Ford Fiesta MOT statistics · 2003 MINI Hatch MOT statistics · 2003 Ford Focus MOT statistics · 2003 Toyota Yaris MOT statistics

How the 2003 SEAT Leon MOT data is calculated

Every number on this page is calculated by SortedCars from DVSA’s anonymised MOT test data for Great Britain, 2021–2025. “2003 Leon” means a SEAT Leon whose date of first use falls in 2003 (52, 03 and 53 plates), all trims grouped. Class 4 vehicles, first tests only — retests are not counted. Pass rate = passed ÷ all first tests; a car with a fault fixed during the test (PRS) counts as a fail. Our national first-test pass rate matches DVSA’s published figure (table DVSA/MOT/01) to within 0.04 points in every year. Clean pass = passed with no advisory and no minor defect recorded. Mileage is the reading recorded at the test. Comparisons are with all cars first used in 2003, any make or fuel, and are not adjusted for mileage, fuel or use. Failure and advisory item names are DVSA’s own wording. No figure is shown for fewer than 500 tests; an item is shown only if it appears on at least 50 tests and 1% of the base. Pass rates describe a group of cars, not one car: a well-kept example can pass and a neglected one can fail. This page is general information, not advice about any particular vehicle; always have a used car inspected before you buy. SortedCars is not affiliated with or endorsed by DVSA. You can check any car’s MOT history free on the official service: gov.uk/check-mot-history. Contains public sector information licensed under the Open Government Licence v3.0.