Performance by cohort

3 year bands · 315,212 tests

Pass rate climbs 6.0 points across the cohorts — newer Leon examples clear the test more reliably than the early cars.

Pre-2018 cohort 246,217

Pass

78.8%

Fail

16.4%

PRS

4.2%

Avg mileage at test

93,228 mi

2018–2020 cohort 68,797

Pass

85.8%

Fail

11.3%

PRS

2.6%

Avg mileage at test

46,246 mi

2021+ cohort 198

Pass

84.8%

Fail

13.6%

PRS

1.0%

Avg mileage at test

29,192 mi

Cohort = vehicle's first-registration year band. Same model, different generations of build.

Generations on file · 4

SEAT Leon · UK market

Photos: Wikimedia Commons · CC BY-SA / CC BY / public domain.

The picture

79% pass rate, spring failures and DSG caveats

79.3% first-time pass across 209,951 tests makes the Leon one of the stronger performers in this batch. Average test mileage of 77,623 means most failures are mid-life wear rather than neglect. Tyre tread leads the list, followed by fractured springs and brake pad wear below 1.5mm — none of it exotic, all of it catchable. Where owners add texture: MOLL batteries failing at two years old and 50,000 miles, with one AA technician noting he'd replaced a significant number on SEAT models (SEAT declined to cover the cost on at least one occasion). A 2016 rear damper was found to be misting fluid at just 15,000 miles, replaced under warranty. DSG transmission issues have been reported on the 2017 FR trim. None of these are batch-killers, but the battery and damper patterns are worth a pre-purchase check on examples past the warranty window.

ABI Insurance Group

Group 10–28

Below the fleet average — generally reasonable to insure. Lower groups cost less to insure; UK fleet average is around Group 22.

Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →

10–28

out of 50

Compare quotes →

Top ten reasons for rejection.

Filter failures:

Hide wear items to see the model's real defects.

01

Tyre tread depth not in accordance with the requirements

7,100 occurrences · 2.3% of tests
02

A spring or spring component fractured or seriously weakened

6,436 occurrences · 2.0% of tests
03

Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view

5,359 occurrences · 1.7% of tests
04

a brake lining or pad worn below 1.5mm

5,224 occurrences · 1.7% of tests
05

A shock absorber damaged to the extent that it does not function or showing signs of severe leakage

5,158 occurrences · 1.6% of tests
06

A transmission shaft constant velocity joint boot severely deteriorated

4,866 occurrences · 1.5% of tests
07

A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources

4,065 occurrences · 1.3% of tests
08

A tyre cords visible or damaged

3,373 occurrences · 1.1% of tests
09

A tyre seriously damaged

2,705 occurrences · 0.9% of tests
10

Wiper blade missing or obviously not clearing the windscreen

2,689 occurrences · 0.9% of tests

Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.

Worst-case fix budget · top 3 failures

£220–£495

If every one of this Leon's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →

Try the calculator

Build your own retest budget.

Year-band analysis

Best year to buy. Worst to avoid.

First-time MOT pass rate split by registration band. A 6.9-point gap between bands means the year you buy SEAT Leon has a real effect on what turns up at the garage.

Best band to buy

85.8%

2018–2020 registration

the 2018–2020 band climbs to 85.8% — a 6.9-point improvement. Tests in this band average 46,246 miles — roughly 47K miles fewer on the clock than the older band. Failures here are mostly wear items: fractured or broken, tread depth below requirements of 1.6mm — the structural issues that drag down older examples don't appear in the top-10 for this band. The stricter post-2018 MOT test rules meant manufacturers had to tighten up emissions and electrical checks, but this band still shows far fewer major failures on suspension and bodywork than the older fleet.

Band to be cautious about

78.8%

Pre-2018 registration

On the older band (pre-2018), the data shows a 78.8% pass rate against a fleet average of 85.8% on the newer band. The main culprits logged at test: tread depth below requirements of 1.6mm, fractured or broken, and constant velocity boot severely deteriorated. Average mileage on test for this band is 93,228 miles — high-mileage wear items are a recurring theme. Honest John records: "Report of catastrophic oil loss from engine of 2014 SEAT Leon 1.2TSI (VIN: VSSZZZ5FZER096473) in France. A few minutes before the oil loss, owner heard a faint rattling. French SEAT…"

Best band to buy: 2018-2020 (85.8% first-time pass). Worst band to avoid: pre-2018 (78.8% pass). That's a 6.9-point spread across 246,217 older tests and 68,797 newer ones — year of build makes a material difference on this model.

Year-spread leaderboard →

Tools that pre-empt a retest.

Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.

Item 01 · Amazon UK

Digital tyre-tread depth gauge

Five quid for a gauge beats £150 for a retest. UK MOT minimum is 1.6mm — most testers fail anything below 2mm to be safe.

Search Amazon UK

Item 02 · Amazon UK

Brake pad measurement gauge

Testers fail pads under 1.5mm. A wear gauge tells you if you've got two months left or two weeks.

Search Amazon UK

My Motor World · affiliate

Parts & supplies for this fix

Affiliate links — small commission, no extra cost to you.

Hycote

Hycote Touch Up Colour Paint Brush Seat Flash Red 12.5ml

£6.59

View at My Motor World →

Hycote

Hycote Seat Black Magic Double Acrylic Spray Paint 150ml

£6.59

View at My Motor World →

Hycote

Hycote Seat Candy White Double Acrylic Spray Paint 150ml

£6.59

View at My Motor World →

Hycote

Hycote Seat Emocion Red Double Acrylic Spray Paint 150ml

£6.59

View at My Motor World →

Click Mechanic · affiliate

Book a mobile mechanic

Affiliate links — small commission, no extra cost to you.

Mobile mechanic · UK-wide

Book a mechanic at your door.

Fixed-price quotes upfront. No garage needed. Click Mechanic sends a vetted local mechanic to you — home, work, or roadside.

Get a quote →

Owner reports · Honest John

What owners actually report.

Verbatim faults logged by owners on honestjohn.co.uk over recent years. We didn't summarise — these are the words people typed in.

Where it falls short

Ride can have a firm edge on lower trim models.

Recent owner-reported faults

4 Dec 2019
Report of failure of MOLL battery in SEAT Leon at 2 years old and 50,000 miles. AA fitted new battery at a cost of £230 and told owner he had replaced a lot of MOLL batteries on SEATs. SEAT declined to pay for the battery. (See 4-10-2018) Kwikset 405DL-S Delta Keyed Entry Door Leverset With Smartkey Satin Nickel Door Hardware Door Levers Keyed Entry Door Levers Kwikset, 405DL-S, Door Levers, Delta, Door Hardware, Keyed Entry Door Levers, Delta Keyed Entry Door Leverset with SmartKey by Kwikset A ...Ferguson Home
29 Oct 2019
Problem reported with DSG transmission of 2017 SEAT Leon FR purchased in Jerusalem.
24 Oct 2019
Report of 2016 SEAT Leon needing new rear damper because it was "misting" (leaking fluid) at 15,000 miles. FoC under warranty, but dealer recommended replacing the other as well at a cost of £200.
13 Sep 2019
Report of ACC front assist not available warning light on on 2017 SEAT Leon 1.4 EcoTSi 150 DSG Auto Start/Stop FR Technology. (Yellow triangle). Car serviced yesterday and apparently the sensor needs recalibrating at a cost of £400, not covered in the warranty. With this particular sensor off the cruise control does not work either.
5 Sep 2019
Problem reported with DQ200 7-speed dry clutch DSG in 2014 SEAT Leon FR 1.8TSI 180. Error notice on and off: "ERROR: WORKSHOP! ONLY LEAVE VEHICLE IN POSITION P." Owner also notices that sometimes the car automatically switches to the Sports Mode gears while driving, or, more rarely, starts with the Sports Mode directly. With a scanner, he picked up error code: 617752- Selector lever Park position Lock switch. He thinks there is a Technical Service Bulletin for the 617752 error (recommendation to replace gear selector/ shifter assembly?). But online forums have different suggestions.
15 Jul 2019
Ongoing issues with the 1.5 TSI engine with no resolution from SEAT. (These were resolved by a Software update from September 2019.)
30 May 2019
Report that 2014 SEAT Leon 1.6 TDi 105 Ecomotive needed new turbo and DPF at a cost of £3,820, but garage then discovered that it needed a replacement engine as well. Replacement engine fitted FoC.
16 May 2019
Report of SEAT Leon 1.2TSI engine using 1 litre of oil every 1,000 miles.
3 Apr 2019
Report of turbo actuator of 2015 SEAT Leon 1.4TSI 150 FR failing three times in 28,000 miles.
8 Dec 2018
Report of catastrophic oil loss from engine of 2014 SEAT Leon 1.2TSI (VIN: VSSZZZ5FZER096473) in France. A few minutes before the oil loss, owner heard a faint rattling. French SEAT dealer refused to repair it until they had received confirmation from SEAT that SEAT would pay for the repair. Apparently, this has now been given but the garage now claims that it are waiting for the equipment needed to effect the repair. Owner told that defect itself concerns a pulley coming adrift inside the cylinder head. See 17-7-2018. Likely to be why timing belt replacement on EA211s is being scheduled at 4 years old.
2 Nov 2018
Report of failure of DQ200 7-speed dry clutch DSG transmission in 2013 SEAT Leon 1.8TSI at 35k miles. Car serviced annually by a "specialist". Dealer asking almost £5k to replace.
9 Oct 2018
Report of Mechatronics of 2014 SEAT Leon failing (presumed DQ200 7-speed dry clutch DSG). Owner quoted £1,400 to repair.

Source: honestjohn.co.uk · 30 reports indexed, top 12 shown

Recall history

24 UK recalls on record.

The Leon has 24 official UK vehicle recalls covering defect details, remedies, and affected build dates.

See all recalls

Buying or keeping a Leon?

Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.

If you own a Leon and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.