Fault File
All models / All cars / Family hatchbacks / DS 4

DS 4

All generations and engines together · 14,117 MOT tests in the 2025 data · typical mileage at age 7: 59k

First-time failure at age 7
33.3%
Across 684 tests. The average across all tracked models is 19.5%.
Rank at age 7
233 of 239
1 = lowest failure rate among the models tracked.
Typical mileage at age 7
59k miles
Check the mileage view below; low-mileage models can look better by age than they are.

Generation

Split by first-registration year. Cars registered in a changeover year can belong to either generation.

How this model wears

DS 4Class average, all tracked models

Known issues

Measured

Computed from DVSA MOT results, all of Great Britain, 2025. Nothing here is opinion.

What testers flag

Share of tests where each item was recorded. The dark tick is the class average across all tracked models; bars are scaled within each group.

Faults with the car itself

The rows that judge the model rather than its keeper. 4,615 tests in this band.

A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc
Fail
10.6%class 0.6%
A spring or spring component fractured or seriously weakened
Fail
9.0%class 1.4%
Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users
Advisory
5.2%class 2.0%
A suspension pin, bush or joint excessively worn
Advisory
3.9%class 5.9%
A transmission shaft constant velocity joint boot severely deteriorated
Minor
3.8%class 0.6%
A spring or spring component fractured or seriously weakened
Advisory
2.0%class 1.3%
A headlamp or light source missing, inoperative or more than ½ not functioning in the case of LED
Fail
1.8%class 0.8%
Play in steering rack inner joint(s)
Advisory
1.8%class 1.1%
Exhaust system leaking or insecure
Advisory
1.7%class 0.6%
Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
Fail
1.4%class 0.8%

Wear, upkeep and luck

Tyres, pads and stone chips say more about how the car was driven and maintained than about how it was built.

Tyre tread depth not in accordance with the requirements
Advisory
36.0%class 22.9%
Brake disc or drum excessively weakened, insecure or fractured
Advisory
21.7%class 10.1%
A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources
Minor
10.1%class 1.2%
A brake lining or pad worn below 1.5mm
Advisory
9.6%class 8.7%
A tyre seriously damaged
Advisory
9.5%class 12.7%
Tyre tread depth not in accordance with the requirements
Fail
6.2%class 2.2%
Brake disc or drum significantly and obviously worn
Advisory
4.4%class 3.4%
A rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps
Fail
4.1%class 0.6%

Unconfirmed issues

Reported

Owner folklore from forums and the motoring press. Most of it never shows up in an MOT, which is why this section exists at all.

PureTech engine oil dilution and timing belt failure

Confirmed pattern

The 1.2 PureTech turbo petrol, fitted to the current DS 4 and the DS 4 Crossback before it, can dilute its own oil with unburned fuel from cold starts. That softens the timing belt, which runs inside the sump rather than at the front of the engine like most, and it can shed rubber or snap outright, wrecking pistons and valves. Failures have shown up from around 60,000 miles, sometimes sooner, with a rebuild or replacement engine running £3,000-£6,000. Stellantis, DS's parent company, opened an official compensation scheme in January 2025 covering oil consumption and premature belt failure on PureTech engines built between 2012 and 2022.

Reported from around 60k miles · sources: Stellantis PureTech compensation platform, DS/Citroen owner forums

1.6 THP timing chain stretch (Mk1 petrol)

1.6 THP petrol only (2011-2015 cars)

The turbocharged 1.6 THP petrol in the original Citroen DS4 can let its timing chain stretch, throwing random misfire codes and, in worse cases, knocking the ignition timing out far enough to trip limp mode. A rattly, chain-like noise on a cold start is the tell. There's no fixed factory replacement interval, so it tends to go unchecked until it's already noisy. A chain and tensioner job is a few hundred pounds done proactively; leave it and the bill gets much bigger.

Reported on higher-mileage cars · sources: owner and specialist forums covering the shared Peugeot/Citroen 1.6 THP engine

EGS6 automated gearbox jerkiness and actuator failure

EGS6 automatic only

Cars fitted with the EGS6 gearbox, sold as an automatic but really a robotised manual, are known for jerky, hesitant changes, especially crawling in traffic or manoeuvring at parking speed. Owners and mechanics report the hydraulic actuator that works the clutch can fail, in some cases after a split return pipe lets it run dry. Expect a rev-and-lurch feel between gears at first, then a box that struggles to select at all. Actuator repairs run into four figures at an independent specialist.

Reported across ownership, worse with age · sources: Citroen/DS owner forums, independent gearbox specialists

Diesel DPF, EGR and AdBlue faults

Diesel only

On the BlueHDi diesel, the DPF can clog on cars used mostly for short runs, cutting power and triggering a regeneration warning, while the EGR valve is prone to carbon build-up that causes smoking under acceleration and rough running. Some owners have also needed the AdBlue tank or pump replaced after an SCR system fault. None of this is unique to DS, it's the same diesel family used across the wider PSA/Stellantis range, but it's a real running cost to budget for. DPF or EGR repairs typically land between £800 and £2,500.

Worse on short-run, urban-mileage cars · sources: independent diesel specialist and owner forums

Infotainment freezes and electrical gremlins

Emerging

A recurring, minor complaint is a touchscreen that's slow to wake after starting the engine, sometimes staying blank or freezing until the car is restarted. Owners also mention occasional central locking glitches and stray warning lights that clear themselves. It's usually a software niggle rather than a hardware failure, and a dealer software update often cures it, but it's not always covered once the car is out of warranty.

Reported across model years, no clear mileage pattern · sources: owner forums, Honest Car Check

Viewing one? Ask this

Built from the two sections above.

Pull the dipstick and check the oil for a fuel smell or a level that's crept up past the max mark. On a PureTech petrol that's the early sign of oil dilution, the fault behind the timing belt failure.
Start a 1.6 THP petrol from cold and listen for a rattly, chain-like noise for the first few seconds. That's the timing chain stretching; a snapped chain further down the line means bent valves.
On the test drive, crawl in traffic and feel how it shifts between 1st and 2nd gear. A jerky, hesitant change points to the EGS6 automated gearbox and a possible actuator problem.
In a diesel, accelerate hard and watch the mirror for smoke, and check for any warning lights after a longer run. Smoke or a lingering warning suggests a blocked EGR or DPF, an expensive fix once it's out of warranty.
Turn the ignition on and time how long the touchscreen takes to wake up, then work through every menu. A slow-booting or freezing screen is a known DS4 niggle; ask whether a software update has already been done.
Ask for service history and whether the seller has made a Stellantis PureTech compensation claim. A claim confirms the car had the oil-dilution problem; no paperwork on a PureTech car isn't reassuring either.
Read the full MOT history, not just the pass or fail. The same advisory repeated year after year means nobody's actually fixed it.

Others in its class

Same segment (Family hatchbacks), best MOT record first. Compare before you shortlist.