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2017–2023 Kia Stinger · common problems & known faults

A rear-drive performance saloon that sells to enthusiasts, so the emphasis is on how hard it has been driven and whether the drivetrain has been serviced properly.

Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026

Quick answer

The most commonly reported faults on the 2017–2023 Kia Stinger are Automatic gearbox harshness where fluid has never been changed, 2.2 diesel DPF and EGR blockage on urban cars and Oil weeping from the left-hand turbocharger oil feed pipe on 3.3 T-GDI models, causing a burning smell. 3 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.

Reliability snapshot

Based on the documented faults on this page for the Kia Stinger.

4.9/ 10
Buy with caution
Critical
0
High
3
Medium
2
Low
3

Guidance only · reflects reported patterns, not a specific car's condition.

Kia Stinger problems by year

Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.

Known faults to check

BrakesMedium

Discs and pads worn quickly on the 3.3 T-GDI

Typically appears
30,000+ miles
What to inspect
Measure disc lip and check pad thickness on all corners
TransmissionHigh

Automatic gearbox harshness where fluid has never been changed

Typically appears
60,000+ miles
What to inspect
Feel for shunt on light-throttle upshifts
EngineHigh

2.2 diesel DPF and EGR blockage on urban cars

Typically appears
60,000+ miles
What to inspect
Check for regeneration warnings and inspect the EGR history
SuspensionMedium

Adaptive damper leaks and bush wear on GT models

Typically appears
50,000+ miles
What to inspect
Look for oil on damper bodies and test the drive modes
BodyworkLow

Kerbed 19-inch wheels and front lip damage

Typically appears
Age-related
What to inspect
Inspect all rims and the front spoiler
InteriorLow

Creaking or rattling noises from the panoramic sunroof assembly when the chassis flexes.

Typically appears
20,000-40,000 miles
What to inspect
Open the sunroof tilt function and check the rubber seals for drying. Press upwards on the glass from the front seats to check for excessive play in the tracks.
BodyworkLow

Clunking noise from the rear hatch over uneven ground due to a worn latch or misadjusted bump stops.

Typically appears
15,000-30,000 miles
What to inspect
Close the tailgate and push down firmly on the exterior panel near the badge. If you feel vertical play or hear a click, the latch or bump stops require adjustment.
EngineHigh

Oil weeping from the left-hand turbocharger oil feed pipe on 3.3 T-GDI models, causing a burning smell.

Typically appears
30,000-60,000 miles
What to inspect
Shine a torch down the left side of the engine bay towards the turbo heat shield. Look for fresh oil residue or smoke burning off the exhaust manifold after a cold start.

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Frequently asked questions

Is the Stinger reliable?

Yes, mechanically it is strong; abuse and missed gearbox services are the risks.

Does the Kia warranty help resale?

Very much · the seven-year transferable warranty is a genuine selling point on younger cars.

Which version sells best?

The GT-Line diesel for value buyers, the GT-S V6 for enthusiasts.

What should I check on a test drive?

Gearbox smoothness, brake feel and any vibration at motorway speed.

Are there specific servicing requirements for the 3.3 V6 spark plugs?

Yes, the 3.3 T-GDI engine requires spark plug replacement every 40,000 miles or 48 months. This is a labour-intensive job because the intake manifold must be removed to access the left bank. Ensure this is documented, as neglected plugs cause misfires under load and will significantly increase your preparation costs.

How can I tell if a Stinger has the factory limited-slip differential?

In the UK market, a mechanical limited-slip differential (LSD) was fitted as standard equipment to all 3.3 T-GDI GTS models. It was not available on the 2.0-litre petrol or 2.2-litre diesel variants. When retailing a GTS, always verify the differential casing for leaks during your ramp inspection.

Sources & further reading

Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.