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2017–2020 Hyundai Elantra · common problems & known faults

The Elantra is strong value with good warranty history, but engine recalls and minor issues warrant a check.

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

Quick answer

The most commonly reported faults on the 2017–2020 Hyundai Elantra are Nu 2.0L engine — some engine-failure and stalling complaints (check recall/warranty history), Oil consumption on some engines and Infotainment and sensor glitches. 1 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 Hyundai Elantra.

7.9/ 10
Solid
Critical
0
High
1
Medium
1
Low
2

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

Hyundai Elantra 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

EngineHigh

Nu 2.0L engine — some engine-failure and stalling complaints (check recall/warranty history).

Typically appears
60,000+ miles
What to inspect
Listen for knock, confirm any engine software/recall work.
EngineMedium

Oil consumption on some engines.

Typically appears
70,000+ miles
What to inspect
Check oil level and top-up history.
ElectricalLow

Infotainment and sensor glitches.

Typically appears
Any
What to inspect
Test the screen and driver aids.
SteeringLow

Electric steering faults.

Typically appears
80,000+ miles
What to inspect
Confirm consistent steering feel.

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Frequently asked questions

Is the Hyundai Elantra reliable?

It's good value with a strong warranty; confirm any engine recall/software work and check oil use.

Do Elantras have engine problems?

Some engines have failure/stalling complaints — verify recall completion and history.

Is the Elantra a good used buy?

Yes, with recall history confirmed and clean oil-consumption records.

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.