2017 Hyundai Sonata — Should You Buy One?
Typical asking price: $10,000–$15,000. There is 1 high-severity known issue you need to know before handing over a check.
Kestrel Take
A comfortable, well-equipped, value-packed midsize — but the engine is the headline. The 2.4L GDI and 2.0T (Theta II) are the subject of a major engine-failure recall and extended warranty for rod-bearing knock. A car with the recall/inspection done and a healthy engine is a genuine bargain; one without documentation is a risk.
Known Issues for the 2017 Hyundai Sonata
Ranked by wallet impact. These are documented, recurring problems — not freak accidents.
The 2.4L GDI and 2.0T are covered by a recall and extended warranty for bearing wear that causes knocking and seizure. Verify the knock-sensor detection software and any engine replacement/inspection were performed; listen for knocking at idle.
Repair cost range: $0 under warranty / $4,000+ otherwise
Chips and thins faster than average. Cosmetic.
Repair cost range: Varies
Comfort-tuned and a bit vague; character.
Repair cost range: N/A
Brakes, tires, suspension wear normally.
Repair cost range: $150-$600
Walk-Away Red Flags
- ✗Any knocking or ticking at idle
- ✗No record of the Theta II recall/software
- ✗Oil consumption or low oil
- ✗Salvage title
Good Signs
- ✓Recall software and (if applicable) engine work documented
- ✓Quiet engine, steady oil
- ✓Remaining powertrain warranty
Found a specific Hyundai Sonata?
This page covers what goes wrong on the 2017 Hyundai Sonata in general. The Kestrel report covers this specific car— the asking price vs. market, the photos, the seller's description, and a BUY / NEGOTIATE / WALK AWAY verdict with a negotiation script.
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Known issues on this page are based on documented owner reports, NHTSA complaints, class-action records, and manufacturer technical service bulletins. Individual vehicles vary. A pre-purchase inspection by a trusted mechanic is always worth doing.
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