Hyundai Sonata problems

It's got known weak points. With a reliability score of 6.4 out of 10 based on 754 owner complaints filed with NHTSA, the 2017 Hyundai Sonata has a higher-than-average rate of reported issues. The areas to watch are listed above. Whether it's worth owning depends on price, condition, and how much repair exposure you can absorb.

On the NHTSA data, the 2017 Hyundai Sonata is one to avoid unless a specific vehicle proves otherwise. The data says walk unless this exact vehicle has documented proof the electrical system was repaired or replaced. The record behind that call: 6 fire-related complaints and 2 crash-related complaints on the engine; Electrical system: 45 complaints, classified severe, failures cluster 14,000–55,080 mi; Body: 34 complaints, classified severe, failures cluster 37,400–93,000 mi; Reliability score 6.4/10 — around the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.

Based on NHTSA records, the most-reported issue is engine, with 290 complaints filed. Typical failure occurs around 84,718 miles. Average repair cost runs about $3,100 at an independent shop.

The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. Typical failure occurs around 84,718 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 754 complaints on file and the costliest repair averaging $3,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.