2018 Hyundai Sonata Recalls, Problems & MPG
NHTSA lists 1 safety recall and 384 owner complaints for the 2018 Hyundai Sonata. The EPA rates it 26 to 42 MPG combined, depending on engine and drivetrain.
- Recalls
- 1
- Owner complaints
- 384
- Crashes / fires reported
- 18 / 13
- EPA combined
- 26–42 MPG
2018 Hyundai Sonata recalls
Latches/Locks/LinkagesAug 6, 2021 · NHTSA 21V619000+
Risk: A person inside the trunk compartment may become trapped, increasing their risk of injury.
Fix: Dealers will replace the trunk latch base, free of charge. Owner notification letters were mailed December 4, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 208.
Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Sonata, 2016-2018 Sonata Hybrid, 2018-2020 Accent, and 2016-2017 Azera vehicles. The trunk latch may become damaged, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 401, "Internal Trunk Release."
Recall repairs are free. Enter your VIN at nhtsa.gov/recalls to see if yours still needs one.
Most reported 2018 Hyundai Sonata problems
Owner complaints to NHTSA by system. One complaint can name more than one system.
- Engine217
- Electrical System62
- Unknown or Other59
- Power Train41
- Fuel/Propulsion System33
- Exterior Lighting24
- Vehicle Speed Control19
- Structure17
2018 Hyundai Sonata gas mileage
EPA ratings for each version (city / highway / combined).
| Version | Engine | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|
| Sonata Hybrid SE | 2.0 L 4 cyl, Automatic (AM6) | 40 | 46 | 42 | $1,550 |
| Sonata Hybrid | 2.0 L 4 cyl, Automatic (AM6) | 39 | 44 | 41 | $1,550 |
| Sonata Plug-in Hybrid | 2.0 L 4 cyl, Automatic (AM6) | 37 | 42 | 39 | $1,650 |
| Sonata | 1.6 L 4 cyl, Automatic (AM7) | 28 | 37 | 31 | $2,050 |
| Sonata SE | 2.4 L 4 cyl, Automatic (S6) | 25 | 36 | 29 | $2,200 |
| Sonata | 2.4 L 4 cyl, Automatic (S6) | 25 | 35 | 28 | $2,300 |
| Sonata | 2.0 L 4 cyl, Automatic (S8) | 23 | 32 | 26 | $2,450 |
Real-world mileage depends on how and where you drive. Logbay compares your actual MPG with these EPA numbers.
Questions
Does the 2018 Hyundai Sonata have any recalls?
Yes. NHTSA lists 1 recall for the 2018 Hyundai Sonata, most recently for the latches/locks/linkages (Aug 6, 2021). Recall repairs are free at a dealer; check your VIN at nhtsa.gov/recalls.
What are the most common 2018 Hyundai Sonata problems?
Owners filed 384 complaints with NHTSA. The most reported areas are engine (217), electrical system (62), unknown or other (59).
What gas mileage does the 2018 Hyundai Sonata get?
The EPA rates the 2018 Hyundai Sonata at 26 to 42 MPG combined (best version: 40 city / 46 highway).
Sources: NHTSA recalls and owner complaints (api.nhtsa.gov), EPA fuel economy (fueleconomy.gov). Updated Oct 26, 2026. Complaint counts are unverified owner reports.