2018 Hyundai Tucson Engine Problems

NHTSA component category: ENGINE · data through 07/14/2026

233Engine complaints

60.7%Of all 384 complaints

#1Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine ranks on this vehicle

ENGINE233 · 60.7%

POWER TRAIN100 · 26%

Unspecified / other41 · 10.7%

ELECTRICAL SYSTEM27 · 7%

FUEL/PROPULSION SYSTEM22 · 5.7%

Share of the 384 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Hyundai Tucson overview page.

What owners report

“Emission light is on and called dealer for an appointment, stated they will called me when they can line me up with a tech and…”NHTSA complaint 11444328 — filed 12/19/2021

“Buy brand new off lot. Never miss Regular maintenance on engine oil and filters. Car had only 55200 miles. After 500 miles regular oil interval…”NHTSA complaint 11442736 — filed 12/05/2021

“My engine blew on the freeway. And we believe it to be a rod bearing issue. Regular oil changes and maintenance done since I owned…”NHTSA complaint 11441608 — filed 11/24/2021

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine complaints by year filed

Frequently asked questions

Does the 2018 Hyundai Tucson have engine problems?

Engine is the most-reported problem area on the 2018 Hyundai Tucson: 233 of 384 complaints on file (60.7%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2018 Hyundai Tucson have in total?

384 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 13 involved a crash, 9 involved a fire, 10 reported injuries, and none reported deaths.

What does NHTSA's engine category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.