2018 Hyundai Tucson
Common Problems
Ranked from 165 federal NHTSA complaints. Every problem links to the complaint IDs behind it.
12 Common Problems
Ordered by how often owners reported each one to NHTSA. The bar shows how common a problem is relative to the most-reported on this vehicle. Expand any problem to see the federal complaint IDs.
- 1
Engine Failure Causing Check Engine Light to Illuminate
74complaintsHigh severityEngineThe engine failure causes the check engine light to illuminate, indicating underlying issues that require immediate attention.
$4,000–$8,000est. engine replacement · 12–20 hrs laborGet local quotes - 2
Engine Stall During Acceleration
43complaintsHigh severityEngineThe engine stalls during acceleration, causing loss of power and potential safety risks.
$150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs laborGet local quotes - 3
Engine Failure Due to Excessive Oil Consumption
35complaintsHigh severityEngineThe engine consumes an excessive amount of oil, leading to potential engine failure.
$4,000–$8,000est. engine replacement · 12–20 hrs laborGet local quotes - 4
Engine Overheating
31complaintsSafety riskEngineThe engine overheats, causing the air conditioning to fail and the vehicle to shut down unexpectedly.
$150–$1,200est. cooling-system diagnosis + repair · 1–6 hrs laborGet local quotes - 5
Headlight Malfunction
19complaintsSafety riskElectricalHeadlights fail to function properly, requiring frequent repairs or replacements.
$100–$900est. lighting assembly repair · 0.5–2 hrs laborGet local quotes - 6
Engine Knocking Sound and Loss of Power
8complaintsMedium severityEngineThe engine produces a knocking sound and experiences a sudden loss of power, often requiring immediate attention.
$150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs laborGet local quotes - 7
Engine Stalling and Repeated Repairs
6complaintsHigh severityEngineThe engine repeatedly stalls and requires multiple repairs, including engine replacement, due to undiagnosed issues.
$150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs laborGet local quotes - 8
Knock Sensor Issues
6complaintsMedium severityEngineKnock sensor failures lead to engine misfires and require frequent replacements, often without warning lights.
- 9
Engine Knocking and Unusual Noises
5complaintsMedium severityEngineThe engine produces unusual noises and knocking, often indicating internal engine failure or wear.
- 10
Check Engine Light and Oil Pressure Issues
4complaintsMedium severityEngineThe check engine light illuminates along with low oil pressure, indicating potential engine failure.
$100–$250est. professional diagnosis · 1–2 hrs laborGet local quotes - 11
Severe Power Loss and Acceleration Issues
4complaintsMedium severityEngineThe vehicle experiences severe power loss and difficulty accelerating, often without any warning lights.
$150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs laborGet local quotes - 12
Engine Knocking and Misfire
3complaintsMedium severityEngineThe engine produces knocking sounds and misfires, often requiring a new engine or major repairs.
$200–$900est. ignition service (coils/plugs) · 1–4 hrs laborGet local quotes
Other years & sources
Data source: U.S. National Highway Traffic Safety Administration (NHTSA) owner complaints and recalls. Problems are clustered and ranked from the complaint record; occurrence counts reflect corroborating complaints, not total incidence. Vehicle image is illustrative. Repair-cost figures are typical U.S. independent-shop ranges (parts + labor) for the class of repair shown — actual quotes vary by region, engine, and diagnosis; always confirm with a local shop.