2018 Hyundai Tucson Engine Problems
Owners have filed 244 complaints with NHTSA about engine problems on the 2018 Hyundai Tucson, 61% of all complaints for this model year. Half of the reports with a mileage happened before 60,000 miles. The words owners use most often: “oil consumption” (14% of reports).
- 244engine complaints
- 60,000median miles at failure
- 4mention a crash
- 2mention an injury
- 0related recalls
- $7,350typical repair cost reported by owners
- 51%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Oil consumption: mentioned in 35 of 244 complaints (14%)
- Knock sensor: mentioned in 20 of 244 complaints (8%)
- Catalytic converter: mentioned in 13 of 244 complaints (5%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine repair on the 2018 Hyundai Tucson at $7,350, and half of them between $1,300 and $11,350.
Based on 11 NHTSA complaints about this problem alone that state a repair bill or quote (2019–2026), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine problems happen?
Based on 57 complaints that reported the odometer reading.
How serious are the reports?
Of 244 complaints, 4 mention a crash, 8 a fire, 2 an injury.
Hyundai Tucson engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Tucson | 2 | 3% | — |
| 2025 Tucson | 12 | 4% | — |
| 2024 Tucson | 14 | 14% | 17,500 |
| 2023 Tucson | 23 | 17% | 22,871 |
| 2022 Tucson | 115 | 30% | 34,219 |
| 2021 Tucson | 39 | 49% | 34,904 |
| 2020 Tucson | 73 | 41% | 80,000 |
| 2019 Tucson | 200 | 52% | 41,580 |
| 2018 Tucson | 244 | 61% | 60,000 |
| 2017 Tucson | 601 | 55% | 56,117 |
| 2016 Tucson | 424 | 26% | 56,000 |
| 2015 Tucson | 120 | 52% | 69,700 |
| 2014 Tucson | 110 | 54% | 92,000 |
| 2013 Tucson | 156 | 59% | 86,993 |
| 2012 Tucson | 160 | 63% | 98,500 |
| 2011 Tucson | 40 | 32% | 100,000 |
| 2010 Tucson | 7 | 12% | 140,000 |
| 2009 Tucson | 1 | 6% | 106,000 |
| 2008 Tucson | 5 | 12% | 91,273 |
| 2007 Tucson | 5 | 8% | 115,000 |
| 2006 Tucson | 12 | 9% | 130,000 |
| 2005 Tucson | 18 | 10% | 81,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the 2018 Hyundai Tucson. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Engine stalls jurks lose of power engine light blinking excessive oil use
The contact owns a 2018 Hyundai Tucson. The contact stated that while driving approximately 65 MPH, there was a knocking sound coming from the engine compartment, and the vehicle started shaking aggressively. The brake pedal was depressed; however, the vehicle failed to respond as needed, and the…
2018 Hyundai Tucson catastrophic engine failure consistent with known Hyundai Nu engine defect pattern documented across 141 prior owner-filed NHTSA complaints for this same vehicle. OBD codes P0326, P0301, P0302, P0303, P0304 documented July 19â25, 2026. Independent licensed mechanic confirmed…
Frequently asked questions
Do all 2018 Hyundai Tucsons have engine problems?
No. NHTSA has 244 owner complaints about engine for the 2018 Hyundai Tucson (61% of the 399 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2018 Hyundai Tucson engine?
No recall currently lists engine for this vehicle.
At what mileage do engine problems start?
The median reported mileage is 60,000 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine problems on the 2018 Hyundai Tucson?
Owners report a typical cost of $7,350 (half paid between $1,300 and $11,350), from 11 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine problems on the 2018 Hyundai Tucson?
The most frequent phrase is “oil consumption”, in 35 of 244 complaints, followed by “knock sensor” (20).
Other 2018 Hyundai Tucson problems
- Power Train problems (101)
See all 2018 Hyundai Tucson problems or engine problems across all Tucson years.