2018 Honda Accord Power Train Problems

Source: NHTSA · Updated Oct 14, 2026 · 137 complaints analyzed

Owners have filed 137 complaints with NHTSA about power train problems on the 2018 Honda Accord, 7% of all complaints for this model year. Half of the reports with a mileage happened before 14,110 miles. The words owners use most often: “head gasket” (30% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Head gasket: mentioned in 41 of 137 complaints (30%)
  • Violent shift: mentioned in 12 of 137 complaints (9%)
  • Mentioned numerous: mentioned in 12 of 137 complaints (9%)
  • Perhaps turbo: mentioned in 11 of 137 complaints (8%)

At what mileage do power train problems happen?

Based on 40 complaints that reported the odometer reading.

Under 10k miles18 · 45%
10k–25k miles6 · 15%
25k–50k miles9 · 23%
50k–75k miles4 · 10%
75k–100k miles2 · 5%
100k–150k miles1 · 3%
150k+ miles0 · 0%

How serious are the reports?

Of 137 complaints, 1 mention a crash, 1 an injury.

Honda Accord power train complaints by model year

Peak: 2003, with 924 complaints
1995: 1819951996: 271997: 331998: 27619981999: 2462000: 2012001: 20920012002: 4782003: 9249242004: 34820042005: 1132006: 502007: 5820072008: 702009: 362010: 4520102011: 212012: 272013: 11020132014: 642015: 402016: 2920162017: 332018: 1372019: 4320192020: 162021: 142022: 820222023: 32024: 62025: 52025

n = 3,688 complaints · Source: NHTSA

Model yearPower Train complaintsShare of that yearMedian miles
2025 Accord56%—
2024 Accord64%75,000
2023 Accord34%—
2022 Accord83%—
2021 Accord146%—
2020 Accord164%2,833
2019 Accord436%32,500
2018 Accord1377%14,110
2017 Accord336%15,814
2016 Accord295%28,750
2015 Accord407%29,000
2014 Accord647%53,314
2013 Accord1108%15,500
2012 Accord277%62,000
2011 Accord217%4,700
2010 Accord458%64,121
2009 Accord365%62,175
2008 Accord705%78,150
2007 Accord5811%88,306
2006 Accord5012%98,640
2005 Accord11317%70,000
2004 Accord34834%100,000
2003 Accord92447%98,000
2002 Accord47846%88,000
2001 Accord20923%84,500
2000 Accord20117%113,006
1999 Accord24622%83,000
1998 Accord27623%86,000
1997 Accord337%82,500
1996 Accord276%125,000
1995 Accord183%147,323

When owners reported it

Peak: 2026, with 33 complaints
2018: 122018122019: 112019112020: 102020102021: 7202172022: 3202232023: 192023192024: 132024132025: 292025292026: 33202633

n = 137 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists power train for the 2018 Honda Accord. 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.

this is a known issue with honda. the head gasket is blown causing all the warning lights to come up on the dash. my car has not got hot, it goes up to the H but goes right back down to normal setting. i have had my local honda dealer look at my vehicle and that is what they told me was the issue…

Received Sep 18, 2026 · NHTSA complaint 11765319

There is a hole in the engine block and it happed while I was driving, people could’ve been hurt on the road because of this mechanical failure. Vehicle has only been inspected by a private mechanic who found the problem. There was no warning of this besides a add air to tire warning.

Received Sep 1, 2026 · NHTSA complaint 11761461

Car went into limp mode and was struggling to accelerate, went and got it diagnosed and was notified that my spark plugs needed to be replaced. Car began running fine but a few months went by and the issue came back. I was told I needed my spark plugs changed again. After the third time, I went and…

Received Sep 1, 2026 · NHTSA complaint 11761198
Honda Accord
Urban Gray Pearl Honda Accord Hybrid Touring CY2 sedan at Honda Ilsan Dealership.. Representative photo; appearance varies by model year. Photo: Damian B Oh, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 2018 Honda Accords have power train problems?

No. NHTSA has 137 owner complaints about power train for the 2018 Honda Accord (7% of the 1,891 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 Honda Accord power train?

No recall currently lists power train for this vehicle.

At what mileage do power train problems start?

The median reported mileage is 14,110 miles: half of the reports with a mileage came before that.

What do owners say about power train problems on the 2018 Honda Accord?

The most frequent phrase is “head gasket”, in 41 of 137 complaints, followed by “violent shift” (12).

Other 2018 Honda Accord problems

See all 2018 Honda Accord problems or power train problems across all Accord years.