2018 Honda Accord power train problems
137 owner complaints filed with NHTSA name the power train on the 2018 Honda Accord — 7% of all complaints for this model year.
What owners report
“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…”
filed Sep 18, 2026
“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.”
filed Sep 1, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Accord years
| Year | Reports | Share |
|---|---|---|
| 2025 Accord | 5 | 6% |
| 2024 Accord | 6 | 4% |
| 2023 Accord | 3 | 4% |
| 2022 Accord | 8 | 3% |
| 2021 Accord | 13 | 6% |
| 2020 Accord | 16 | 4% |
| 2019 Accord | 43 | 6% |
| 2017 Accord | 33 | 6% |
| 2016 Accord | 29 | 5% |
| 2015 Accord | 40 | 7% |
| 2014 Accord | 64 | 7% |
| 2013 Accord | 109 | 8% |
Other reported problem areas on the 2018 Honda Accord
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.