2018 Nissan Armada engine problems
14 owner complaints filed with NHTSA name the engine on the 2018 Nissan Armada — 19% of all complaints for this model year.
What owners report
“My 2018 Nissan Armada has had SO MANY issues (probably 15-20) with not starting when cranked. Something is draining its battery. We have had to change the battery so many times (usually 2-3 times every year or two.) This happens without any notice! We have been stranded in other cities, stores…”
filed May 12, 2026
“UNKNOWN - engine developed knock that could potentially lead to catastrophic engine failure during normal driving conditions, causing loss of control or inability to stop. NTB19-057a is a technical service bulletin issued by manufacturer - cylinder 7 scuffing with a short block or complete engine…”
filed Apr 22, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Armada years
| Year | Reports | Share |
|---|---|---|
| 2020 Armada | 4 | 15% |
| 2019 Armada | 9 | 12% |
| 2017 Armada | 16 | 20% |
| 2011 Armada | 9 | 23% |
| 2010 Armada | 5 | 10% |
| 2009 Armada | 3 | 13% |
| 2008 Armada | 2 | 1% |
| 2007 Armada | 4 | 5% |
| 2006 Armada | 9 | 3% |
| 2005 Armada | 12 | 3% |
| 2004 Armada | 14 | 3% |
Other reported problem areas on the 2018 Nissan Armada
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.