2021 Dodge Durango power train problems
10 owner complaints filed with NHTSA name the power train on the 2021 Dodge Durango — 5% of all complaints for this model year.
What owners report
“The engine cooling system on my 2021 Dodge Durango GT failed due to ruptured coolant lines, including the rear coolant tubes supplying the rear air conditioning system and both transmission heater hoses. These lines carry engine coolant to the rear HVAC system and transmission. The ruptures caused…”
filed Dec 16, 2025
“The heating hose exploded due to unknown pressure and ended up getting steaming, hot coolant, and all the cylinders and causing engine failure on a Dodge Durango that I purchased 80 days ago. and I have manufacturer, the dealer and an extended warranty, and after verbal and written promises, now…”
filed Jun 11, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Durango years
| Year | Reports | Share |
|---|---|---|
| 2023 Durango | 8 | 30% |
| 2022 Durango | 9 | 17% |
| 2020 Durango | 3 | 6% |
| 2019 Durango | 12 | 9% |
| 2018 Durango | 13 | 6% |
| 2017 Durango | 23 | 11% |
| 2016 Durango | 30 | 19% |
| 2015 Durango | 38 | 8% |
| 2014 Durango | 42 | 5% |
| 2013 Durango | 34 | 5% |
| 2012 Durango | 37 | 6% |
| 2011 Durango | 51 | 6% |
Other reported problem areas on the 2021 Dodge Durango
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.