Chevrolet Impala Eco Eassist
Problems & Worst Years
Every reported problem for the Chevrolet Impala Eco Eassist, model year by model year — ranked from 470 federal NHTSA complaints across 2015–2016.
One year overshadows the other in the Chevrolet Impala Eco eAssist data, and it isn't close. The 2016 model year logged 572 total complaint occurrences — one of the largest single-year totals in this entire group of vehicles — concentrated into just nine problems, four of them at safety severity. The 2015 year, by contrast, spread a much smaller 147 occurrences across 28 mostly moderate problems.
What went wrong in 2016 reads as one connected story: power loss and shifting electronics. Reduced engine power leads at 170 reports, logged at safety severity, with a second safety-severity entry — engine power reduction during driving — adding 80 more. The auto stop/start system drew 101 safety-severity reports of failure, typically the kind of fault that leaves a car stumbling or stalled when it should restart. Then come the park problems: a "shift to park" issue at 72 reports and incorrect shifting to park at 65, filed against the electrical system and transmission respectively. Together, power-reduction and park-shift complaints account for the overwhelming majority of the year's volume.
The 2015 file looks tame next to that. Its top entries are general electrical system issues (20 reports), power steering malfunction (14), blind spot detection failure (12), airbag malfunction (7), and lane departure system failure (7) — a scattering of electronics gripes without a single dominant failure mode. No recall campaigns are listed for either year in this data, so there is no campaign paperwork to lean on; the burden falls entirely on evaluating the individual car.
For a 2016 specifically, a long test drive matters: watch for reduced-power warnings, stop/start misbehavior at lights, and any drama shifting into or out of park. And keep the numbers honest — these are complaints owners filed with NHTSA, not measured failure rates, newer cars generally have had less time to accumulate reports, and a thorough pre-purchase inspection with service records in hand will always tell you more than the model year does.
Chevrolet Impala Eco Eassist problems by year
Complaint volume by model year (bar = relative to the worst year). Theworst yearsare the most-complained-about, weighted by safety-risk problems.
| Year | Complaint volume | Problems | Safety / High | Most common problem |
|---|---|---|---|---|
| 2015worst | 118 | 28 | 2/9 | Electrical System Issues Electrical · 20 complaints |
| 2016worst | 352 | 9 | 4/4 | Reduced Engine Power Engine · 170 complaints |
Data source: U.S. National Highway Traffic Safety Administration (NHTSA) owner complaints and recalls, 2015–2016. Problem clustering and year rankings are derived from the complaint record; complaint volume reflects reports filed, not total incidence or fault rate. Vehicle image is illustrative.