The best and worst Chevrolet Impala years, by the numbers
Short answer: among Chevrolet Impalas old enough to judge (2005–2021), the 2016, 2018–2019 and 2021 have the fewest owner complaints per 10,000 sold. The 2008–2009, 2011 and 2014 have the most.
We counted every owner complaint filed with the federal government (NHTSA) for each model year and divided by how many were sold that year, so a year that sold more doesn’t look worse just for being popular. Years newer than 2021 are shown but not ranked — they haven’t been on the road long enough. How this is calculated.
Years with the most complaints
2008 Chevrolet Impala · 28.9 per 10,000 sold (1.8× this model’s typical year)
Most-reported: Body control and other modules, typically around 99,260 miles; then wiring harness, grounds and connectors.
2009 Chevrolet Impala · 49.2 per 10,000 sold (3.1× this model’s typical year)
Most-reported: Body control and other modules, typically around 90,000 miles; then airbags, seatbelts and restraints.
2011 Chevrolet Impala · 29.5 per 10,000 sold (1.9× this model’s typical year)
Most-reported: Body control and other modules, typically around 77,000 miles; then doors, windows, latches, seats and trim.
2014 Chevrolet Impala · 45.2 per 10,000 sold (2.8× this model’s typical year)
Most-reported: Body control and other modules, typically around 65,000 miles; then driver-assist cameras, radar and calibration.
Years with the fewest complaints
2016 Chevrolet Impala · 11.4 per 10,000 sold (0.7× this model’s typical year)
Most-reported, even so: Body control and other modules, typically around 43,500 miles.
2018 Chevrolet Impala · 10.4 per 10,000 sold (0.7× this model’s typical year)
Most-reported, even so: Airbags, seatbelts and restraints, typically around 62,112 miles.
2019 Chevrolet Impala · 6.2 per 10,000 sold (0.4× this model’s typical year)
Most-reported, even so: Airbags, seatbelts and restraints, typically around 29,000 miles.
2021 Chevrolet Impala · 0.0 per 10,000 sold (0.0× this model’s typical year)
Every year: complaints per 10,000 sold
Typical Chevrolet Impala year: 15.9 per 10,000 sold.
Complaints are counted once each, even when an owner lists several parts. Sales are US units sold in the calendar year, a close stand-in for the model year.
Common questions
What is the worst year for the Chevrolet Impala?
Among Chevrolet Impalas old enough to judge (2005–2021), the 2009 has the most owner complaints per 10,000 sold: 49.2, about 3.1× a typical Chevrolet Impala year. The 2008, 2011 and 2014 also stand out.
What is the best year for the Chevrolet Impala?
The 2021 has the fewest owner complaints per 10,000 sold among Chevrolet Impalas from 2005–2021: 0.0, against 15.9 for a typical year. The 2016 and 2018–2019 are also well below typical.
What goes wrong on the 2009 Chevrolet Impala?
The most-reported problem on the 2009 Chevrolet Impala is body control and other modules, typically around 90,000 miles.
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Source: NHTSA owner complaints and recalls; US sales from public industry figures. Complaints are self-reported and not independently verified. This is not an inspection and not a recommendation to buy or avoid any vehicle.