Most common 2021 Toyota Prius problems
Share of the 6 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Toyota Prius complaints by model year
Best Prius years: 2021, 2020, 2018. Years to avoid: 2011, 2010, 2007, 2006, 2008. Compare all years →
NHTSA defect investigations
Federal safety investigators have looked into a possible defect involving the 2021 Toyota Prius:
Pedestrian alert sounds
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles.
2021 Toyota Prius engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 1.8L 4-cyl hybrid | CVT | FWD | 58 / 53 / 56 |
| 1.8L 4-cyl hybrid | CVT | 4WD | 51 / 47 / 49 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2021 Toyota Prius a good car?
Based on 6 owner complaints filed with NHTSA, the 2021 Prius rates better than average: 93% fewer complaints than a typical year of the Prius at the same age. It is one of the best Prius years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2021 Toyota Prius?
The engine & cooling — 2 complaints, 33% of all complaints for this model year. Next are the fuel & propulsion system (2) and wheels & tires (1).
How many recalls does the 2021 Toyota Prius have?
NHTSA lists no recalls for the 2021 Toyota Prius. You can still confirm with your VIN using our VIN recall check.
What are the best and worst years of the Toyota Prius?
The best years by complaints, compared at the same age, are 2021, 2020 and 2018. Years to avoid or approach with caution: 2011, 2010, 2007, 2006 and 2008. See the full Toyota Prius years comparison.
At what mileage do 2021 Toyota Prius problems happen?
The median mileage reported in complaints is about 5,000 miles; 67% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.