YearToAvoid

2021 Subaru Forester Reliability Data: Problems & Recalls

Caution The 2021 Subaru Forester has a Complaint Index of 60 and ranks 9th worst out of 21 model years, earning a Caution verdict. Visibility & Wipers issues account for 43% of its 207 complaints, with unintended acceleration reports also noted in the Engine and Transmission categories.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
60/100
#9 of 21 Forester years
Verdict
Caution
vs. other years of this model
Complaints
207
unique NHTSA reports
Recalls
0
distinct NHTSA campaigns
Crashes
16
reported in complaints
Fires
5
Injuries
8
Top issue
Visibility & Wipers
Best nearby year
2024
rated Best
NHTSA overall rating
5 / 5 ★
EPA combined MPG
29
26 city / 33 hwy
Injuries / deaths
8 / 0

Top 2021 Subaru Forester problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Visibility & Wipers90 (43%)
  2. Engine42 (20%)
  3. Other42 (20%)
  4. Electrical System34 (16%)
  5. Collision Avoidance & Cameras18 (9%)
  6. Transmission & Powertrain14 (7%)
  7. Lane Departure8 (4%)
  8. Brakes7 (3%)
  9. Fuel System6 (3%)
  10. Suspension, Wheels & Tires6 (3%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Owners describe sudden, unintended acceleration while shifting into drive, reverse, or park, sometimes crashing into walls, garages, or parked cars.
  • Several reports mention the vehicle rolling backward on an incline even after being placed in park.
  • Some drivers report the engine stalling or hesitating at low speed or when leaving a stop, occasionally with a loud clunking sound and warning lights.
  • One complaint describes brake failure combined with the steering wheel locking up and stiffening during a crash.
  • A hesitation when tapping the gas pedal while backing out of a garage was reported, despite no obstruction being present.
2021 Subaru Forester complaints: complaints filed per quarter182021 Q12021 Q42022 Q32023 Q22024 Q12024 Q42025 Q32026 Q2
207 complaints filed with NHTSA from 2021 Q1 to 2026 Q3; peak 2021 Q2 (18).

2021 Subaru Forester recalls

No safety recalls on record for this model year.

2021 Subaru Forester fuel economy and fuel cost

City
26 MPG
Highway
33 MPG
Combined
29 MPG
Annual fuel cost (EPA)
$2,250
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2021 compared with other Forester years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’05’06’07’08’09’10’11’12’13’14’15’16’17’18’19’20’21’22’23’24’25
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2019Avoid100833329
2020Avoid95601029
2021Caution60207029
2022Good4598127.5
2023Good4073127.5

All Subaru Forester years: best and worst →

Frequently asked questions

Is the 2021 Subaru Forester reliable?
NHTSA data gives the 2021 Forester a Complaint Index of 60 and a Caution verdict, ranking 9th worst among 21 model years of the Forester. It has no open recalls.
What is the most common complaint for the 2021 Subaru Forester?
Visibility & Wipers problems make up 43% of the 207 complaints logged with NHTSA, more than any other category, with a median mileage at failure of 4,650 miles.
Does the 2021 Subaru Forester have a recall?
NHTSA lists zero recalls for the 2021 Forester, including zero do-not-drive recalls.
Does the 2021 Subaru Forester have unintended acceleration complaints?
Yes, several owners in the sample complaints describe the vehicle accelerating on its own while shifting gears or parking, with crashes reported in some cases.
How does the 2021 Forester compare to other Forester years?
Its Complaint Index of 60 is worse than the 2005-2008 and 2022-2024 model years, which carry Good or Best verdicts, but better than 2015, 2017, 2018, 2019, and 2020, which are rated Avoid.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.