Independent · Not affiliated with NHTSA or any automaker MethodologyData sourcesData refreshed Oct 6, 2026

2021 Toyota Highlander: Problems, Recalls and MPG

What this means

NHTSA lists 4 recall campaigns for the 2021 Toyota Highlander, most recently filed March 2026. Owners have filed 527 complaints with NHTSA, most often about the power train. In NHTSA crash tests it earned 5 stars overall.

Data summary generated from official records. Methodology Data: NHTSA, DOT, EPA · Refreshed Oct 6, 2026
Compare

Recalls (4)

NHTSA lists 4 recall campaigns for the 2021 Toyota Highlander. Check whether yours was repaired with NHTSA's free VIN lookup ↗

Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.

Check on NHTSA ↗
Listed for 2021 Toyota Highlander. Not checked against your VIN.
Recall 26V128000 Filed Mar 5, 2026

Second-Row Seat Backs May Fail to Lock

Seats · mid/rear assembly · recliner
Official NHTSA text
Summary
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021-2025 Highlander and Highlander Hybrid vehicles. The second-row seat backs may fail to lock into position during seat back adjustment.
Consequence
A seat back that fails to lock may not properly restrain an occupant during a crash, increasing the risk of injury.
Remedy
Dealers will replace the return springs in the seat back recliner assemblies, free of charge. Owner letters were mailed September 9, 2026. This is a phased recall. Owners may contact Toyota’s customer service at 1-800-331-4331. Toyota's numbers for this recall are 26TB06 and 26TA06.
Repair progress not yet reported686,588 vehicles potentially affected
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 26V128000
Listed for 2021 Toyota Highlander. Not checked against your VIN.
Recall 24V452000 Filed Jun 18, 2024

Tires with Insufficient Load Rating/FMVSS 110

Tires
Official NHTSA text
Summary
Southeast Toyota Distributors, LLC (SET) is recalling certain 2021-2024 Highlander vehicles. The 20-inch accessory tires with an insufficient load rating for the vehicle's Gross Axle Weight Rating (GAWR) were installed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
Consequence
Tires with an insufficient load rating can be overloaded and fail, increasing the risk of a crash.
Remedy
SET will inspect and replace the tires and information placard, as necessary free of charge. Owner notification letters were mailed August 16, 2024. Owners may contact SET's customer service at 1-866-405-4226. SET's number for this recall is SET24A.
81.7% repairedof 4,763 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 24V452000
Listed for 2021 Toyota Highlander. Not checked against your VIN.
Recall 23V865000 Filed Dec 20, 2023

OCS Sensors May Short Circuit

Air bags · sensor · occupant classification
Official NHTSA text
Summary
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450H, 2021 Sienna Hybrid, Lexus ES250, 2020-2022 Camry, Camry Hybrid, and ES300H vehicles. A short circuit may develop in the Occupant Classification System (OCS) sensor, preventing the front passenger air bag from deploying.
Consequence
An air bag that does not deploy during a crash increases the risk of injury.
Remedy
Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed in February 2024. Some final remedy owner letters were mailed October 31, 2024. Letters will continue to be mailed in phases through January 2026. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB15/23TA15 Lexus 23LB03/23LA03.
58.3% repairedof 999,901 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 23V865000
Listed for 2021 Toyota Highlander. Not checked against your VIN.
Recall 23V720000 Filed Oct 26, 2023

Front Bumper Assembly May Detach

Structure · body · bumpers
Official NHTSA text
Summary
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2023 Highlander & Highlander Hybrid vehicles. During normal vehicle operation, minor impact to the front lower bumper cover may result in the cover coming loose or detaching.
Consequence
A detached front bumper cover can become a road hazard, increasing the risk of a crash.
Remedy
Dealers will repair or replace the upper and lower front bumper covers as necessary, free of charge. Owner letters were mailed April 22, 2024. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB12/23TA12.
84.8% repairedof 750,795 vehicles
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 23V720000

PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.

Owner complaints (527)

527 complaints filed with NHTSA (owner reports, not verified findings). The power train is mentioned most often.

16involved a crash
4involved a fire
18injuries reported
0deaths reported

As reported by owners in their complaints. These are reports, not NHTSA findings.

Most-reported components

Complaints filed with NHTSA for the 2021 Toyota Highlander, by component (top 10). One complaint can list several components, so these add up to more than 527.Source: NHTSA ODI owner complaints · Retrieved Oct 6, 2026 · Report a data error

How 2021 compares with other Highlander years

Best and worst Highlander years →
2017201820192020202120222023202420252026
This year (2021)Other yearsStill collecting reports

Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.

Crash tests: 5 stars overall

Overall★★★★★
Frontal crashDriver 4★ · Passenger 4★★★★★☆
Side crashDriver 5★ · Passenger 5★★★★★★
Side pole★★★★★
RolloverRollover risk 16.9%★★★★☆
Front seat of a modern car with the seat belt buckled across the passenger seat
Compare fairly. Compare stars only between vehicles of similar size and weight. Ratings apply to the tested configuration.

Source: NHTSA 5-Star Safety Ratings (NCAP), 2021 Toyota Highlander suv fwd, retrieved Oct 6, 2026.

Fuel economy: up to 35 mpg combined

35
mpg combined
35
city
34
highway
EPA annual fuel cost
$1,900
CO₂ tailpipe
251 g/mi
EPA class
Standard Sport Utility Vehicle

What it costs you to run

$1,866per year
$156per month
429gallons a year

Miles ÷ 35 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.

EPA label estimates from lab tests; your mileage will vary.

Specs by configuration

2021 Toyota Highlander configurations with EPA data
Engine · transmissionDriveCity / Hwy / CombEPA $/yrCO₂ g/mi
2.5 L 4-cyl · AV-S6 CVTAll-Wheel Drive35 / 34 / 35$1,900251
3.5 L 6-cyl · 8-speed automaticFront-Wheel Drive21 / 29 / 24$2,800372
3.5 L 6-cyl · 8-speed automaticFront-Wheel Drive20 / 28 / 23$2,900389
3.5 L 6-cyl · 8-speed automaticAll-Wheel Drive20 / 27 / 23$2,900387

Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Used blue SUV on a sunny dealer lot with its hood open and a clipboard on the fender

Looking at a 2021 Highlander for sale?

Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.

All Highlander years

Where to next

2021 Toyota Highlander FAQ

How many recalls does the 2021 Toyota Highlander have?

NHTSA lists 4 recall campaigns: 26V128000 (seat), 24V452000 (tire), 23V865000 (air bag), 23V720000 (structure). Use NHTSA's VIN lookup to see whether a specific car was repaired.

What are the most common 2021 Toyota Highlander problems?

Owners filed 527 complaints with NHTSA. Power train (225), Unknown or other (68), Service brakes (67) are mentioned most. These are owner reports, not verified findings.

What mpg does the 2021 Toyota Highlander get?

EPA rates the 2.5 L 4-cyl · AV-S6 CVT version at 35 city, 34 highway and 35 combined mpg. Other configurations are listed in the fuel economy section.

What safety rating did the 2021 Toyota Highlander get?

NHTSA rated the 2021 Toyota Highlander suv fwd 5 stars overall, with 4 stars frontal, 5 stars side and 4 stars rollover (16.9% rollover risk).

How does the 2021 Highlander compare with other years?

Among the 2017–2021 Toyota Highlander model years at least five years old, the 2017 drew the fewest complaints (268) and the 2021 the most (527). The 2021 drew 527. Counts are owner reports, not failure rates.

How this page was madeSources, processing, limits, review and changes

Processing

  • Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
  • Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.

Limitations

  • Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
  • Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
  • Recent model years are still collecting reports.

Review

Data compiled automatically from the official files listed here.

Changelog

  • 2026-10-06 Data refreshed from the official files.
Was this report useful?Report a data error
My Garage
Save this car and we'll flag new recall campaigns next time you visit.