BestCarRank
Lexus

2021 Lexus RX

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2021 Lexus RX has 87 owner complaints filed with NHTSA — that's 2.2x the segment average of 39. The most common issue is air bags problems (55% of all complaints), specifically: 1.) my suv locked up when i swerved to avoid hitting a car in front of me. 2.) my vehicle wouldn't stop and i had no control over it as it "threw me around" the highway. the only reason it stop was when it collided with another vehicle. 3.) it is sitting at the collision center right now waiting to. There is 1 recall issued for this model year.

15 crash reports 15 injuries

87

Total Complaints

1

Recalls Issued

/5

Safety Stars

2.2x

vs Segment Avg

Known Problems(top 5 of 8)

AIR BAGS

48 complaints
55%
  • 1.) My SUV locked up when I swerved to avoid hitting a car in front of me. 2.) My vehicle wouldn't stop and I had no control over it as it "threw me around" the highway. The only reason it stop was when it collided with another vehicle. 3.) It is sitting at the collision center right now waiting to
  • The contact owns a 2021 Lexus RX350. The contact received notification of NHTSA Campaign Number: 23V865000 (Air Bags) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer w
  • Multiple Models and Model Years Passenger Airbag May Not Deploy NHTSA SENSORS not working. The campaign number is 23V865 : OCS Sensors May Short Circuit An air bag that does not deploy during a crash increases the risk of injury. NHTSA Campaign Number: 23V865000 Manufacturer Toyota Motor Engineering
Typical onset: 50K miles Est. repair: $500💥 3 crashes

1.) My SUV locked up when I swerved to avoid hitting a car in front of me. 2.) My vehicle wouldn't stop and I had no control over it as it "threw me around" the highway. The only reason it stop was when it collided with another vehicle. 3.) It is sitting at the collision center right now waiting to

— NHTSA complaint filing

Recalls (1)

AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION20/12/2023

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.

Risk: An air bag that does not deploy during a crash increases the risk of injury.

Fix: 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.

Low theft risk

Low theft rates typically correlate with lower comprehensive-coverage insurance premiums.

Source: NICB Hot Wheels 2025 report + HLDI theft loss studies. Model-year ranking; not all years of this model have identical risk.

Fuel Cost Calculator for 2021 Lexus RX

Live EIA prices
Per year
$2,087
Per month
$174
Per mile
17.4¢
MPG
23
City driving (worst-case MPG)
$2,401/yr
Highway driving (best-case MPG)
$1,778/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today
Current
$4.00
5-year low
$2.78
5-year high
$5.01
Since 2021
+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2021 Lexus RX

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.
Full coverage / year
$2,136
Full coverage / month
$178
Liability only / year
$732
vs US avg
+28%
How this estimate is calculated
US base full-coverage premium$1674
× state (US)1.00x
× vehicle class (suv-luxury)1.35x
× theft risk0.90x
× safety rating1.00x
× vehicle age1.05x
= Full coverage estimate$2136

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Lexus RX Service Intervals

Oil change
10K mi / 12 mo
Tire rotation
5K mi
Brake fluid
30 months
Transmission fluid
60K mi
Engine coolant
100K mi
Spark plugs
120K mi
Cabin air filter
30K mi
Engine air filter
30K mi
Differential (AWD/4WD)
60K mi

Toyota Motor Corporation-recommended 10K interval with 0W-20 synthetic. Hybrid models use conventional service intervals; battery is 10-year warranty.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Lexus New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)
4 yr / 50K mi
Powertrain
6 yr / 70K mi
Hybrid/EV battery
10 yr / 150K mi
Corrosion (rust perforation)
6 yr / unlimited mi
Roadside assistance
4 yr / unlimited mi

Hybrid battery is now 10yr/150K miles for 2020+ hybrids

These are the terms for a new Lexus. If you're buying a used 2021 RX, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Lexus dealer for VIN-specific remaining warranty.

Estimated Repair Costs

AIR BAGS(~50K mi)
$500
OTHER(~50K mi)
$500
DRIVER ASSIST/CAMERAS(~50K mi)
$500
BODY/STRUCTURE(~50K mi)
$500
SEATS/RESTRAINTS(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 87 owner complaints for this specific year, here's what to check or ask about:

  • AIR BAGS: 1.) My SUV locked up when I swerved to avoid hitting a car in front of me. 2.) My vehicle wouldn't stop and I had no control over it as it "threw me around" the highway. The only reason it stop was when it collided with another vehicle. 3.) It is sitting at the collision center right now waiting to

    Typically appears around 50K miles. Repair cost ~$500

  • OTHER: while driving on the interstate the moon roof exploded into little glass fragments. It sound like a bomb going off. if the slider would have been open, it would have been critical for anyone sitting in the back seat There was no other cars around me or in front of me. it was day light and nothing

    Typically appears around 50K miles. Repair cost ~$500

  • DRIVER ASSIST/CAMERAS: The sole occupant driver drove into a slightly elevated driveway and stopped. The driveway is maybe 5 degree incline. The shift select lever was placed in Park and the Driver visually confirmed it was in park. Driver sat in the car for 12 seconds before exiting the vehicle with the engine running a

    Typically appears around 50K miles. Repair cost ~$500

  • BODY/STRUCTURE: The drain system failed to properly route water out of the car after heavy rain and an automatic car wash in two separate incidents. The water would leak through the sunroof along the edges and leak down into the passenger side compartment and land on the floor mats.

    Typically appears around 50K miles. Repair cost ~$500

  • RECALLS: Verify all 1 recall have been completed — free at any Lexus dealer
  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
87
Recalls
1
Fire reports
0
Crash reports
15
Injury reports
15
Segment avg
39

Check a Specific VIN

See recalls for YOUR 2021 Lexus RX