Head-to-head reliability

Lexus RX vs Lexus UX

How the Lexus RX and Lexus UX compare on NHTSA complaints, recalls and crash reports — and which is the lower-risk used buy.

Lexus RX635 complaints · 17 recalls
Lexus UX20 complaints · 0 recalls Fewer issues per year

Based on NHTSA owner-complaint & recall records

Which should you buy?

Lexus RX vs Lexus UX: the RX has 635 complaints over 10 years and 17 recalls, while the UX has 20 complaints over 8 years and 0 recalls. The RX reports more electrical and engine issues; the UX reports fewer but more brake-related crashes. Source: NHTSA owner complaints.

The picture

Is the Lexus RX or Lexus UX more reliable?

A plain-English read on what the NHTSA record says about living with each vehicle.

Lexus RX

The Lexus RX is a mid-size luxury SUV with a much longer sales history than the UX, and its 635 complaints over 10 years work out to about 64 per year. The most common complaint area is air bags, but many of those reports describe unintended acceleration or seat-belt reminder failures rather than air-bag defects. Electrical problems, especially 12-volt battery drain, and engine issues like turbo wastegate faults also show up. With 17 recalls and 73 crash-related complaints, a used RX needs a careful records check.

Lexus UX

The Lexus UX is a smaller luxury crossover with only 20 complaints over 8 years, or about 2.5 per year, and no recalls on record. The complaints cluster around service brakes, vehicle speed control, electrical system, and power train. Several owners describe brake failure leading to a crash, and others report stalling or unintended acceleration-like events. The low complaint count is reassuring, but the severity of the brake reports means a pre-purchase inspection is still important.

The numbers

Side-by-side NHTSA record

Lower is better in every category. The highlighted cell is the stronger result.

CategoryLexus RXLexus UX
Total complaintsAll model years combined63520 Better
Safety recallsFederal recall campaigns170 Better
Crash reportsCrash-related complaints739 Better
Complaints per yearAveraged across model years63.52.5 Better
Reported injuriesTied to owner complaints671 Better

Source: NHTSA owner complaints & recall records.

What actually goes wrong

The problems owners report

The most-complained-about systems on each vehicle — what fails, and what owners say in their own words.

Lexus RX

  1. 01AIR BAGS260
  2. 02UNKNOWN OR OTHER107
  3. 03ELECTRICAL SYSTEM83
  4. 04ENGINE51
  5. 05STRUCTURE37
What these mean
Air Bags

Owners report unintended acceleration that leads to crashes, as well as rear seat-belt reminders that fail to alert when a back-seat passenger is unbuckled. These are serious because they involve crash risk and basic safety reminders, not just cosmetic issues.

Electrical System

Multiple owners describe a 12-volt battery that drains completely or dies suddenly, sometimes within weeks of buying a new RX. This can leave you stranded and may require repeated jump-starts or dealer visits.

Engine

Some owners report a check engine light with a drive-start control warning and a turbocharger wastegate actuator stuck fault. This can affect power delivery and may be an expensive repair if the turbo system is involved.

Unknown or Other

Complaints include sudden power loss after pressing a seat cooler button and unintended acceleration in a drive-thru. These events are hard to diagnose but can be frightening because the car may not respond to the accelerator or brakes as expected.

In owners' words — AIR BAGS

“The contact owns a 2025 Lexus RX 350. The contact stated that while driving into a parking space, the vehicle suddenly experienced unintended acceleration and drove forward at a high rate of speed before crashing into the brick wall of an office building. Dur…”

“The car does not alert when a seat belt is not worn in the back seats. This feature is mentioned in the owner's manual, but the car fails to alert when a rear passenger does not buckle their seat belt. I have raised the complaint twice and proved to lexus ser…”

Lexus UX

  1. 01SERVICE BRAKES6
  2. 02VEHICLE SPEED CONTROL4
  3. 03ELECTRICAL SYSTEM3
  4. 04POWER TRAIN3
  5. 05STRUCTURE3
What these mean
Service Brakes

Owners report brakes that fail to operate when pressed, including one crash into a restaurant and another collision after a car wash. This is the most alarming UX pattern because it directly affects your ability to stop.

Vehicle Speed Control

Complaints describe unintended acceleration or unexpected vehicle behavior during parking and highway driving. These events can lead to loss of control, especially in tight spaces.

Electrical System

One owner reported that doors did not lock as expected despite the child lock being engaged, and another linked brake failure to an electrical fault. Electrical glitches can affect safety systems and door security.

Power Train

Owners report check engine lights, stalling at low speeds, and transmission-related issues on a new vehicle. Stalling in traffic is a safety concern and can be hard to reproduce for a mechanic.

In owners' words — SERVICE BRAKES

“What component or system failed or malfunctioned, and is it available for inspection upon request? My Lexus 2020 UX200's brake malfunctioned and caused a crash accident into a restaurant on February 29th. It was inspected by Lexus Liability and an independent…”

“TL* THE CONTACT OWNS A 2019 LEXUS UX250 HYBRID. THE CONTACT STATED THAT UPON EXITING A CAR WASH, THE BRAKES FAILED TO OPERATE UPON DEPRESSION WITHOUT WARNING. DUE TO FAILURE, THE CONTACT COLLIDED WITH ANOTHER VEHICLE IN FRONT OF HIM. THE AIR BAGS DID NOT DEPL…”

Official recalls

Safety recalls on record

Federal recall campaigns — the defect, the risk, and the fix. Confirm any open recall was completed before you buy.

Lexus RX — 17 recalls

Fuel System, Gasoline — Delivery — Fuel Pump
#25V028000

The defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018 Camry, 2019 Lexus NX300, and 2019 RX350L vehicles. The low-pressure fuel pump inside the fuel tank may fail.

The risk: Fuel pump failure can cause an engine stall, increasing the risk of a crash.

The fix: Dealers will replace the fuel pump assembly, free of charge. Owner notification letters were mailed March 12, 2025. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 25TA01 and 25LA01.

Back Over Prevention — Display Function
#25V744000

The defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall report for a complete list of models. A software error may cause the rearview camera to freeze or d…

The risk: A rearview camera that fails to display an image can reduce the driver's view behind the vehicle, increasing the risk of a crash.

The fix: Dealers will update the parking assist software, free of charge. Owner letters were mailed January 2, 2026. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 25TB13 and 25LB06. Subaru's nu…

Back Over Prevention — Software
#26V162000

The defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2025 Lexus NX350, NX250, 2023-2026 RX350, and 2024-2026 TX350 vehicles. The rearview camera image may not display when the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federa…

The risk: A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.

The fix: Dealers will update the rearview camera software or replace the rearview camera, as necessary, free of charge. Owner notification letters were mailed May 15, 2026. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's nu…

Steering — Linkages — Knuckle — Spindle — Arm
#26V598000

The defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2026 Lexus TX350, RX350 Hybrid, RX350, RX500 Hybrid, TX500 Hybrid, Toyota Grand Highlander, and Grand Highlander Hybrid vehicles. Due to a manufacturing error, the front steering knuckles may crack and break, which can result in…

The risk: A loss of vehicle steering control increases the risk of a crash.

The fix: Dealers will inspect and replace the front steering knuckles, as necessary, free of charge. Owner notification letters are expected to be mailed November 2, 2026. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's num…

Lexus UX

No recalls on record.

Buyer analysis

Lexus RX or Lexus UX: which should you buy?

The Lexus UX has far fewer complaints per year (about 2.5) than the RX (about 64), and the UX has no recalls on record while the RX has 17. In practice, that means the UX is less likely to send you to the dealer for recurring problems, but the UX brake complaints are severe enough that you should not skip an inspection. The RX has a broader mix of electrical, engine, and air-bag complaints that can be costly and frustrating over time.

Recommendation. If you need a larger SUV and can budget for potential electrical or engine repairs, the RX may still work for you, but check for battery drain and turbo fault history. If you prioritize fewer reported problems and a smaller footprint, the UX is the better bet, but have the brakes inspected by a trusted mechanic before you buy. In either case, ask for a complete recall and service history.

Key differences

  • The RX has 635 complaints over 10 years and 17 recalls, while the UX has 20 complaints over 8 years and 0 recalls, so the UX has a much lower reported problem rate.
  • RX owners frequently report 12-volt battery drain and unintended acceleration, while UX owners more often report brake failure and stalling.
  • The RX has 73 crash-related complaints and 67 injuries reported, compared with 9 crash-related complaints and 1 injury for the UX.
  • The RX has a long list of recall subjects including fuel pump, back-over prevention, steering, and instrument cluster, while the UX has no recalls on record.
Watch on Lexus RX
  • Check for a history of 12-volt battery drain or repeated jump-starts, especially on hybrid RX models, as owners report sudden battery death.
  • Ask whether the turbocharger wastegate actuator has been replaced or if any check engine light with a drive-start control warning has appeared.
Watch on Lexus UX
  • Test the brakes carefully at low speed and after a car wash, since owners report brake failure without warning.
  • Look for any check engine light or transmission warning, and ask if the vehicle has ever stalled at low speed or during acceleration from a stop.

Before you buy

  • Run the VIN through NHTSA to confirm all recalls for the specific RX or UX have been completed.
  • Ask for a pre-purchase inspection by an independent mechanic who specializes in hybrids if you are considering an RX hybrid or UX hybrid.
  • On the RX, have the battery and charging system tested and ask for any records of parasitic drain repairs.
  • On the UX, have the brake system inspected, including a road test that includes braking after a car wash or in wet conditions.
  • Request the full service history and look for repeated visits for the same complaint, which can signal a hard-to-fix problem.

Year by year

Which model years to avoid

Complaints per model year for both vehicles — lower is better. The spikes are the years to scrutinize.

YearLexus RXLexus UX
202690
2025242
2024591
2023661
2022422
20212814
20201544
201906
Years to scrutinize: the 2021 Lexus RX drew the most complaints (281); the 2019 Lexus UX drew the most (6). Inspect these model years especially closely.

Check the actual car

Comparing models is smart. Checking the VIN is essential.

Brand averages tell you the trend. A VIN check tells you what's wrong with the specific Lexus RX or Lexus UX in front of you — accident history, open recalls and title records.

Go deeper

Full reliability reports

Lexus RX vs Lexus UX — comparison facts
Comparison
Lexus RX vs Lexus UX
Lexus RX total complaints
635
Lexus UX total complaints
20
Lexus RX total recalls
17
Lexus UX total recalls
0
Lexus RX avg complaints/year
63.5
Lexus UX avg complaints/year
2.5
More reliable overall
Lexus UX
Lexus RX top complaint area
AIR BAGS
Lexus UX top complaint area
SERVICE BRAKES