2020 Lexus Rx350: what breaks, and at what mileage
What breaks on the 2020 Lexus Rx350
On the 2020 Lexus Rx350, the failure owners report most often is fuel pump failure, with 4 reports on file. Across every failure mode on this year, half the dated reports were filed before 2,500 miles.
What breaks on the 2020 Lexus Rx350
Owners have reported 3 named failure modes on the 2020 Lexus Rx350, and the three most-reported carry 100% of everything filed, so the trouble here is concentrated rather than scattered.
Fuel pump failure leads with 4 reports and about 0.2 per 1,000 vehicles.
Other fuel system problem follows with 3 reports, median 15,000 miles.
Stalling while driving follows with 2 reports, median 2,500 miles.
By system, the reports fall mostly into fuel (7) and engine (2).
At what mileage it happens
Too few of the reports on this year carry an odometer reading to describe the timing: 6 of them do. The mileages quoted elsewhere on this page come from the modes that have enough of them.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
How reports accumulate
Every report with an odometer reading, cumulative, from 0 to 200,000 miles. A curve that climbs early is a car with early problems, whatever its total.
- Line share of reports filed by that mileage
What happens when these parts fail
Nothing in the reports on the 2020 Lexus Rx350 mentions a crash, a fire or an injury. That is the ordinary case and it is worth stating: most defect complaints are about a car that stopped working, not one that hurt somebody.
The average severity weight across every report on this year is 4.67, where a stalled engine or a failed airbag weighs many times more than a rattling trim panel, and a figure this high means the reports are dominated by failures with safety consequences rather than annoyances. The weighting is set out in full on the methodology page.
What the top failures cost to put right, as editorial estimates for an independent US shop rather than figures from NHTSA: fuel pump failure at $600–$2,600, other fuel system problem at $300–$2,200 and stalling while driving at $300–$2,500. Dealer labour, a seized bolt or a part that is no longer made can push any of these past the top of its range.
22% of the reports on this year sit in the engine, transmission, drivetrain or cooling systems — the four where a repair bill is usually four figures.
Every reported failure mode
| Failure mode | System | Reports | With reading | 25th | Median | 75th | Per 1,000 | Typical repair | Severity |
|---|---|---|---|---|---|---|---|---|---|
| Fuel pump failure | fuel | 4 | 3 | — | 32 | — | 0.2 | $600–$2,600 | High |
| Other fuel system problem | fuel | 3 | 1 | — | 14k | — | 0.1 | $300–$2,200 | High |
| Stalling while driving | engine | 2 | 2 | — | 2k | — | 0.1 | $300–$2,500 | Critical |
Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound. Repair costs are typical independent-shop ranges for the failure, not figures from these reports.
How often, against how many were built
Scaled by an estimate of how many of these cars exist, the 2020 Lexus Rx350 draws about 0.4 per 1,000 vehicles, which puts it in the 70th percentile of complaint rates among 2020 vehicles we can rate.
That denominator is the weakest number on the page and it is fair to say so plainly. Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound.
The working figure is 23,472 vehicles. If the true number is twice that, every rate on this page is half what it says; the ranking against other 2020 vehicles, which is what the risk score uses, is far more robust than the rate itself.
Recalls on the 2020 model year
NHTSA has issued 1 recall campaign covering the 2020 Lexus Rx350, affecting an estimated 23,472 vehicles. A recall is a different kind of evidence from a complaint: it is the regulator and the manufacturer agreeing that something has to be fixed, and the fix is free for as long as the car exists.
The campaigns cover fuel system, gasoline:delivery:fuel pump. Whether the work was actually done on the car in front of you is a question only the VIN can answer, and the manufacturer or NHTSA will answer it free.
Recalls also distort complaint counts. Publicity about a campaign reminds owners that complaining is possible, so reports for a recalled component often spike after the recall rather than before it.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
1,525,742 vehicles 2020-11-04- Defect
- Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus IS350, 2018-2020 Lexus LC500, 2018 Lexus LS500, 2019 Lexus LS500h, 2018-2019…
- Consequence
- If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
- Remedy
- Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Note: This recall is an expansion of recall 20V-012. Toyota's number for this recall is 20TA02. Lexus'…
Recall work is free at a franchised dealer regardless of the car's age. Check the VIN at nhtsa.gov/recalls before assuming it was done.
Where 2020 sits in the model line
Across the 13 model years of this car that carry enough reports to score, 2013 comes out best at 64 and 2011 worst at 80.
Within the 2015–2020 generation specifically, 2018 is the strongest year at 74 and 2016 the weakest at 78.
Scores compare each year against other cars of the same model year, so a low number on an older car is a real result and not an artefact of age.
Shorter is better. Years with too few reports to score are shown without a bar rather than as a zero, because no data is not good news.
Within the 2015-2020 generation, 2018 Lexus Rx350 scores best at 74 and 2016 Lexus Rx350 worst at 78.
What this page cannot tell you
9 owner reports; fleet size estimated from this year's own recall paperwork. Every count on this page is therefore a floor: it is the number of owners who went to the trouble of filing with a federal agency, which is a small and self-selected fraction of the owners who had the fault.
Of those 9 reports, 6 carried an odometer reading, so the mileages here describe 67% of the sample rather than all of it. Owners also round: readings pile up on multiples of ten thousand, which is why this site publishes "about 90,000 miles" and not "91,438".
Named failure modes come from matching phrases in the complaint text, so a badly worded complaint can land in the wrong bucket. The effect washes out across hundreds of reports and does not wash out across five.
And nothing here predicts what one car will do. These are other people's complaints, filed years apart, on cars maintained by strangers. Read the page as a map of where this model year has previously gone wrong, then have the specific car in front of you inspected.
Questions this page answers
What are the most common problems with the 2020 Lexus Rx350?
The most-reported failures are fuel pump failure (4 reports, median 32 miles), other fuel system problem (3 reports, median 15,000 miles) and stalling while driving (2 reports, median 2,500 miles). Counts come from owner complaints filed with NHTSA, which are voluntary, so they show what owners bothered to report rather than every fault that occurred.
Which year of the Lexus Rx350 is best?
Within the 2015–2020 generation, 2018 scores best at 74 out of 100 and 2016 worst at 78. Same body, same engines, different luck.
Where this comes from. Every figure above is computed from NHTSA owner complaints and recall records for this exact make, model and year. Complaints are voluntary and self-selected, so treat counts as a floor. The methodology page writes out each formula, and the same numbers are available as JSON.
What breaks at my mileage Compare with another car
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed