caryle

2018 Lexus RX maintenance schedule

The 2018 RX is part of the AL20 generation (2016-2022), sold as an SUV. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.

Service schedule

What the 2018 RX needs, and when

All 6 of these items come from Lexus's own published schedule. Manufacturer rows link to Lexus's own schedule, Independent rows to a service shop or parts retailer's published guide.

ServiceIntervalSource
Engine oil and filter10,000 mi / 1 yearManufacturer
Brake fluid30,000 mi / 3 yearsManufacturer
Engine coolant100,000 mi / 10 yearsManufacturer
Transmission fluidNo scheduled replacementManufacturer
Spark plugs (3.5 L V6)60,000 mi / 6 yearsManufacturer
EV coolant loops150,000 mi / 15 yearsManufacturer

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.

Fluids and engines

What goes in it

Powertrains in this generation

  • 3.5 L 6-cyl, 295 hp, 8-speed auto, FWD / AWD
  • 3.5 L 6-cyl hybrid, eCVT, AWD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Known problems

What 2018 RX owners run into

Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.

Front timing-cover oil leak

medium severity

80,000-130,000 mi · $1,500-$3,300 to fix

Oil seepage

Source: clublexus.com

Safety recalls

2 NHTSA recalls for the 2018 Lexus RX

From NHTSA's recall database, matched by model and year. Recall repairs are free at Lexus dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Fuel system, gasoline

NHTSA 20V682000

November 2020

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 Lexus LX570, 2017 Lexus RC200t, 2019 Lexus RC300, RC350, 2017 and 2019-2020 Lexus RX350, 2018-2020 RX350L, 2019 Lexus UX200, 2018-2019 Lexus NX300 vehicles. The low-pressure fuel pump inside the fuel tank may fail.

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' number for this recall is 20LA01.

Fuel system, gasoline

NHTSA 20V012000

January 2020

Toyota Motor Engineering & Manufacturing (Toyota) recalled certain 2018-2019 4Runner, Highlander, Camry, Land Cruiser, Sequoia, Sienna, Tacoma and Tundra, and Lexus RC 300, RC 350, GS 350, GX 460, IS 300, LC 500, LS 500, LX 570, RX 350L, and 2019 Toyota Avalon and Corolla, and certain Lexus NX 300, and ES 350 vehicles on January 13, 2020. On March 4, 2020, Toyota expanded the recall to include certain 2014-2015 Toyota 4Runner and Land Cruiser, 2018 Avalon, Corolla, 2014 FJ Cruiser, 2017 Sienna and Lexus 2018 ES 350, 2018-2019 GS 300, 2013-2014 GS350, 2014-2015 GX 460, IS 350 and LX 570, 2014 IS F, 2018-2019 IS 350, LC 500H and LS 500H, 2013-2015 LS 460, 2015 NX 200T and RC350, 2017 RC 200T and RX 350. Toyota also removed the 2018-2019 Toyota 4Runner and Land Cruiser and 2018-2019 Lexus GX 460 and LX 570 and 2019 NX300 from inclusion in this recall. On March 19, 2020, Toyota expanded the recall to include 2015 Lexus GS350 vehicles. The low-pressure fuel pump inside the fuel tank may fail.

Remedy: Toyota will notify owners, and dealers will replace the fuel pump, free of charge. The recall began May 4, 2020. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Toyota's numbers for this recall are 20TB02 and 20TA02 for Toyota vehicles and 20LB01 and 20LA01 for Lexus vehicles.

Running costs

What maintenance typically costs

A typical year of maintenance
$550

Typical US independent-shop estimates for this generation; they vary by region and condition.

Other RX model years

AL20 (2016-2022)

2016201720182019202020212022

Shopping new? The Lexus RX guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

Researched 2026-09-22. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running an RX for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2018 RX earns before you buy it.

Start your fleetBuying one for yourself

Free to start. No card, and we never sell your details to a dealer.