2020 Lexus GS Problems: 0 Complaints, 1 Recall

The worst 2020 Lexus GS problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Fuel system, gasoline: delivery: fuel pumpReported April 8, 2026 · 9,139 vehicles affected

What is wrong: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2022 Lexus RC, 2016-2020 GS, and 2022 IS vehicles. The low-pressure fuel pump inside the fuel tank may fail.
Risk: Fuel pump failure can cause an engine stall, increasing the risk of a crash.
Remedy: Dealers will replace the fuel pump assembly, free of charge. Owner letters were mailed October 15, 2026. Owners may contact Toyota's customer service at 1‑800‑331‑4331. Toyota's numbers for this recall are 26LB05 and 26LA05.

Recall number 26V222000 · Recall details

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

Engine	Drive	City	Highway	Combined
3.5L 6‑cyl	RWD	19	27	22
3.5L 6‑cyl	AWD	19	26	21
5.0L 8‑cyl	RWD	16	24	19

Used buying checklistWhat to check on a 2020 Lexus GS before you buy

Is the 2020 Lexus GS reliable?

Owners have filed 0 complaints about the 2020 Lexus GS.

What is the most common problem with the 2020 Lexus GS?

There are not enough complaints to tell.

How many recalls does the 2020 Lexus GS have?

1 recall, covering fuel system, gasoline.

What gas mileage does the 2020 Lexus GS get?

Official estimates for the 2020 Lexus GS range from 19 to 22 mpg combined. The most efficient version (3.5L 6-cyl, RWD) gets 19 city and 27 highway.

See the problems and recalls for an exact car

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.