2020 Lexus IS reliability

Is it reliable?

NHTSA's file on the 2020 Lexus IS holds 6 complaints after 7 years, a rate of 0 per year. IS years here cluster close together — the other years’ median is 0 complaints per year. NHTSA has no recalls on file for this model year.

2016 Lexus IS 350 F Sport
Photo by Ethan Llamas, resized from the original. Wikimedia Commons CC BY-SA 4.0
Complaints

6

Per year

0

Recalls

0

Years on the road

7

What owners report

The complaints owners file most often name Engine (2 of 6), then Fuel and propulsion system (2) and Powertrain (1).

Next to 2019 and 2021

The 2019 IS has 2 complaints, 0 per year, and the 2021 has 2 complaints, 0 per year. The 2020 has about the same number of complaints per year as the 2019. The 2020 has fewer complaints per year than the 2021.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2020 Lexus IS. How we count. Data as of .

Recalls (0)

No recalls on file with NHTSA for this model year.

Complaints by component (6 total)

Engine
2
Fuel and propulsion system
2
Powertrain
1
Steering
1
Suspension
1
Crash-flagged

0

Fire-flagged

0

Injury reports

0

Death reports

0

Complaints filed per year

1202452026
Excerpts from recent NHTSA complaint filings
  • "Sunroof exploded outwards while driving on the freeway. Temperature about 56degrees F, humidity 92% pressure 29.94. Unsafe, glass exploding, sharp glass"
    Unknown or other · filed 2026-09-11
  • "While I was driving, my sunroof on the top exploded. There was no rock impact, no external or internal impact. I called Lexus and they told me it’s not covered. The Lexus representative said to submit a claim with…"
    Unknown or other · filed 2026-09-11
  • "Vehicle steering wheel gets slightly stuck around 70+ mph on highway. Possible issue with the EPS, steering rack, 4 pin point connecter. Lexus isn’t able to diagnose it"
    Steering · filed 2026-04-28
  • "I am filing this updated complaint to supplement my prior complaint (NHTSA ID No. XXX, filed January 27, 2026) regarding a recurring, safety-critical engine defect in my 2020 Lexus IS300 RWD, 8AR-FTS engine. DEFECT:…"
    Powertrain, Engine, Fuel and propulsion system · filed 2026-04-18
  • "This vehicle has a recurring, safety-critical defect involving intermittent engine misfires, flashing MILs, reduced engine power, sudden loss of acceleration, and noticeable engine shaking. Despite multiple repair…"
    Engine, Fuel and propulsion system · filed 2026-01-27

NHTSA crash ratings

Version Overall Front Side Rollover
2020 Lexus IS 300 4 DR AWD 5 stars 4 stars 5 stars 5 stars
2020 Lexus IS 300 4 DR RWD 5 stars 4 stars 5 stars 5 stars
2020 Lexus IS 350 4 DR AWD 5 stars 4 stars 5 stars 5 stars
2020 Lexus IS 350 4 DR RWD 5 stars 4 stars 5 stars 5 stars

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
IS 300 2L, 4-cyl Automatic (8-speed) Rear-wheel drive 21 30 24 MPG $3300
IS 300 all-wheel drive 3.5L, 6-cyl Automatic (6-speed) All-wheel drive 18 24 21 MPG $3800
IS 350 3.5L, 6-cyl Automatic (8-speed) Rear-wheel drive 20 28 23 MPG $3450
IS 350 all-wheel drive 3.5L, 6-cyl Automatic (6-speed) All-wheel drive 19 26 21 MPG $3800

Specs and fitment

3rd generation, 2014–present
Body styles Sedan
Oil 0W-20
Tire size 205/55R16, 225/45R17, 225/40R18, 235/45R18, 235/40R19 front / 205/55R16, 225/45R17, 235/45R18, 235/40R19; staggered rears 255/35R18 (with 225/40R18 front), 265/35R19 (with 235/40R19 front) rear

Known issues for this generation

Recall 20V-012 covers certain 2018-2019 IS 300 and 2014-2015 and 2018-2019 IS 350 vehicles, plus certain 2017 IS 200t and 2014 IS F vehicles, among many other Toyota and Lexus models; the low-pressure fuel pump inside the fuel tank may fail and stall the engine while driving, and dealers replace the fuel pump. Recall 20V-682 is an expansion of 20V-012 and covers certain 2019 IS 300 and IS 350 vehicles (with 2017 IS 200t and many other Toyota and Lexus models) for the same failure mode; dealers replace the fuel pump assembly with an improved one. Recall 26V-222 covers certain 2022 IS vehicles along with 2015-2022 Lexus RC and 2016-2020 GS vehicles for low-pressure fuel pump failure; dealers replace the fuel pump assembly, and Toyota mailed interim owner letters before the final remedy was available.

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Frequently asked questions

Is the 2020 Lexus IS reliable?

NHTSA's file on the 2020 Lexus IS holds 6 complaints after 7 years, a rate of 0 per year. IS years here cluster close together — the other years’ median is 0 complaints per year. NHTSA has no recalls on file for this model year.

What are common problems with a 2020 Lexus IS?

The complaints owners file most often name Engine (2 of 6), then Fuel and propulsion system (2) and Powertrain (1).

Is the 2020 Lexus IS more reliable than the years next to it?

The 2019 IS has 2 complaints, 0 per year, and the 2021 has 2 complaints, 0 per year. The 2020 has about the same number of complaints per year as the 2019. The 2020 has fewer complaints per year than the 2021.

Has the 2020 Lexus IS been recalled?

NHTSA has no recalls on file for the 2020 Lexus IS.

How many complaints have owners filed about the 2020 Lexus IS?

Owners have filed 6 complaints about the 2020 Lexus IS with NHTSA.

What mpg does a 2020 Lexus IS get?

EPA-rated combined fuel economy for the 2020 Lexus IS is 22.3 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What generation is the 2015 Lexus IS?

3rd generation (2014-present).

Did the 2021 Lexus IS start a new generation?

No. The 2021 IS is a major facelift of the third generation (XE30), not a new platform generation.