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2021 Lexus IS: common problems

Owners of the 2021 Lexus IS filed 2 complaints with NHTSA. The maker issued 44 service bulletins for this year. Details by component below, with sources.

Key figures

Owner complaints
2
involving a crash
1
Technical service bulletins (TSB)
44

Engines and transmissions

US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.

Drive: RWD, AWD

Components owners complain about

ComponentOwner complaintsinvolving a crashTechnical service bulletins (TSB)
Structure0022
Electrical system008
Engine002
Communication001
Engine and cooling001
Equipment001
Wheels001
Other2111

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

Comparison

By complaint count this model year ranks 1,862 of 2,102 model years in the NHTSA data (among the 11% least complained about).

On average one model year of the IS has 2 complaints (12 years in the data). This year has 2, about average.

What to check before buying

Manufacturer service bulletins

Bulletin titles as filed with NHTSA.

NHTSA lists 44 bulletins for this year; the 12 newest are shown here.

Other years of this model

Questions and answers

What are the most common problems with the 2021 Lexus IS?

There are no owner complaints in the NHTSA data for this year; the data comes from 44 manufacturer service bulletins.

How many service bulletins (TSB) were issued for the 2021 Lexus IS?

NHTSA lists 44 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2021 Lexus IS from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2021 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.