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2021 Lexus

IS 350

Auto (S8), 6 cyl, 3.5 L

Lexus IS 350: best and worst years
2021 Lexus IS 350

Closest available photo (2023 model year); you're viewing the 2021.

2023 photoEthan LlamasCC BY-SA 4.0Wikimedia Commons

Overview

Body
Compact CarsEPA, from EPA, last updated 6/22/2026
Drivetrain
Rear-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (S8)EPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
PremiumEPA, from EPA, last updated 6/22/2026

Engine & performance

Cyl
6EPA, from EPA, last updated 6/22/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/22/2026
Start-stop system
NoEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
28 mpgEPA, from EPA, last updated 6/22/2026
MPG City
20 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
23 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$3,350EPA, from EPA, last updated 6/22/2026
CO₂
385 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
5/10EPA, from EPA, last updated 6/22/2026
Smog score
5/10
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026
SmartWay certified
No

Dimensions & capacity

Pass. Vol
90 ft³EPA, from EPA, last updated 6/22/2026
Cargo Vol
11 ft³EPA, from EPA, last updated 6/22/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Standard
Recalls
0
Owner complaints
0

Known issues manufacturer service bulletins, model year

48 service bulletins filed with NHTSA for this model year

  • Feb 14, 2023EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)LSB004319

    OBSOLETE NOTICE February 14, 2023: This bulletin is now obsolete. Please see L-SB-0007-23

  • Feb 14, 2023EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)LSB000723

    TSB: Some 2020 ? 2022 model year vehicles equipped with 17CY+ Panasonic Audio (versions less than 1226) and Navigation (versions less than 1225 or 1245 with 20 Teammate) may exhibit one or more of the following conditions: ?Navigation reset while entering a destination. ?Voice command does not recognize Starbucks. ??Unable to establish audio connection? message, and Alexa is unable to resume after Android AutoTM interruption. ?Soft buttons grayed Out during panoramic view monitor transition. ?HV

  • Dec 7, 2022EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)L-SB-0057-22

    TSB: Some 2018 ? 2022 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update, however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the expiration date of the dynamic subscription (stored in the head unit), must be checked. If t

  • Jun 27, 2022POWER TRAINLSB001522

    TSB: Some 2013 ? 2022 model year Lexus vehicles equipped with a 2WD drivetrain and the F Sport package may exhibit a clicking noise from the front wheel area during slow (parking lot) speed turns. The clicking noise that can be heard during sharp turns is a normal condition for certain vehicles originally equipped with a lightweight two-piece aluminum rotor assembly. For customers who find this objectionable, an alternative steel rotor is available. Before performing the repair in this bulletin,

  • Jun 20, 2022ENGINE AND ENGINE COOLINGLSB002121Rev1

    TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Lexus vehicles equipped with an FKS engine

  • Jun 7, 2022STRUCTURETECHNICAL INSTRU

    TECHNICAL INSTRUCTIONS.

  • May 13, 2022COMMUNICATION:MANUFACTURER TELEMATICSLTT031622

    TT: To improve guest support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center.

  • May 11, 2022ELECTRICAL SYSTEMService Campaign

    DP: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various situations, including emergencies, the driver and Safety Connect operator may not be able to hear each other?s voices during a Safety Connect call

  • and 40 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
6 yr / 70k mi
Roadside assistance
4 yr
Maintenance
1 yr / 10k mi
EV battery
10 yr / 150k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.