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2021 Lexus

IS 300 AWD

Auto (S6), 6 cyl, 3.5 L

Lexus IS 300: best and worst years
2021 Lexus IS 300 AWD
2021 photoKevautoCC BY-SA 4.0Wikimedia Commons

Overview

Body
Compact CarsEPA, from EPA, last updated 6/22/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (S6)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
26 mpgEPA, from EPA, last updated 6/22/2026
MPG City
19 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
22 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$3,500EPA, from EPA, last updated 6/22/2026
CO₂
407 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
4/10EPA, 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

Length
185 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
72 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
56 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
110 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
3,715 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
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

62 service bulletins filed with NHTSA for this model year

  • Feb 14, 2023EQUIPMENTLSB004319

    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

  • Oct 31, 2022STRUCTURE22LD02-Technical

    TI: TECHNICAL INSTRUCTIONS LIMITED SERVICE CAMPAIGN 22LD02 OPTIONAL BODY-COLORED REAR SPOILER DESIGNED FOR: CERTAIN 2021 MODEL YEAR IS 300 VEHICLES

  • Oct 31, 2022STRUCTURE22LD02

    DL: The involved vehicles were equipped with an optional body-colored rear spoiler. There is a possibility that water could leak into the trunk area of the vehicle through the holes used to fasten the spoiler onto the trunk lid. If this occurs, customers may notice water in the trunk area and some components in the vehicle could become damaged

  • Oct 31, 2022STRUCTURE22LD01-Technical

    TI: TECHNICAL INSTRUCTIONS LIMITED SERVICE CAMPAIGN 22LD01 OPTIONAL BODY-COLORED REAR SPOILER DESIGNED FOR: CERTAIN 2021 MODEL YEAR IS 300 VEHICLES

  • Oct 31, 2022STRUCTURE22LD01

    DL: The involved vehicles could be equipped with one of the 53 optional body-colored rear spoilers covered by this campaign which may allow water to leak into the trunk area of the vehicle through the holes used to fasten the spoiler onto the trunk lid. If this occurs, customers may notice water in the trunk area and some components in the vehicle could become damaged

  • Sep 28, 2022STRUCTURE22LD02_Technical

    TI: TECHNICAL INSTRUCTIONS LIMITED SERVICE CAMPAIGN 22LD02 OPTIONAL BODY-COLORED REAR SPOILER DESIGNED FOR: CERTAIN 2021 MODEL YEAR IS 300 VEHICLES

  • and 54 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.