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2023 Lexus

IS 350

Auto (S8), 6 cyl, 3.5 L

Lexus IS 350: best and worst years
2023 Lexus IS 350
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

8 service bulletins filed with NHTSA for this model year

  • Feb 9, 2023EQUIPMENTLSB003022

    TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicle?s systems and components. Any problems that are found should be corrected immediately.

  • Feb 9, 2023WHEELSLSB002922

    TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.

  • Sep 13, 2022EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUALL-SB-0041-22

    TSB: This bulletin contains the vehicle specific pre-delivery services for 2023 model year IS 300, IS 350, and IS 500 vehicles. Additionally, refer to the applicable Pre-Delivery Service (PDS) Check Sheet for services to be performed.

  • Jul 13, 2022EQUIPMENTLSB002822

    TSB: 2023 model year Lexus vehicles are equipped with driver side floor mat retaining hooks (clips) to secure the floor mat in the correct position. In addition, some models may also utilize retaining hooks (clips) for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the Installation Procedure in this bulletin to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retaining hooks (clips

  • Jul 7, 2022EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.LSB002422

    TSB: All 2023 model year Lexus vehicles are equipped with a factory-installed SiriusXM Satellite Radio, including a 90-day free customer trial. As part of the Pre-Delivery Service (PDS) process, ensure that the SiriusXM satellite radio is activated and ready for use.

  • Jul 6, 2022EQUIPMENTLSB002022

    TSB: Some 2023 model year Lexus vehicles are equipped with an eOwner?s Manual (eOM), which is installed into the head unit while the vehicle is in transit. During Pre-Delivery Service (PDS), follow the instructions contained within the Software Confirmation section of this bulletin to ensure that the software is installed correctly. If it is found that the software is not installed correctly, proceed to the Software Installation section of this bulletin. It may also be necessary to reinstall

  • Jul 1, 2022EQUIPMENTLSB001922

    TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life. As a matter of policy, Lexus does not provide battery warranty coverage for discharged and/or failed batteries due to lack of maintenance. It is the dealer?s resp

  • 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.

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.