What IS the last generation of Lexus IS?
The current last generation of the Lexus IS is the fourth generation, code-named XE50, which debuted for the 2021 model year and remains the latest iteration as of 2025. There has been no official fifth generation announced yet.
Understanding how generations are defined
Automotive generations are defined by a comprehensive redesign that typically includes a new platform, updated styling, and revised powertrains. For the Lexus IS, the transition from the third-generation XE30 to the fourth-generation XE50 brought a new architecture, modern tech, and a refreshed design language.
Current generation overview (XE50)
The fourth-generation IS, introduced for the 2021 model year, blends dynamic performance with premium comfort and updated technology. It marks a shift toward sharper styling and more advanced features while maintaining Lexus’ reputation for refinement.
Platform and design
Built on Lexus’ TNGA GA-L platform, the IS 2021+ emphasizes chassis rigidity, a lower center of gravity, and confident handling. It features a refreshed spindle grille, slimmer lighting, and a driver-focused cockpit.
- Platform: GA-L underpinnings shared with other Lexus models, aimed at enhanced rigidity and dynamic response.
- Body style: four-door sedan; broad styling changes reflect the new design language.
- Drivetrain options: rear-wheel drive standard with all-wheel drive available on several trims; drivetrain choices vary by market.
- Transmission: 8-speed automatic transmission across all variants.
- Infotainment and display: updated digital instrumentation and larger touchscreen options, with smartphone integration (Apple CarPlay and Android Auto) on most trims.
In sum, the fourth-generation IS brings a new architecture, sharper styling, and modern tech to a Lexus staple in the compact-luxury segment.
Powertrains and performance options
The IS lineup for the fourth generation centers on a turbocharged four-cylinder, a natural-sounding V6, and a high-performance V8 option in the U.S., all paired with an 8-speed automatic and available all-wheel drive on select models.
- IS 300: 2.0-liter inline-4 turbocharged engine, approximately 241 horsepower and 258 lb-ft of torque; available in rear-wheel drive and all-wheel drive; 8-speed automatic.
- IS 350: 3.5-liter V6, around 311 horsepower and 280 lb-ft of torque; available in rear-wheel drive and all-wheel drive; 8-speed automatic.
- IS 500: 5.0-liter V8, about 472 horsepower and 395 lb-ft of torque; rear-wheel drive standard; no factory AWD option for this model; 8-speed automatic.
These powertrains reflect Lexus’ approach to offering a balanced mix of daily usability and performance, with the IS 500 providing a higher-performance option within the same generation.
Technology, safety and features
Since its redesign, the IS has incorporated modern safety and tech features, including a contemporary infotainment experience, strong driver assists, and premium audio options. Availability varies by market and trim level.
Key tech highlights
- Safety: Lexus Safety System+ 2.5 or its regional equivalent, with features such as adaptive cruise control, lane-keeping assist, and pre-collision braking.
- Infotainment: large central display, smartphone integration, and optional premium audio (e.g., Mark Levinson) depending on market and trim.
- Connectivity: Apple CarPlay and Android Auto compatibility, with wireless options on higher trims.
These features are designed to enhance comfort, safety, and convenience for daily driving and spirited performance sessions alike.
Market presence and updates through 2025
Across major markets, the fourth-generation IS continues with incremental updates to trim levels and standard equipment. Lexus has not disclosed a fifth-generation plan as of 2025, and the model is typically refreshed mid-cycle to refresh design cues and tech.
Summary
The Lexus IS is currently in its fourth-generation XE50, launched for the 2021 model year and continuing with updates through 2025. The lineup includes IS 300, IS 350, and IS 500 variants, each offering distinct powertrains on a modern GA-L platform with updated tech and safety features. No fifth generation has been officially announced yet, keeping the current IS as the latest iteration in production.
