What platform is the Lexus RZ built on?
The Lexus RZ 450e is built on Toyota's e-TNGA platform.
Beyond that, the e-TNGA architecture is a modular BEV chassis used by multiple brands to create a family of electric crossovers, including the Toyota bZ4X and Subaru Solterra.
Platform anatomy
The e-TNGA platform—short for electric Toyota New Global Architecture—is designed as a flexible, skateboard-style underpinnings that can accommodate different battery sizes, motors, and drivetrains across models and brands.
- Battery pack is mounted in the floor for a low center of gravity.
- Modular wheelbase and track allow different body styles on the same platform.
- Available configurations include single-motor front-wheel drive and dual-motor all-wheel drive.
- Shared electronics, thermal management, and software architecture streamline development and updates.
These design choices enable cross-brand BEV families, lowering costs and speeding up model refreshes, including Lexus's RZ 450e.
RZ 450e within the e-TNGA family
In practice, the RZ 450e shares the same e-TNGA skeleton with Toyota’s bZ4X and Subaru’s Solterra, but Lexus tailors its tuning, interior space, and infotainment to preserve its brand identity.
Brand alignment and tuning
Brand-specific engineering and software tuning help Lexus deliver its characteristic driving feel and premium cabin while leveraging the shared platform.
The platform also informs service networks and component compatibility across models, which can influence ownership experience for buyers of Lexus BEVs.
The following are models that rely on the e-TNGA platform across brands:
- Lexus RZ 450e
- Toyota bZ4X
- Subaru Solterra
- Future Toyota/Lexus BEV crossovers based on e-TNGA
The shared platform approach helps automakers coordinate production and service across brands as the electric-vehicle market broadens, while still allowing each nameplate to stand out through design, software, and features.
Summary
In short, the Lexus RZ 450e is built on Toyota's e-TNGA platform, a modular, shared BEV architecture used across Toyota, Lexus, and Subaru models. This strategy aims to streamline development and production while enabling distinct brand identities within a scalable electric lineup.
Is the Lexus RZ the same as the RX?
The Lexus RX is a traditional gas-powered SUV, though it also features an available hybrid powertrain for increased efficiency. Meanwhile, the Lexus RZ goes a step further, being the first-ever fully electric vehicle in the Lexus lineup.
What platform does Lexus IS use?
| Lexus IS (XE20) | |
|---|---|
| Class | Compact executive car |
| Body style | 4-door sedan 2-door coupé convertible |
| Layout | Front-engine, rear-wheel drive Front-engine, all-wheel drive |
| Platform | Toyota N platform |
Where is Lexus RZ assembled?
With this addition, the RZ now offers three grades as it continues to showcase a minimal yet refined interior and a smooth, quiet ride that's become synonymous with the Lexus brand. The 2025 RZ is built at the Motomachi Plant in Toyota City, Japan, and goes on sale later this year.
What is Lexus RZ based on?
The RZ is built on the e-TNGA platform shared with the Toyota bZ4X/Subaru Solterra, it is the first dedicated battery electric vehicle of the Lexus marque that will be sold worldwide and also the second battery electric model after the ICE-based UX 300e.
