Is the 2000 Lexus rx 300 engine the same as the 2000 Toyota harrier engine?

Yes, the 2000 Lexus RX 300 and the 2000 Toyota Harrier share the same engine. Both vehicles are built on the same platform and utilize the 3.0-liter V6 engine (1MZ-FE), which provides similar performance characteristics. While there may be differences in tuning and features, the core engine design is identical.