How much horsepower does the Lexus is300h have?
The Lexus IS 300h delivers a combined system output of about 223 horsepower (164 kW).
First introduced in 2013 as Lexus’ dedicated hybrid sedan, the IS 300h blends a 2.5-liter four-cylinder petrol engine with an electric motor to deliver a smooth, quiet drive. The figure most buyers encounter across markets is the combined power rating, which reflects the performance of the hybrid system as a whole rather than the petrol engine or motor alone.
Powertrain and performance
Key figures and components that contribute to the IS 300h's horsepower are summarized below.
- Combined output: 223 PS (164 kW)
- Engine: 2.5-liter inline-four petrol engine paired with an electric motor
- Transmission: Electronically controlled CVT (eCVT)
These elements work together to provide a balance of smooth acceleration, real-world efficiency, and refined highway performance characteristic of Lexus hybrids. The electric motor aids low-speed torque and the petrol engine sustains momentum at higher speeds, producing the overall 223 PS figure cited by most regions.
Market context and measurement standards
Power ratings are published in different units depending on the market (PS versus horsepower). The widely cited combined output for the IS 300h is 223 PS (164 kW). In SAE horsepower, which is commonly used in the United States, that figure translates to roughly 219 hp, reflecting standard conversion differences.
Notes on variation
Exact numbers can vary slightly by model year, trim, and regional labeling. Always consult the official brochure or Lexus site for your region to confirm the rated figure for your specific vehicle.
Summary
The Lexus IS 300h’s hybrid powertrain delivers a combined output of about 223 PS (164 kW), achieved by pairing a 2.5-liter petrol engine with an electric motor and an electronic CVT. This setup emphasizes smooth, efficient performance suitable for everyday driving while maintaining the refined character Lexus hybrids are known for.
