What size engine is in the Lexus LS 430?
The Lexus LS 430 is powered by a 4.3-liter V8 engine (4,294 cc) from the 3UZ-FE family.
Engine size and configuration
The following items summarize the displacement, engine family, and basic configuration used in the LS 430.
- Displacement: 4.3 L (4,294 cc)
- Engine family: 3UZ-FE
- Configuration: V8, 32-valve DOHC
These figures establish the LS 430’s core engine size and layout, a naturally aspirated V8 designed for refined luxury performance.
Performance snapshot
Power delivery and torque figures associated with the 3UZ-FE V8 in the LS 430 are summarized below.
- Power: approximately 290 horsepower (216 kW)
- Torque: approximately 320 lb-ft (435 Nm)
These performance numbers helped the LS 430 balance smooth luxury driving with confident acceleration for its class.
Model years and context
The LS 430 used this 4.3-liter V8 across its production span from 2000 through 2006 in most markets, before the platform evolved to newer V8 configurations in later Lexus generations.
Summary: The Lexus LS 430’s engine is a 4.3-liter V8 (4,294 cc) in the 3UZ-FE family, delivering about 290 horsepower and 320 lb-ft of torque for a luxury sedan produced from 2000 to 2006.
