Lexus LS400 Engine: Performance and Specifications

Lexus LS400 Engine Specs

The Lexus LS400 is a luxury sedan that was first introduced by Lexus, the luxury vehicle division of Toyota, in 1989. Known for its exceptional performance and reliability, the LS400 is powered by a robust and powerful engine. In this article, we will delve into the engine specifications of the Lexus LS400, including its configuration, oil specifications, and service intervals.

Engine Configuration

The engine that powers the Lexus LS400 is a 4.0-liter V8, which is renowned for its smooth and refined performance. This V8 engine is equipped with an aluminum block and cylinder heads, contributing to its lightweight design. The LS400’s engine features double overhead camshafts (DOHC) and four valves per cylinder, allowing for efficient airflow and improved combustion.

Engine Oil Specs

Proper engine oil is crucial for maintaining the performance and longevity of any vehicle’s engine, and the Lexus LS400 is no exception. The recommended engine oil for the LS400 is a fully synthetic oil with a viscosity of 5W-30. Synthetic oils offer superior protection and lubrication, especially during extreme temperatures and high-performance driving conditions.

Service Intervals

Regular maintenance is essential to keep your Lexus LS400 running smoothly. Here are the recommended service intervals for the LS400’s engine:

1. Oil Change: It is recommended to change the engine oil and oil filter every 5,000 to 7,500 miles or every six months, whichever comes first. Regular oil changes help remove contaminants and ensure proper lubrication of engine components.

2. Spark Plug Replacement: The spark plugs should be replaced every 60,000 miles or every five years. Fresh spark plugs promote efficient combustion and improve fuel economy.

3. Air Filter Replacement: The engine air filter should be replaced every 30,000 miles or every three years. A clean air filter ensures optimal airflow to the engine, improving performance and fuel efficiency.

4. Timing Belt Replacement: The timing belt should be replaced every 90,000 miles or every six years. A worn-out timing belt can lead to engine damage, so timely replacement is crucial.

5. Coolant Flush: The engine coolant should be flushed and replaced every 100,000 miles or every five years. This helps prevent overheating and maintains the engine’s optimal operating temperature.

Detailed Engine Specifications

To provide a comprehensive overview of the Lexus LS400’s engine specifications, here is a detailed chart:

In conclusion, the Lexus LS400 is equipped with a powerful and reliable 4.0-liter V8 engine. With its impressive engine specifications, proper maintenance, and adherence to service intervals, the LS400 can continue to deliver a smooth and exhilarating driving experience for years to come.