How To Understand 2024 Lexus ES 350 Engine the Right Way
When Lexus engineers sit down to build a luxury sedan, they are not just thinking about how the car looks or how comfortable the seats are. They are thinking about the heart of the machine — the engine. And in the case of the 2024 Lexus ES 350, they got it right in a way that very few competitors have managed to replicate. This is an engine that delivers power, smoothness, and long-term reliability in equal measure.
But owning a vehicle with a great engine is only half the story. The other half is knowing how to take care of it. Understanding what your engine does, what it needs, and how to protect it is the difference between a car that lasts 150,000 miles and one that gives you 300,000.
This guide covers everything — from the technical specs of the 2024 Lexus ES 350 engine to maintenance schedules, certified technician standards, genuine parts, service history tracking, and collision repair. Read it once and you will approach your Lexus ownership with a completely different level of confidence.
Also Read: How to Maintain Your Lexus ES 350 Houston at Service Center
Short answer About 2024 lexus es 350 engine
The 2024 Lexus ES 350 engine is a 3.5-liter naturally aspirated V6 that produces 302 horsepower and 267 lb-ft of torque. It is one of the smoothest, most refined engines available in the midsize luxury sedan segment today — and that smoothness is not accidental. Lexus chose a naturally aspirated setup deliberately, avoiding the turbo lag and artificial power delivery that many competitors rely on.
What Makes the 2024 Lexus ES 350 Engine So Special?

The 2024 Lexus ES 350 engine is a 3.5-liter V6 naturally aspirated unit that produces 302 horsepower and 267 lb-ft of torque. These numbers might look modest next to turbocharged competitors, but numbers only tell part of the story.
What they do not show is the character of this engine — the way it builds power smoothly without the turbo lag that makes so many modern cars feel jerky in daily traffic. Lexus chose the naturally aspirated route deliberately, and it shows in how effortlessly the ES 350 moves.
The engine is paired with an eight-speed automatic transmission that shifts with the kind of seamless precision that luxury car buyers expect. Whether you are pulling away from a traffic light, merging onto a highway, or cruising on an open road, the combination of the 2024 Lexus ES 350 engine and this transmission delivers a driving experience that feels genuinely refined. There is no harshness, no vibration, and no noise intrusion — just smooth, confident motion.
Fuel economy for the 2024 Lexus ES 350 engine sits at around 22 mpg city and 32 mpg highway. For a 3.5-liter V6 producing over 300 horsepower, that is genuinely impressive. It means you do not have to choose between performance and economy — this engine gives you both without apology.
Also Read: How To Fill Up a Lexus ES 350 Gas Tank Size the 2026
Complimentary Maintenance Your First Line of Defense for the 2024 Lexus ES 350 Engine

Every new Lexus comes with LexusCare, and this is one of the most practical ownership benefits you will find in the luxury car segment. LexusCare covers your first and second scheduled maintenance services completely free of charge.
These services are scheduled at 6 months or 5,000 miles and 12 months or 10,000 miles — whichever milestone comes first. For the 2024 Lexus ES 350 engine, these early services are not just routine checkups. They are critical early-life inspections that ensure the engine is breaking in correctly and that all systems are performing within specification.
A lot of new car owners underestimate how important early maintenance is. The first few thousand miles of engine life are when components are settling into their final operating positions.
Oil passages are clearing. Seals are seating. The engine is learning, in a sense, how it will operate for the rest of its life. Missing those first scheduled services — even by a few thousand miles — can compromise the long-term health of your 2024 Lexus ES 350 engine in ways that do not show up immediately but become obvious years down the road.
Bringing your vehicle in for service should not be a burden, and Lexus understands that. The complimentary LexusCare services are designed to make those first appointments easy, professional, and free of cost.
Think of it as Lexus investing in the long-term health of your engine alongside you. After the complimentary services run out, continuing at recommended intervals at a Lexus dealership keeps your engine operating at the standard it was built to deliver.
Also Read: How to Customize the Lexus ES Interior Match Your Style 2026
How Certified Lexus Technicians Protect Your 2024 Lexus ES 350 Engine
There is a meaningful difference between a technician who has worked on many different makes and models and one who has dedicated their career to understanding Lexus vehicles at the deepest possible level. Certified Lexus technicians represent the second category.
They do not just know how cars work in general — they know how the 2024 Lexus ES 350 engine works specifically. They understand its tolerances, its service requirements, and its known characteristics in a way that comes only from focused, specialized training.
To become certified, Lexus technicians must go through in-depth training programs that cover the full range of Lexus systems and then pass rigorous tests that verify their competence. This is not a casual certification.
It represents some of the highest service standards in the entire automotive industry. When your 2024 Lexus ES 350 engine is serviced by a certified technician, you are not getting someone who is guessing or referencing a generic repair manual. You are getting a craftsman who has proven they can work on your specific engine to factory standards.
The goal of every certified Lexus technician is not just to satisfy you — it is to exceed your expectations. That mindset shapes how they approach every service appointment, every diagnostic, and every repair. Your 2024 Lexus ES 350 engine deserves that level of attention, and at a Lexus dealership, that is exactly what it gets.
Also Read: How to Buy a Lexus ES for Sale Near Me 2026
Choosing the Right Oil for Your 2024 Lexus ES 350 Engine

Engine oil is the most important consumable in any vehicle, and the 2024 Lexus ES 350 engine has specific requirements that should never be ignored. Lexus recommends 0W-20 full synthetic motor oil for this engine. This specification is not arbitrary — it is based on the internal clearances of the engine, its operating temperature range, and the demands placed on the oil during both cold starts and sustained high-temperature operation.
Using the wrong viscosity oil in your 2024 Lexus ES 350 engine is one of the most common and damaging mistakes owners make. Thicker oil does not flow quickly enough during cold starts, leaving critical engine components unlubricated during the most vulnerable moments of the engine’s operation.
Thinner oil may not maintain adequate film strength at high operating temperatures. The 0W-20 specification exists because it has been proven to perform correctly across the full range of conditions this engine operates in.
Oil change intervals for the 2024 Lexus ES 350 engine are generally recommended at every 10,000 miles or 12 months when using the correct synthetic oil. The vehicle’s oil life monitoring system will also alert you when a change is needed based on your actual driving conditions.
Do not override this system or stretch oil changes beyond what is recommended. Fresh oil is cheap insurance for an engine that can last the life of the vehicle with proper care.
Also Read: How to Improve the 2022 Lexus ES 350 0-60 Acceleration
Genuine Lexus Parts and Their Role in 2024 Lexus ES 350 Engine Health
When it comes to parts, there are two categories — compatible and genuine. Compatible parts are made by third parties to approximate the specifications of the original component. Genuine Lexus Parts are precision-crafted by the same takumi craftsmen who build every Lexus vehicle from the ground up. That distinction is more significant than most owners realize.
Every Genuine Lexus Part used in your 2024 Lexus ES 350 engine is engineered to the exact fit and finish specifications of the original component it replaces. This means the tolerances are correct, the materials are appropriate.
and the part will interact with surrounding components exactly as the engineers intended. Aftermarket parts, even high-quality ones, introduce variables. They may fit well enough but perform differently under stress, wear at different rates, or affect the behavior of adjacent systems in ways that are difficult to predict.
Lexus stands behind every Genuine Part it manufactures. This warranty backing means that if a genuine part fails, Lexus takes responsibility. With aftermarket parts, that accountability disappears the moment the part is installed. For an engine as refined as the 2024 Lexus ES 350 engine, genuine parts are not a luxury — they are a protection for the investment you have already made in the vehicle.
Also Read: How to Choose the Right Lexus ES 2022 Model 2026
Service History Tracking What It Means for Your 2024 Lexus ES 350 Engine
One of the most underappreciated benefits of servicing your vehicle at a Lexus dealership is what happens to your service records afterward. Every service performed at a Lexus dealership is stored in the Lexus National Service History database. T
his database is accessible by any Lexus dealership in the United States, which means your 2024 Lexus ES 350 engine’s complete service record travels with the vehicle regardless of where you are.
The practical value of this is enormous. If you had your oil changed in Dallas and your air filter replaced in Denver, a technician in Miami can pull up your complete service record immediately. They know what has been done, when it was done, and what is coming due.
Nothing falls through the cracks. No service gets missed because someone forgot to write it down or a paper receipt was lost. The digital record exists permanently and is always accessible.
This service history also has significant resale value. When you eventually decide to sell or trade in your vehicle, a complete and verifiable Lexus dealer service history is one of the strongest signals a buyer can receive that the car has been properly maintained.
It demonstrates that the previous owner took the 2024 Lexus ES 350 engine seriously and cared for it at the highest standard. That history translates directly into higher resale value and a faster sale.
Also Read: New Lexus ES 350 for Sale: How to Find the Best Deal
Warning Signs How To Know When Your 2024 Lexus ES 350 Engine Needs Attention
The 2024 Lexus ES 350 engine is engineered for reliability but no engine is maintenance-free. Knowing the early warning signs of potential issues allows you to address problems before they become expensive or damaging. The check engine light is the most obvious signal, but it is far from the only one you should watch for.
Unusual noises are often the first indication of developing problems. A ticking sound at startup that disappears as the engine warms up may indicate low oil pressure during cold starts — a sign that your oil change is overdue or that you are running a slightly wrong viscosity.
A knocking sound under load is more serious and should be addressed immediately. Rattling from the engine bay can indicate loose heat shields or, in more serious cases, issues with the variable valve timing system that the 2024 Lexus ES 350 engine uses.
Rough idling, hesitation during acceleration, or a noticeable drop in fuel economy are all signs that the engine’s fueling or ignition systems may need attention. Spark plugs, air filters, and fuel injectors all contribute to combustion quality.
When any of these components degrade, the engine works harder to achieve the same result, which shows up as reduced economy and performance. Addressing these items at the recommended service intervals prevents these symptoms from developing in the first place.
Also Read: How to Tell if a 2021 lexus es 350 has Been in an Accident
Certified Collision Repair and Protecting the 2024 Lexus ES 350 Engine After an Accident

Accidents happen to even the most careful drivers. What matters when they do is how your vehicle is repaired afterward. A collision that damages the front end of your ES 350 can affect more than the bodywork — it can impact engine mounts, cooling systems, and the structural components that protect the 2024 Lexus ES 350 engine in a subsequent impact. This is why collision repair quality matters so deeply for luxury vehicles.
Lexus Certified Collision Centers are equipped with state-of-the-art tools and staffed by technicians who have completed the Lexus Certification Program specifically for collision repair.
They understand how the ES 350 is built, which structural components are safety-critical, and how to restore the vehicle to factory specifications — not just cosmetically but structurally and mechanically. The goal is always a result that is virtually as good as new.
Using a non-certified body shop after an accident may save money upfront but can compromise the safety and performance of your 2024 Lexus ES 350 engine and the systems that protect it. Structural repairs done incorrectly affect how the vehicle behaves in a future collision. For a vehicle you rely on daily, that is a risk not worth taking.
How To Get the Best Performance and Fuel Economy From the 2024 Lexus ES 350 Engine
Beyond maintenance, how you drive has a direct impact on what you get from your 2024 Lexus ES 350 engine. The V6 in this vehicle rewards a smooth driving style. Gradual acceleration, anticipating stops rather than braking hard at the last moment, and maintaining consistent highway speeds all contribute to better fuel economy and less mechanical stress on the engine and drivetrain.
The ES 350 offers multiple drive modes including ECO, Normal, and Sport. For everyday driving in traffic, ECO mode softens throttle response and optimizes transmission behavior for fuel efficiency.
You will not notice a performance deficit in normal city conditions, but you will notice it in your fuel bills at the end of the month. Sport mode is there when you want it — for confident highway merges or spirited driving — but it should not be your default setting if economy and engine longevity are priorities.
Always allow your 2024 Lexus ES 350 engine a brief warm-up period in very cold weather. Modern engines warm up more efficiently under light driving load than they do sitting and idling, but in extreme cold you should still give the engine a minute or two before demanding full performance from it. This simple habit protects the engine during the period when oil viscosity is still recovering from the cold and lubrication is most critical.
MY Final Thoughts:
The 2024 Lexus ES 350 engine is one of the finest naturally aspirated V6 units in the luxury sedan segment. It is smooth, powerful, efficient, and built to last. But it will only deliver on that potential if you give it the attention it deserves.
That means using the right oil, following the recommended service intervals, relying on certified technicians, choosing genuine parts, and taking advantage of every resource Lexus has built to support your ownership experience.
The complimentary Lexus Care services are your starting point. The Lexus National Service History database is your long-term protection. Certified technicians are your guarantee of quality. Genuine Lexus Parts are your assurance of fit and performance. And the Lexus Certified Collision Centers are your safety net when the unexpected happens.
Owning a Lexus ES 350 is not just a purchase — it is a relationship with a vehicle that has been engineered to give you decades of excellent service if you treat it right. Start with the right habits, follow the guidance in this article, and your 2024 Lexus ES 350 engine will reward you with performance, reliability, and satisfaction for as long as you choose to drive it.
FAQs
What is the service interval for a Lexus ES 350?
Follow the Lexus ES 350 service schedule with a 5,000 mile interval or six month maintenance for routine vehicle service, preventive maintenance, engine performance check and long term reliability.
What is the maintenance required soon on a Lexus ES 350?
Lexus Maintenance Required light signals oil change, tire rotation, or routine vehicle maintenance every 3,500 to 5,000 miles. Follow factory recommended service at Rallye Lexus for proper care.
Do I really need to service my Lexus every 5000 miles?
Lexus recommended service every 5,000 miles or six months at a Lexus service center with certified technicians ensures routine vehicle inspection, strong acceleration performance, and fuel economy efficiency.
Does a new Lexus come with free maintenance?
Every new Lexus comes with LexusCare, which includes complimentary first and second scheduled maintenance services. These services are provided at 6 months/5,000 miles and 12 months/10,000 miles, whichever comes first.
Should I go to the Lexus dealership for maintenance?
Lexus recommends that routine maintenance and vehicle services be completed at an authorized Lexus dealership as Lexus does not warrant the work completed at third party facilities.

I’m Fiza Ansari, a Lexus specialist with 2+ years of experience helping drivers find their perfect luxury vehicle. From the sporty RC F to the elegant ES sedan and family-friendly RX—I know each model thoroughly. My expertise covers performance features, ownership costs, leasing options, and certified pre-owned benefits. Whether you’re a first-time luxury buyer or upgrading to an F Sport model, I provide honest guidance to help you make the right choice for your lifestyle and budget.
