Dexos 1 Gen 2 Vs Gen 3: Which is the Best for Your Car?

Published by Dustin Babich on

Dexos 1 gen 3 is an upgrade of the gen 2, with improved performance attributes and protection capabilities. Dexos 1 gen 2 vs gen 3 – what are the differences?

General motors designed the dexos oil specification to ensure maximum performance and protection for their vehicles. The latest iteration of dexos 1, gen 3, is an upgrade to the previous gen 2 version, which itself was an upgrade to the original dexos 1.

The gen 3 version is specially formulated to provide better performance, wear protection, improved fuel economy, reduced emissions levels, and compatibility with newer turbocharged engines. Dexos 1 gen 2 and gen 3 are both backward-compatible with older gm engines, but they have notable differences in their composition, with gen 3 oil having a higher viscosity index. With many options of engine oils available in the market, choosing the recommended oil type for gm vehicles can lead to increased engine life, better fuel economy, and enhanced performance.

Understanding Dexos 1 Specifications

Dexos 1 is a specification for engine oil. It provides greater efficiency and protects engines from wear and tear. Dexos 1 gen 2 and gen 3 are the two different versions of this specification. The two versions have different specifications.

Dexos 1 gen 2 has improved fuel efficiency, reduced sulfur content, and enhanced oxidation stability compared to the previous version. Dexos 1 gen 3 standard requires improved piston cleanliness and fuel economy, enhanced durability, and better sludge control. Dexos 1 gen 3 also focuses on reducing low-speed pre-ignition issues, which can cause damage to the engine.

Both gen 2 and gen 3 of dexos 1 have their unique features, and it is essential to choose the right version for your engine to ensure longevity and maximum performance.

Comparing Dexos 1 Gen 2 And Gen 3

Comparing dexos 1 gen 2 and gen 3, both specifications are specifically designed for gasoline engines. However, there are a few differences between the two. Dexos 1 gen 2 has a higher level of zinc and phosphorus while gen 3 focuses on phosphorus reduction.

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Dexos 1 gen 2 has added benefits such as better wear protection, lower oil consumption, and improved fuel economy which makes it a better choice for high performance engines. Meanwhile, dexos 1 gen 3 is more focused on environmental concerns since it reduces emissions and promotes lower oil consumption.

Choosing between the two depends on the car manufacturer’s requirements and the driver’s needs. Overall, both specifications are engineered to deliver outstanding engine performance.

Which Cars Require Dexos 1 Gen 2 Or Gen 3?

Car owners often wonder which dexos 1 version they need for their vehicles. It all comes down to the car manufacturer’s specifications. Dexos 1 gen 2 is typically recommended for general motors cars produced between 2011 and 2017. Meanwhile, dexos 1 gen 3 is intended for models made in 2018 or later.

It’s crucial to use the correct version to comply with the automaker’s warranty requirements. Not doing so can lead to engine problems, increased repair costs, and potential warranty disputes. Make sure to check your car owner’s manual or consult with a professional mechanic to determine the right version for your vehicle.

Benefits Of Using Dexos 1

Using dexos 1 gen 2 or gen 3 for your vehicle brings plenty of benefits. Improved engine performance, enhanced fuel efficiency, and extended engine life are just a few. This synthetic blend motor oil is crafted by general motors to deliver top-notch engine protection.

Dexos 1 meets strict api sn plus standards and is specifically designed to cater to the needs of modern engines. You can expect reduced emissions and cleaner engines when using this oil. Additionally, dexos 1 gen 3 has superior wear protection and stability compared to gen 2.

Choose dexos 1 for a smooth driving experience and to keep your engine running like new.

Choosing The Right Engine Oil For Your Car

Choosing the right engine oil for your car is crucial for proper vehicle maintenance. When looking for the right oil, it’s important to consider factors such as the car’s make and model, road and weather conditions, and the oil’s viscosity.

Avoid using oil that doesn’t meet your car manufacturer’s requirements or using lower quality oils, as this may cause damage to your engine over time. Always use the recommended oil type, whether it’s dexos 1 gen 2 or gen 3, and follow the recommended service intervals.

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Remember to consult the owner’s manual or a trained mechanic for more information on your engine oil needs. Making the right choice can help keep your car running smoothly and prolong its lifespan.

Frequently Asked Questions Of Dexos 1 Gen 2 Vs Gen 3

What Is The Difference Between Gen 2 And Gen 3 Dexos 1?

Gen 2 is designed for older engines while gen 3 is developed for newer, more advanced engines.

Is It Safe To Use Gen 3 Oil In Older Engines?

Yes, you can use gen 3 oil in older engines. Gen 3 is backward compatible with gen 2.

What Are The Benefits Of Using Gen 3 Dexos 1?

Gen 3 provides improved fuel economy, enhanced engine protection, and better compatibility with turbochargers.


Considering the differences between dexos 1 gen 2 and gen 3, it is apparent that significant strides have been made to improve engine performance. Dexos 1 gen 3 features the latest technology developed with extensive research to enhance protection, maintain cleanliness, and improve fuel economy.

As such, using dexos 1 gen 3 guarantees that your engine will remain in optimal condition and your vehicle will operate efficiently. However, while dexos 1 gen 3 has been introduced, using dexos 1 gen 2 is still a viable option for older engines.

Ultimately, the choice between dexos 1 gen 2 and gen 3 should be determined by the age and condition of your engine. It is always advisable to follow the manufacturer’s recommendation on which standard to use as this helps to prolong your engine’s life and maintain its peak performance.

Don’t settle for less; choose the right motor oil for your vehicle to ensure its longevity and optimal performance.

Dustin Babich

Dustin Babich

Dustin Babich

As the passionate author behind, Dustin Babich is a knowledgeable expert in all things automotive. With a deep understanding of car tools, equipment, engines, and troubleshooting techniques, Dustin Babich shares invaluable insights, practical tips, and effective solutions to empower readers in overcoming car-related challenges.


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