10 Best Dexos1 Gen 3 Motor Oils: Top Rated

Looking for the best Dexos1 Gen 3 motor oils? We’ve got top picks to keep your engine running smoothly and efficiently.

Finding the right motor oil can feel overwhelming. Dexos1 Gen 3 oils deliver top-tier engine care. They’re engineered for modern engines, blending performance with protection.

Cleaner engines and longer oil life matter. These oils resist breakdown, shield turbochargers, and meet strict API standards.

Drivers love smoother starts and fewer oil changes. Trust these picks to keep your engine running like new. Ready to pick the best one for your ride? Let’s dive in.

List of Top 10 Dexos1 Gen 3 Motor Oils

Image Title Best For Price
ACDelco 10-9322 19432331 dexos1 GEN 3 Full Synthetic 0W-20 Motor Oil - For 5.3L L82/L84 & 6.2L L87 | Case of 6 Quarts ACDelco 10-9322 19432331 dexos1 GEN 3 Full Synthetic 0W-20 Motor Oil – For 5.3L L82/L84 & 6.2L L87 | Case of 6 Quarts

This ACDelco 10-9322 19432331 dexos1 GEN 3 Full Synthetic 0W-20 Motor Oil is perfect for drivers who want top engine protection and better fuel economy. It’s ideal for 5.3L L82/L84 and 6.2L L87 engines, keeping them cleaner and running smoothly.

ACDelco GM Original Equipment 10-9326 (19432319) dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil - 1 qt (Case of 12) ACDelco GM Original Equipment 10-9326 (19432319) dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil – 1 qt (Case of 12)

This motor oil is perfect for GM vehicle owners who demand factory-level protection and performance. If you drive a Chevrolet, Buick, GMC, or Cadillac—especially one still under warranty or built for precision—you need oil that meets dexos1™ Gen 3 specs. That’s exactly what this case of 12 delivers: full synthetic 0W-20 engineered by ACDelco to keep your engine clean, quiet, and running like new. It resists sludge, prevents pre-ignition issues, and works seamlessly with modern exhaust filters. Trust the oil your engine was born to use.

ACDelco GM Original Equipment 10-9329 (19432321) dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil - 1 qt. | Case of 12 ACDelco GM Original Equipment 10-9329 (19432321) dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil – 1 qt. | Case of 12

This motor oil is perfect for GM vehicle owners needing dexos1 GEN 3 performance. It’s ideal for turbocharged engines or drivers wanting long-lasting protection with oxidation resistance and clean engine performance.

ACDelco GM Original Equipment 10-9330 (19432322) dexosTM1 GEN 3 Full Synthetic 5W-30 Motor Oil - 5 qt ACDelco GM Original Equipment 10-9330 (19432322) dexosTM1 GEN 3 Full Synthetic 5W-30 Motor Oil – 5 qt

This motor oil is perfect for GM vehicle owners who want maximum engine protection and long-lasting performance. It’s ideal for drivers seeking OEM-approved quality that meets the latest energy-conserving standards and handles tough driving conditions like stop-and-go traffic.

ACDelco GM Original Equipment 10-9322 (19432331) dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil - 1 qt (Pack of 6) ACDelco GM Original Equipment 10-9322 (19432331) dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil – 1 qt (Pack of 6)

This motor oil is perfect for owners of Chevrolet, Buick, GMC, or Cadillac vehicles who want optimal engine protection and cleanliness. It resists sludge, supports turbochargers, and works with exhaust filters, making it ideal for modern and older GM engines.

Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts

This oil is perfect for drivers who want long-lasting protection and high-performance engines. It offers 6X better wear protection, sludge-fighting power, and 3X stronger viscosity stability—ideal for those who need reliable performance and 10,000-mile intervals between changes.

ACDelco GM Original Equipment 10-9330 (19432322) dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil - 5 qt Jug (Case of 3) ACDelco GM Original Equipment 10-9330 (19432322) dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil – 5 qt Jug (Case of 3)

ACDelco GM Original Equipment 10-9330 is perfect for drivers needing trusted engine care. It meets dexos1 GEN 3, API SN Plus, and ILSAC GF-6 standards, offering strong protection and fuel efficiency for modern vehicles.

Pennzoil Platinum Full Synthetic 5W-30 Motor Oil, 1 Quart Pennzoil Platinum Full Synthetic 5W-30 Motor Oil, 1 Quart

This Pennzoil Platinum Full Synthetic 5W-30 Motor Oil is perfect for drivers who want maximum engine protection and better fuel economy. It’s ideal for high-performance engines and extreme conditions, keeping your car running smoothly and powerfully.

ACDelco GM Original Equipment 10-9329 (19432321) dexos1� GEN 3 Full Synthetic 5W-30 Motor Oil - 1 qt (Pack of 12) ACDelco GM Original Equipment 10-9329 (19432321) dexos1� GEN 3 Full Synthetic 5W-30 Motor Oil – 1 qt (Pack of 12)

This ACDelco GM Original Equipment motor oil is perfect for Chevrolet, Buick, GMC, or Cadillac owners who want top engine protection. It’s designed to keep your engine clean and running smoothly, making it ideal for daily drivers.

Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT

Valvoline Advanced Full Synthetic 5W-30 is perfect for drivers who demand maximum engine protection and performance. If you want to fight wear, reduce friction, defend against deposits, and shield your engine from extreme heat—especially during cold starts—this oil delivers up to 2.5X better heat protection and 40% stronger wear defense than industry standards. Ideal for gasoline engines requiring ILSAC GF-7A, API SP/SN, or dexos1 Gen 3 certification. Keep your engine cleaner, running smoother, and lasting longer—without compromise.

Detailed Reviews

Discover the top 10 Dexos1 Gen 3 Motor Oils in this expert-curated guide. Each product is thoroughly reviewed for performance and value, ensuring you find the perfect match for your engine. Whether you prioritize protection, efficiency, or affordability, this guide has you covered. Read on to make an informed choice and keep your engine running smoothly and reliably.

1. ACDelco 10-9322 19432331 dexos1 GEN 3 Full Synthetic 0W-20 Motor Oil – For 5.3L L82/L84 & 6.2L L87 | Case of 6 Quarts

ACDelco 10-9322 19432331 dexos1 GEN 3 Full Synthetic 0W-20 Motor Oil - For 5.3L L82/L84 & 6.2L L87 | Case of 6 Quarts

ACDelco 10-9322 dexos1 GEN 3 is a full synthetic 0W-20 motor oil designed for 5.3L L82/L84 and 6.2L L87 engines. This case includes 6 quarts, offering maximum engine protection and improved performance. It’s backwards compatible with older dexos1 formulas, making it a versatile choice.

This oil resists oxidation, keeps engines cleaner, and protects turbochargers. It also meets API SP standards, ensuring fuel efficiency and cold-start protection.

Pros Cons
  • Full synthetic formula for maximum engine protection.
  • SAE 0W-20 ensures superior cold-start performance.
  • Meets API SP standards for modern engines.
  • Resists sludge and keeps engines cleaner.
  • Higher cost compared to regular oils.
  • Only compatible with GM vehicles.

Perfect For:

This ACDelco 10-9322 19432331 dexos1 GEN 3 Full Synthetic 0W-20 Motor Oil is perfect for drivers who want top engine protection and better fuel economy. It’s ideal for 5.3L L82/L84 and 6.2L L87 engines, keeping them cleaner and running smoothly.

Ready to Purchase?

2. ACDelco GM Original Equipment 10-9326 (19432319) dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil – 1 qt (Case of 12)

ACDelco GM Original Equipment 10-9326 (19432319) dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil - 1 qt (Case of 12)

Get ready for top-notch engine protection! This ACDelco GM Original Equipment Motor Oil offers amazing performance.

This is a case of 12 quarts of their dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil. It’s exactly what your engine needs!

This oil helps keep your engine clean. It also works with exhaust filters. Get yours today and drive with confidence!

Pros Cons
  • 12 quarts in one case for long-lasting engine care.
  • Backwards compatible with older engines, saves time and money.
  • Resists sludge and varnish, keeps engines cleaner.
  • Improved formula works better with exhaust filters.
  • Only available in 0W-20 viscosity
  • Sold exclusively in 12-quart cases

Perfect For:

This motor oil is perfect for GM vehicle owners who demand factory-level protection and performance. If you drive a Chevrolet, Buick, GMC, or Cadillac—especially one still under warranty or built for precision—you need oil that meets dexos1™ Gen 3 specs. That’s exactly what this case of 12 delivers: full synthetic 0W-20 engineered by ACDelco to keep your engine clean, quiet, and running like new. It resists sludge, prevents pre-ignition issues, and works seamlessly with modern exhaust filters. Trust the oil your engine was born to use.

Ready to Purchase?

3. ACDelco GM Original Equipment 10-9329 (19432321) dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil – 1 qt. | Case of 12

ACDelco GM Original Equipment 10-9329 (19432321) dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil - 1 qt. | Case of 12

ACDelco GM Original Equipment 10-9329 is a high-quality motor oil. It meets GM’s dexos1 GEN 3 standards. This oil is fully synthetic and 5W-30 viscosity.

It works with older engines too. The oil resists breakdown well. It keeps turbochargers and engines clean.

This case includes 12 quarts. It’s GM Part # 19432321. Perfect for reliable engine protection.

Pros Cons
  • Backward compatible with older dexos1, API SP, and ILSAC GF-6 standards.
  • High oxidation resistance keeps oil stable and long-lasting.
  • Protects turbochargers from wear and extreme heat damage.
  • Keeps engines clean by reducing sludge and deposits.
  • Meets latest dexos1 GEN 3 performance and efficiency standards.
  • Limited viscosity options for specific engine needs.
  • Sold in bulk only (12 quarts).
  • Higher price than conventional oils.

Perfect For:

This motor oil is perfect for GM vehicle owners needing dexos1 GEN 3 performance. It’s ideal for turbocharged engines or drivers wanting long-lasting protection with oxidation resistance and clean engine performance.

Ready to Purchase?

4. ACDelco GM Original Equipment 10-9330 (19432322) dexosTM1 GEN 3 Full Synthetic 5W-30 Motor Oil – 5 qt

ACDelco GM Original Equipment 10-9330 (19432322) dexosTM1 GEN 3 Full Synthetic 5W-30 Motor Oil - 5 qt

Protect your engine like GM designed it. This full synthetic 5W-30 meets dexos1 Gen 3 and GF-5 Plus specs, giving your vehicle the exact oil GM engineers trust. Built to guard against sludge, high-temperature deposits, and wear—even in heavy stop-and-go traffic.

It fights viscosity breakdown for longer oil life. Helps prevent low-speed pre-ignition and timing chain wear. Keeps engines cleaner under normal driving.

You get OEM-backed quality with every quart. ACDelco GM Original Equipment parts are rigorously tested and backed by General Motors. Simply the best defense for your engine’s long-term health.

Pros Cons
  • Meets energy-saving standards for modern engines.
  • Protects against sludge and varnish buildup.
  • Prevents engine wear in stop-and-go driving.
  • Long-lasting oil life for fewer changes.
  • Not fully synthetic as labeled; uses mineral-based formula.
  • May not meet latest API/ILSAC standards for modern engines.
  • Potential part number confusion with rebranded GM/OE history.

Perfect For:

This motor oil is perfect for GM vehicle owners who want maximum engine protection and long-lasting performance. It’s ideal for drivers seeking OEM-approved quality that meets the latest energy-conserving standards and handles tough driving conditions like stop-and-go traffic.

Ready to Purchase?

5. ACDelco GM Original Equipment 10-9322 (19432331) dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil – 1 qt (Pack of 6)

ACDelco GM Original Equipment 10-9322 (19432331) dexos™1 GEN 3 Full Synthetic 0W-20 Motor Oil - 1 qt (Pack of 6)

The ACDelco GM Original Equipment 10-9322 motor oil is designed to provide optimal protection for your vehicle’s engine. It helps keep your engine clean and running smoothly.

This full synthetic oil controls thermal breakdown and keeps deposits from forming. It is compatible with earlier generations of dexos1, ILSAC GF-6, and API SP. The new formula improves oxidation performance and protects turbochargers better than before.

Using this oil helps resist varnish and sludge, ensuring your engine remains clean. It also meets advanced tests for deposit and sludge performance. ACDelco parts are rigorously tested and backed by General Motors for quality assurance.

Pros Cons
  • Engine protection built to GM's exacting standards
  • Fights sludge and deposits to keep your engine clean and efficient
  • Improved turbocharger and filter compatibility for modern vehicles
  • High resistance to oil breakdown ensures long-lasting performance
  • Backwards compatible with older dexos1 and API SP engines
  • Only comes in two viscosity options.
  • Higher cost than some conventional oils.
  • Might not be ideal for older, non-GM vehicles.

Perfect For:

This motor oil is perfect for owners of Chevrolet, Buick, GMC, or Cadillac vehicles who want optimal engine protection and cleanliness. It resists sludge, supports turbochargers, and works with exhaust filters, making it ideal for modern and older GM engines.

Ready to Purchase?

6. Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts

Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts

Castrol GTX Full Synthetic 5W-30 Motor Oil offers excellent protection for your engine. It provides 6X better wear protection than standard motor oils. This means your engine parts stay safe and last longer.

The oil also has 1.3X better sludge protection compared to industry norms. It fights against viscosity breakdown three times better than many other full synthetic oils. With this motor oil, you can go up to 10,000 miles between changes.

This product meets important specifications like API SP and ILSAC GF-7. It is a great choice for maintaining your vehicle’s health.

Pros Cons
  • Stronger* oil means better protection for your car.
  • Get premium sludge protection that’s industry leading.
  • Enjoy 10,000 miles between oil changes!
  • This motor oil gives 6X wear protection for engines.
  • Meets top standards: API, ILSAC, Ford, GM.
  • Higher price than conventional oils, may not fit all budgets.
  • Not suitable for older engines, check compatibility first.
  • Overkill for low-mileage drivers, 10,000 miles may be unnecessary.

Perfect For:

This oil is perfect for drivers who want long-lasting protection and high-performance engines. It offers 6X better wear protection, sludge-fighting power, and 3X stronger viscosity stability—ideal for those who need reliable performance and 10,000-mile intervals between changes.

Ready to Purchase?

7. ACDelco GM Original Equipment 10-9330 (19432322) dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil – 5 qt Jug (Case of 3)

ACDelco GM Original Equipment 10-9330 (19432322) dexos™1 GEN 3 Full Synthetic 5W-30 Motor Oil - 5 qt Jug (Case of 3)

The ACDelco GM Original Equipment 10-9330 is a high-quality full synthetic motor oil. It comes in a case of three 5-quart jugs, ensuring you have plenty of oil for your vehicle.

This motor oil meets the latest industry standards for engine protection. It also fulfills energy-conserving performance needs. You can trust it to keep your engine running smoothly.

Designed to provide maximum protection, this oil is suitable for modern engines. It meets various specifications, including API SN Plus and ILSAC GF-6. Keep your vehicle in top shape with ACDelco’s reliable motor oil.

Pros Cons
  • Top-notch engine protection with industry-leading standards.
  • Meets GMW18144 and API SN Plus requirements.
  • Energy-efficient performance, ILSAC GF-6 certified.
  • Case of 3 jugs for convenient bulk purchase.
  • Might not be cheapest oil on the market.
  • Only works for specific engine types.
  • Bulk purchase may be too large for some.

Perfect For:

ACDelco GM Original Equipment 10-9330 is perfect for drivers needing trusted engine care. It meets dexos1 GEN 3, API SN Plus, and ILSAC GF-6 standards, offering strong protection and fuel efficiency for modern vehicles.

Ready to Purchase?

8. Pennzoil Platinum Full Synthetic 5W-30 Motor Oil, 1 Quart

Pennzoil Platinum Full Synthetic 5W-30 Motor Oil, 1 Quart

Pennzoil Platinum Full Synthetic 5W-30 Motor Oil is made from natural gas. It offers strong engine protection and a 15,000-mile protection guarantee.

This oil helps your engine run more efficiently. It boosts fuel economy and keeps pistons cleaner than industry standards. It’s ideal for modern, high-performance engines.

It flows quickly in cold weather and resists breakdown in extreme heat. It prevents power loss and meets strict specs like API SN-RC and dexos1 Gen. 3. Always check your owner’s manual for best results.

Pros Cons
  • Protects engines with full synthetic formula for maximum performance.
  • Guaranteed 15,000-mile protection for long-lasting engine health.
  • Improves fuel economy, saving you money on gas.
  • Keeps pistons cleaner than industry standards for top efficiency.
  • Premium price compared to conventional oils
  • Not ideal for older engines or specific classic models
  • Limited availability in some rural areas

Perfect For:

This Pennzoil Platinum Full Synthetic 5W-30 Motor Oil is perfect for drivers who want maximum engine protection and better fuel economy. It’s ideal for high-performance engines and extreme conditions, keeping your car running smoothly and powerfully.

Ready to Purchase?

9. ACDelco GM Original Equipment 10-9329 (19432321) dexos1� GEN 3 Full Synthetic 5W-30 Motor Oil – 1 qt (Pack of 12)

ACDelco GM Original Equipment 10-9329 (19432321) dexos1� GEN 3 Full Synthetic 5W-30 Motor Oil - 1 qt (Pack of 12)

ACDelco GM Original Equipment 10-9329 is a full synthetic 5W-30 motor oil. It comes in a pack of 12 quarts. This oil is designed for GM vehicles.

It protects engines and keeps them clean. The formula resists breakdown and sludge buildup. It works well with turbochargers and exhaust filters.

This oil meets GM’s high standards. It is tested and approved for Chevrolet, Buick, GMC, and Cadillac. Use it for optimal engine performance.

Pros Cons
  • Engine protection built by GM engineers for your GM vehicle
  • Fights sludge and deposits to keep engines clean and efficient
  • Superior oxidation resistance means longer-lasting oil performance
  • Works with older and newer engines—fully backward compatible
  • Protects turbochargers and emissions systems under tough conditions
  • Only compatible with GM vehicles (Chevrolet, Buick, GMC, Cadillac)
  • Pack of 12 quarts may be too large for some users
  • Limited to 5W-30 viscosity in this pack

Perfect For:

This ACDelco GM Original Equipment motor oil is perfect for Chevrolet, Buick, GMC, or Cadillac owners who want top engine protection. It’s designed to keep your engine clean and running smoothly, making it ideal for daily drivers.

Ready to Purchase?

10. Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT

Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT

Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil keeps your engine strong and clean. It fights the four main causes of engine breakdown. This oil is tough on wear, heat, and deposits.

It gives 40% better wear protection than standard oils. This means less friction and better fuel economy for your car. It also keeps engines 15% cleaner, so they run smoother and last longer.

This oil works great in cold weather, too. It flows well in low temperatures, protecting your engine during cold starts. It meets high industry standards, so you know it’s reliable.

Pros Cons
  • Advanced protection against engine wear, friction, heat, and deposits
  • 40% stronger wear protection boosts fuel economy and reduces friction
  • 15% better deposit defense keeps engines cleaner for longer
  • 2.5X better heat protection fights sludge and thermal breakdown
  • Excellent low-temp flow cuts cold-start wear instantly
  • Might be more costly than conventional oil.
  • Not ideal for older engines needing thicker oil.

Perfect For:

Valvoline Advanced Full Synthetic 5W-30 is perfect for drivers who demand maximum engine protection and performance. If you want to fight wear, reduce friction, defend against deposits, and shield your engine from extreme heat—especially during cold starts—this oil delivers up to 2.5X better heat protection and 40% stronger wear defense than industry standards. Ideal for gasoline engines requiring ILSAC GF-7A, API SP/SN, or dexos1 Gen 3 certification. Keep your engine cleaner, running smoother, and lasting longer—without compromise.

Ready to Purchase?

Buying Guide

Choosing the right motor oil is key to keeping your engine healthy. Dexos1 Gen 3 oils are top picks for modern engines.

Factors to Consider When Buying Dexos1 Gen 3 Motor Oils:
Engine Compatibility: Check if the oil matches your engine type. Dexos1 Gen 3 oils work best with modern GM engines.
Viscosity Grade: Pick the right viscosity (like 0W-20 or 5W-30) as recommended by your vehicle’s manual.
Synthetic vs. Conventional: Full synthetic oils offer better protection and last longer than conventional oils.
Pack Size: Choose between single quarts, packs of 6, or cases of 12 based on your needs.
Protection Features: Look for oils that resist breakdown, protect turbochargers, and keep engines clean.
Certifications: Ensure the oil meets API SP or ILSAC GF-6 standards for quality.
Brand Reputation: Trusted brands like ACDelco, Castrol, and Pennzoil offer reliable options.
Price and Value: Compare prices to find the best deal without compromising quality.

Engaging Experience:
With Dexos1 Gen 3 oils, you’ll enjoy smoother starts, longer oil life, and fewer oil changes. These oils are designed to keep your engine running like new, giving you peace of mind on the road.