The 10 Best Antifreezes & Coolants to Buy – September 2021 Review

Looking for the best Antifreezes & Coolants?

We did 28 hours of research and testing 26 products to create this review. We believe the best Antifreezes & Coolants doesn’t have to be the most sophisticated to be exceptional. Our product selection lives up to its promise. Many different criteria were used for this comparison to be more relevant and more precise. Now discover our comparison !

TOP 10

SaleNo. 1
Prestone Antifreeze Coolant,1 gal, 50/50
  • Antifreeze Coolant, 1 gal., 50/50 - AF2100
  • Formulated to work with All Vehicles. Works with all fluid colors; All OAT, POAT, HOAT & IAT.
  • Longer Engine Life Guarantee - 10 Years, 300,000 mile Extended life formula
  • Includes patented Prestone CorGuard technology, our best advancement in cooling system parts protection that protects against rust and corrosion of all cooling system metals, including aluminum. Protection for 300,000 miles.
  • Ready to Use formula. (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system
SaleNo. 2
Prestone AF-1420 Antifreeze/Coolant Tester
  • Easily tests for anti-freeze/anti-boil protection
  • Allows visual inspection for rust and sediment
  • Provides a quick and easy method to safely collect a sample and measure coolant concentration
  • Helps in ensuring good corrosion protection
  • Assists in preventing freeze-ups and boil-overs
  • Fit Type: Universal Fit
No. 3
PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
  • Compatible for use in all automobiles and light-duty trucks
  • Compatible for use in all automobiles and light-duty trucks
  • Features a phosphate-free and silicate-free formula
No. 4
Hot Shot's Secret 150,000 Mile 50/50 Prediluted Green Antifreeze/Coolant 1 Gallon
  • 50/50 mixed with distilled water
  • Compatible with conventional and other extended life brands
  • Pre-charged with initial Supplemental Coolant Additive
  • Green Color | Contains a bittering agent
  • Ships FREE over $25
No. 5
ACDelco GM Original Equipment 10-5027 Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal
187 Reviews
ACDelco GM Original Equipment 10-5027 Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal
  • Specially formulated for long service intervals, the coolant can last up to 5 years or 150,000 miles. (Maintenance needs vary with different uses and driving conditions. See your Owner's Manual for more information)
  • Provides effective long-term anti-corrosion support by protecting brass, cast iron, steel, solder, and copper components. Also provides superior high-temperature protection for aluminum components.
  • Non-silicate formula retains excellent heat transfer characteristics for improved water pump life
  • Long shelf life: storage-stable for 8 years
  • The backwards compatible formula can be used with conventional cooling systems and may also be used for service of all 1994-95 GM vehicles EXCEPT 1994 Cavaliers/Sunfires with 4-cylinder engines. Must be replaced every 2 years/30,000 miles whenever used in a vehicle not originally designed to use Dex-Cool
SaleNo. 6
Honda Genuine COOLANT (Type-2) (OL999-9011)
  • Extended life formulation 5 years/60,000 miles
  • Better cooling performance
  • Performance under extreme operating conditions -34º to 228ºF
  • Pre-mixed DO NOT add water
  • Contains NO silcate and borates
No. 7
PEAK OET Extended Life Blue Concentrate Antifreeze/Coolant for Asian Vehicles, 1 Gal.
  • 1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants
  • PROTECTS: Advanced formulation prevents rust & corrosion protecting all cooling system components
  • GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
  • CONCENTRATED FORMULA: Ideal for flushing, filling, or topping off your cooling system
  • DESIGNED FOR ASIAN VEHICLES: Recommended for use with Acura, Honda, Infiniti, Mitsubishi, Nissan, Subaru, and Suzuki vehicles that require a BLUE Phosphate-enhanced Organic Acid Technology (POAT) formula
No. 8
BMW 82141467704 Grey Antifreeze Coolant - 1 Gallon
  • 1 Gallon bottle
  • Never remove the radiator or expansion tank cap from a hot engine
  • Ethylene glycol-based
  • Provides protection for metals such as cast iron, steel and aluminum
  • Contains Bittering agent
SaleNo. 9
Zerex Extended Life Red Heavy Duty (HD) 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
  • Fully formulated or pre-charged to protect against liner pitting and hard water scale
  • 3 Years / 300,000 mile protection guaranteed
  • Meets the Caterpillar EC-1, Cummins 14603 & 3666286, Detroit Diesel 7SE298 & 93K217
  • Extend drain interval to 6 years, 14,000 hours, or 600,000 miles with the use of ZEREX Extended Life Extender
No. 10
Genuine 00272 SLLC2 Engine Coolant / Antifreeze
  • Single Quantity
  • No Core Charge Req.
  • Weight: 9.34lbs
  • Contains a bittering agent

Intro

Find out where you can get the best Antifreezes & Coolants! Making your choice among different Antifreezes & Coolants on the market is not always easy. It can also turn into a daunting task because of the many websites offering the same type of product. On this page, we will give you a comparison to get the best value for your money. This complete ranking provides you with a comprehensive view and allows you to pick the best Antifreezes & Coolants. You will find a broad selection of models, brands, and prices. Whether you want to save money or find out what is the best Antifreezes & Coolants for you, our comparison will help you make the right choice. To keep things practical and easy to understand, we created a Top 10 of the best Antifreezes & Coolants. You won’t have to choose your products at random anymore.. On your marks! Compare! Pick your Antifreezes & Coolants!

Our Picks

SaleNo. 1
Prestone Antifreeze Coolant,1 gal, 50/50
  • Antifreeze Coolant, 1 gal., 50/50 - AF2100
  • Formulated to work with All Vehicles. Works with all fluid colors; All OAT, POAT, HOAT & IAT.
  • Longer Engine Life Guarantee - 10 Years, 300,000 mile Extended life formula
  • Includes patented Prestone CorGuard technology, our best advancement in cooling system parts protection that protects against rust and corrosion of all cooling system metals, including aluminum. Protection for 300,000 miles.
  • Ready to Use formula. (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system
SaleNo. 2
Prestone AF-1420 Antifreeze/Coolant Tester
  • Easily tests for anti-freeze/anti-boil protection
  • Allows visual inspection for rust and sediment
  • Provides a quick and easy method to safely collect a sample and measure coolant concentration
  • Helps in ensuring good corrosion protection
  • Assists in preventing freeze-ups and boil-overs
  • Fit Type: Universal Fit
No. 3
PEAK OET Extended Life Blue 50/50 Prediluted Antifreeze/Coolant for Asian Vehicles, 1 Gal.
  • Compatible for use in all automobiles and light-duty trucks
  • Compatible for use in all automobiles and light-duty trucks
  • Features a phosphate-free and silicate-free formula

Why you should trust us?

This guide is the result of more than 10 years of experience in researching, testing, and writing about various subject. Our team members are experts in their fields. We spent 28 hours reading all the articles we could find online and all the customer reviews on various retail websites such as Amazon, Ebay, Alibaba or Flipkart. We also found many websites that provided valuable resources such as purchasing guides and detailed information on Antifreezes & Coolants. To help you make the best choice among the hundreds of products available, we decided to offer you a comparison in order to find the best value for your money. We searched different fields to find the best Antifreezes & Coolants. We also looked at the best alternatives for reasonably priced and easy to use products. After we determined our main parameters, we conducted our research and tests.These parameters separate a great product from an average one:

  • Price
  • Ease of use
  • Customer reviews
  • Quality
  • Durability

Conclusion

We hope this ranking was helpful to you in choosing the Antifreezes & Coolants that best suits you. We made it thoroughly and we will update it regularly, so that you get a real-time comparison. Our goal is to allow you to compare models and prices, to get an overview of what the market has to offer. We are here to make it easier for you and to make informed decisions. If our ranking gave you a clearer view on the different products available, feel free to let us know in the comments section. We will happily read them.

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Last update on 2021-09-17 at 10:23 / Affiliate links / Images from Amazon Product Advertising API