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Antifreezes for Sale: Top-picks to Buy in 2019

Last Updated: 31 Jan 2019

Best antifreeze is a liquid, usually produced on the basis of ethylene glycol, designed to maintain optimum temperature conditions of the engine. It has a freezing point lower than that of water, and its application makes it possible to use a car at temperatures below 0°C.

Currently, you can buy antifreeze for sale using various corrosion inhibitors. These chemicals prevent the destruction of metal parts of your vehicle when in contact with the mixture. Pay attention because this liquid is always needed for a car. It removes excess heat from a running engine and does not freeze during severe frosts, thus preventing the motor walls from bursting. Thanks to a special pump, antifreeze circulates through the car system. If a vehicle needs to be heated, the liquid will go through a so-called small circle – without touching radiator and helping to evenly distribute heat.

In the case when the engine is heated to a certain temperature, the big circle system is turned on, and the cooling radiator is used to circulate the coolant. The movement of it is carried out inside a cylinder block. Its walls represent the whole system. Thus, question, why it is still needed, can be answered as follows: for optimal functioning of your vehicle. Now be ready to learn what the best antifreeze is today.

CAN YOU MIX DIFFERENT TYPES OF ANTIFREEZE?

Mixing different types of antifreeze for the car is not recommended. A mixture of liquids with different additives will lead to degradation of properties, resulting in a decrease in maintenance interval. If absolutely necessary, it is better to dilute the liquid with clean distilled water.

In the worst case, various corrosion inhibitors that were never intended to be mixed are mutually neutralized, and the entire cooling system of a car will be affected, which will lead to its failure. For example, mixing a green coolant with orange will result in a gel-like mixture. The result will be clogging of cooling system channels, overheating of the water pump and failure of its bearing.

WHAT IS THE DIFFERENCE BETWEEN GREEN AND ORANGE ANTIFREEZE?

Antifreeze colors are generated entirely by the addition of a dye and are not natural colors of any chemicals or additives mixed during production. This liquid is a poison for humans, so they use bright colors. Nevertheless, there is a difference between the coolants of different colors.

Specific colors are consistent with the automotive industry. They denote chemical composition, service life and the properties of additives introduced:

  • green has a silicate additive package that totally protects all surfaces of the cooling system from corrosion;
  • orange is a new generation antifreeze on polypropylene glycol base. It is eco-friendly and guarantees a longer service life.

WHEN YOU PUT ANTIFREEZE IN YOUR CAR SHOULD YOUR CAR BE RUNNING?

It is necessary to top up antifreeze only on the cold vehicle, that is, with a cool engine and cooling system. Otherwise, you risk getting burned. As a whole, topping up the coolant is a very simple operation that any driver can cope with, but it cannot be taken lightly. The wrong choice of liquid or airlock can cause a lot of problems in the further operation of a vehicle.

WHAT ARE THE COLORS OF ANTIFREEZE?

Types of antifreeze come with pigment to distinguish them from water, first. Also, there is a common table of colors used by automakers over the years.

Green Antifreeze G11 is made from ethylene glycol. In the production of this type, they use inorganic acids (IAT) as a chemical basis. Usually, G11 contains silicate or phosphate as anti-corrosion additives. It is designed for two years or 50-60 thousand kilometers.

Orange one or G12 for VAG has a higher class of protection against corrosion and is produced by the technology of organic acids (OAT). It does not contain silicates and phosphates, which are present in the traditional green liquid. G12 is widely used in Europe and usually have a longer service life (up to 5 years or 200 thousand kilometers). Volkswagen, Audi, Skoda, Seat use their own mix of antifreeze called G12, which has a pink or purple color.

Yellow Antifreeze G5 is based on hybrid organic acid (HOAT) technology. Developed by German corporation B5 G5, G5 is positioned as a premium product for European automakers, as well as Chrysler and Ford.

TOP 6 Best Antifreeze Compared and Reviewed

1. Valvoline Zerex G-05

1. Valvoline Zerex G-05

The Valvoline Zerex G-05 is an efficient antifreeze coolant formulated for use in a wide range of vehicles. They include ATVs, passenger vehicles, trucks, heavy-duty vehicles, scooters, snowmobiles, and even marine personal craft.

Zerex is a lower-silicate, phosphate free, reduced pH, ethylene-glycol European technology based fluid that effectively protects and prevents corrosion in all cooling system metals, including aluminum.

It is safe to use in both gasoline and diesel engines. While it contains a high-quality defoamer system, there is no harm to hoses, plastics or the original finish of vehicles.

The coolant also contains nitrite and deposit control additives. They help prevent holes in diesel engine cylinder liners and hard water deposits and scale. Diluting Zerex-G with 50% water protects modern engine parts from both winter freezing, and a summer boil over.

Pros
  • Safe for both gasoline and diesel engines
  • Perfect for most vehicles
  • European technology formula
  • Contains nitrite and deposit control additives
  • High-quality defoamer system
  • Compatible with most premium coolant brands
  • Economically priced
Cons
  • Complaints about receiving an unsealed bottle
  • Price tends to fluctuate
  • Not meant for BMX X5 2006

2. CRP Automotive Pentofrost E

2. CRP Automotive Pentofrost E

The CRP Automotive Pentofrost E is an antifreeze concentrate with multiple purposes. It gives best results in water-cooled engines for year-round protection against corrosion, overheating and freezing.

Pentofrost E works as well as Pentofrost++. The only difference is that it’s more easily manufactured and uses glycerin with a glycol base. It doesn’t contain any amines, phosphorus or nitrates or harmful additives.

Pentofrost is ideal to use where G12+ is needed to protect all the cooling system’s material. It is especially recommended for use with non-ferrous metals throughout the year.

Pentofrost is available in 1 lt and 5 lt bottles. Being an antifreeze concentrate, it has to be mixed with distilled water before use. A 50/50 mix can effectively protect possible boiling over to 228 degrees F.

Pros
  • Can be used where G12+ is needed
  • Available in 2 bottle sizes
  • Recommended for use on non-ferrous materials through the year
  • Protects parts from corrosion, overheating and freezing
  • Has to be diluted with distilled water
  • 50/50 mix can prevent any possible boiling over
  • Doesn’t contain harmful additives
  • Easy to pour directly into the tank
Cons
  • May contain substances which according to the State of California, may trigger birth defects or brain devilment
  • Not meant for BMWs

3. Prestone AF2100-6PK

3. Prestone AF2100-6PK

The Prestone AF2100 antifreeze is compatible with all makes and models of cars and light duty trucks. It is also safe to use with any colored antifreeze/coolant.

This is a ready-to-use antifreeze coolant comprising of 50% of antifreeze to control temperature and corrosion, and 50% demineralized water to protect from heat transfer.

Regular use of the Prestone helps prevent corrosion and keeps the cooling system running efficiently. It also protects all the cooling system parts from extreme temperature and rust corrosion.

Pros
  • Ready-to-use antifreeze coolant
  • Compatible with all makes and models of cars and light duty trucks
  • Compatible with any colored coolant or antifreeze
  • Lasts for 5 years or 150,000 miles after filling or flushing
  • Keeps cooling system running efficiently by preventing corrosion
  • Prevents rust corrosion and temperature extremes in all metals
  • Does not void warranty
  • Works 5 times better against corrosion to keep the cooling system running efficiently
  • Best coolant for vehicles with a computer in it
Cons
  • Harmful if swallowed and with repeated or prolonged exposure
  • Should not be opened near a hot engine
  • Complaints of receiving only 5 bottles instead of 6
  • Complaints of receiving a bottle without the seal

4. MaxLife Valvoline

4. MaxLife Valvoline

Looking for a solution to the corrosion in your car engine? Why not try MaxLife Valvoline antifreeze. It is the only antifreeze containing Alugard Plus to protect against rust and corrosion.

This is a long life formula safe to use in vehicles of all makes and models. They include ATVs, motorcycles, snowmobiles, utility vehicles and even marine personal craft.

MaxLife Antifreeze is a ready-to-use product with a blend of chemicals that collectively protect against corrosion. It is also a useful blend for protection against cold and for lubricating gaskets and seals. Unlike other leading coolants, this does not use OAT chemistry that is not compatible for over 60% of vehicles.

Pros
  • Only antifreeze containing Aluguard Plus
  • Blend of chemicals that provide maximum protection to rusting and corrosion
  • Long life formula
  • Protects against the cold
  • Lubricates seals and gaskets
  • Safe for use in various vehicles of different makes and models
  • Contains high mileage additives
  • High drain interval and economically priced

5. Star Brite Star-Cool Engine Coolant

5. Star Brite Star-Cool Engine Coolant

Do you need a solution to your car’s heating problems? If yes, you needn’t look longer. Here’s Star Brite Star –Cool Engine Coolant that’s formulated to reduce operating temperatures much faster than other coolants.

This coolant is the brainchild of the world’s leading formulators of coolant additives and outperforms traditional coolants. It is also formulated to passivate metal surfaces and create a protective barrier from corrosion.

It in the process helps seal pinhole leaks and help engines generate maximum horsepower. Star Cool is the best choice for all high-performance engines as it is safe for use in water-cooled diesel and gas engines. It’s pre-mixed with de-ionized water, and ready to use.

Star Cool not only protects the vehicle from overheating but is also ideal for year-round protection from freezing. The product does not contain any ethylene glycol and meets all OEM and appropriate ASTM specs.

Pros
  • Safely protects against boil over and freezing through the year
  • Formulated to create a protective barrier from corrosion
  • Seals pinhole leaks and small cracks
  • Pre-mixed with de-ionized water and ready to use
  • Contains no ethylene glycol
  • Reduces heat faster than other coolants
  • Meets OEM appropriate ASTM specs
  • Helps engines develop maximum horsepower by reducing heat
  • Best coolant for all high-performance engines
Cons
  • Complaints of water pump blowing up with its use
  • Complaints of no difference in temperature after use

6. Zerex Original Green Coolant

6. Zerex Original Green Coolant

Like other Zerex products, this original green coolant is also a quality maintained product. It is affordably priced, and has an advantage over its exceptional quality predecessors.

The Zerex original coolant is ready to use, which means there is no need for any mixing of water to use. This, in turn, saves time because you can start using it straight from the bottle.

The patented formula includes an inhibitor package. It protects to a temperature of -34 degree Fahrenheit while maintaining energy efficiency on a regular basis.

The fact that it is pre-mixed with demineralized water means that there is no worry about any deposits in the car cooling systems. Besides, it is safe to use in a wide range of vehicles including motorcycles, motor scooters, marine-personal craft, and ATVs.

Pros
  • Prevents rust and corrosion
  • Safe to use in most vehicles
  • Long lasting, non-deteriorating coolant
  • Affordably priced
  • Premixed with demineralized water
  • Protects engine against rust and corrosion
Cons
  • Complaints of receiving 100% antifreeze, which is not ready-to-use
  • Meant for older vehicles and not all makes and models


Types Of Best Antifreeze

By the composition of anti-corrosion additives, it is possible to distinguish three types of antifreeze:

#Inorganic

Inhibitors of this type are inorganic substances: silicates, borates, phosphates, nitrates, nitrites, amines, etc. Inorganic cooling fluids include antifreeze and its modifications, as well as all formulations labeled IAT. You can buy a liquid that cools the engine with a service life of 2 years.

#Organic

Inhibitors of these compounds are classified as organic acids. The formula of carboxylate antifreeze allows you to buy a coolant that creates a protective film only in areas of corrosion with the formation of a protective layer of not more than 0.1 microns. The organic composition is designated as OAT coolants. You can buy this type of coolant with a service life of up to 5 years.

#Hybrid

The composition of this antifreeze coolant includes both inorganic (silicates or phosphates) and organic inhibitors that improve adsorption with car components. Hybrid coolant is labeled as HOAT and is characterized by a service life of up to 3 years.

Best Antifreeze Buying Guide – What To Look At?

Types of antifreeze today are available in two forms: ready-to-use and concentrated. This choice should be carried out, based on the instructions of an automotive manufacturer. You can learn about them by reading instructions in the service book.

The main criteria for selection of antifreeze, to which it is necessary to look closely, are the following:

Sufficiently high heat capacity:

  • Heat conduction;
  • Low crystallization temperature.

In addition to the main above, antifreeze should not expose the metal to corrosion and should not form foams when the power unit is in operation.

#Car Release Date

When choosing a coolant, also take into account the year of manufacture of your car. The later it left conveyor, the higher should be the class of poured fluid.

#Package

Also, you should buy antifreeze and pay attention to its packaging. According to standard, it must be transparent so that the buyer can inspect contents for any particles and sediment. A container must be completely sealed.

#Label

Pay attention to the label. A good sign if it is special. The label should be as informative as possible with the following components:

  • Company – manufacturer of antifreeze;
  • Date of manufacture;
  • Service time;
  • The main component of the liquid.

#Additives

Pay special attention to additives added to antifreeze: inhibitors are non-corrosive, non-foaming and stabilizing. If they are not present, parts of the motor system will collapse over time. Coolants must comply with ASTM (American Association for Testing Materials) and SAE (Society of Automotive Engineers).

Best Antifreeze – Final Advice

So, what’s the best antifreeze? Each of the reviewed products occupies a decent high place on today’s market of coolants, so which one to choose you should decide on your own. Based on the results we received from our research, the best choice is Zerex G-05 Antifreeze/Coolant. It is absolutely approved as the best to be used in the newest models of cars by Ford, Chrysler, and Mercedes-Benz. It is effective for diesel and gasoline engines. Thanks to Hybrid Organic Acid Technology of this antifreeze, ultimate protection against corrosion and rust is guaranteed. Thanks to the top-quality defamer system, you can be sure that hoses and plastic won’t be damaged. According to users, there was not a single problem with the water pump over the five years of utilization of this coolant.

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