10 Best Antifreezes 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 395 products, scanning 3515 reviews, spending more than 36 hours of research and speaking with our test users, we think the Zerex Original Green Antifreeze/Coolant 1 GA is the one of the Best Antifreeze on the market.

Zerex Original Green Antifreeze/Coolant 1 GA – Best Overall Antifreeze

Zerex Original Green Antifreeze/Coolant 1 GA
  • Provides protection down to -34 degree fahrenheit
  • Helps prevent rust and corrosion
  • A patented organic acid corrosion inhibitor package to provide extended engine protection against rust and corrosion
  • Contains 30 - 50 ppm of denatonium benzoate as a bittering agent

Zerex DEX-COOL Organic Acid Technology Antifreeze/Coolant 1 GA

Zerex DEX-COOL Organic Acid Technology  Antifreeze/Coolant 1 GA
  • ZEREX DEX-COOL antifreeze coolant is approved by General Motors to the GM 6277M specification
  • ZEREX DEX-COOL antifreeze coolant contains no phosphates, silicates, borates, nitrates, amines and nitrites
  • Valvoline ZEREX DEX-COOL antifreeze coolant is a patented* carboxylate formulation with a service life of up to five years or 150,000 miles
  • When diluted 50% with water, ZEREX DEX-COOL protects modern engine components from winter freezing and summer boiling
  • For any product use or product technical questions call 1-800-TEAM-VAL
  • Contains 30 - 50 ppm of denatonium benzoate as a bittering agent

PEAK PRAB53-6PK Long Life Antifreeze – Premium Pick

PEAK PRAB53-6PK Long Life Antifreeze
  • Compatible for use in all automobiles and light-duty trucks
  • Yellow color will not change the current antifreeze color when used for topping-off
  • Provides 150,000 miles or 5 years of maximum protection when a complete cooling system flush and fill is performed
  • Features a phosphate-free and silicate-free formula
  • Meets ASTM D-3306 and ASTM D-4340
  • Contains bittering agent denatonium benzoate

Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA

Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use  Antifreeze/Coolant 1 GA
  • MaxLife Antifreeze is the only antifreeze to contain Alugard Plus, a special additive that allows these chemistries to work together to provide maximum protection.
  • Lubricates gaskets and seals
  • Long Life Formula
  • For all makes and models
  • Helps protect against cold weather freeze-ups and hot weather boil-overs
  • Contains 30 - 50 ppm of denatonium benzoate as a bittering agent

Death for Dinner – Best Budget Antifreeze

Death for Dinner

Genuine Ford Fluid VC-3DIL-B Orange Pre-Diluted Antifreeze/Coolant

Genuine Ford Fluid VC-3DIL-B Orange Pre-Diluted Antifreeze/Coolant
  • Orange-colored, longer-life, ethylene glycol-based antifreeze/coolant for use in gasoline and diesel engines
  • Provides year-round antifreeze, anti-boil and corrosion protection
  • Ready-to-use; no need to add water - the 50/50 mixture of coolant and treated (purified) water provides freeze protection down to -34°F (-37°C) and boiling protection up to 265°F (129°C)
  • Do not mix different colors or types of coolant in your vehicle
  • Contains a bittering agent

PEAK PXAB53 Amber 1 gal. Automotive Accessories

PEAK PXAB53 Amber 1 gal. Automotive Accessories
  • Auto & Truck Maintenance
  • Country of manufacture: United States
  • Manufacturer: PEAK

Valvoline ZEREX G-05 Antifreeze / Coolant

Valvoline ZEREX G-05 Antifreeze / Coolant
  • The formulation is designed for both gasoline and diesel engines
  • Its lower-silicate, reduced pH, phosphate free European technology protects all cooling system metals, including aluminum, from corrosion
  • ZEREX G-05 is a nitrite containing coolant designed to protect diesel engine cylinder liners from cavitation. It contains deposit control additives for protection from hard water deposits and scale
  • ZEREX G-05 contains a high quality defoamer system and will not harm hoses, plastics or original vehicle finishes
  • For any product use or product technical questions call 1-800-TEAM-VAL

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