Pros

  • Provides significant savings compared to other retailers, with rebates for additional savings.
  • Conveniently comes as a reado-use 50/50 mix, eliminating the need for additional water.
  • Ideal for higileage vehicles, performing well in vehicles with extensive mileage like a 2010 Dodge Nitro with 396K miles.
  • Effective in resolving coolant issues, including sudden pressure loss and smoke from the engine.
  • Known for its reliability and lontanding reputation, making it a popular choice.
  • Good value for money, with better affordability than gas station prices.

Cons

  • The performance of this product was noted as significantly slow for some users.
  • May need to use full strength antifreeze instead of 50/50 for proper engine maintenance.
  • Draining the radiator can leave a diluted solution trapped in the engine block.
  • Poslush, antifreeze concentration can end up lower than the desired 50%, suggesting checking with a hydrometer.

Bottom Line

The PEAK 50/50 Prediluted Antifreeze and Coolant offers excellent value with its convenient pre-mixed formula and reliability, particularly for high-mileage or aging vehicles. While it does provide significant savings and effective performance, users should be aware of potential dilution issues during changes and consider verifying concentration levels. Overall, it's a trustworthy choice for maintaining engine cooling systems.

Lowest at any Popular Retailer
$11.69 at Target

Where to Buy

Prices last updated: June 28th 2025 1:36 am
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