Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this antifreeze and coolant for its pre-mixed 50/50 formula that requires no dilution, making maintenance simple and stress-free. The ready-to-use convenience eliminates guesswork and is ideal for quick top-offs and routine maintenance. Reviewers strongly appreciate universal compatibility across all vehicle makes, models, and types, reducing the need to stock different formulas. Many note improved engine temperature regulation, smoother operation, and reliable protection against freezing, overheating, and corrosion. The practical packaging with secure cap, easy-pour spout, and leak-free design enhances user experience. Overall, customers express strong loyalty and confidence in this product's reliability and performance.
Customer review summary generated by AI, including incentivized reviews.The best brand ever
[This review was collected as part of a promotion.] Great Quality coolant that’s ready to use right out of the bottle . It has excellent consistency, provides reliable protection against overheating, freezing, rust, and corrosion, and keep my engine running smoothly . The instructions are simple and easy to follow, highly recommended.
From PEAK
amazing product
[This review was collected as part of a promotion.] This is the brand I always use. It works really well, easy to fill up the cat, great price & low odor. This is the only one I use and will keep using. Will continue to buy
From PEAK
coolant
[This review was collected as part of a promotion.] instructions are very easy to read and use! The durability is amazing works wonders! this product last a long time so it’s great to use any time of the year!
From PEAK
Easy to use, no mixing needed, and a great coolant option.
[This review was collected as part of a promotion.] Peak All Vehicles 50/50 Prediluted Antifreeze + Coolant is super convenient and easy to use. I like that it comes ready to pour without having to mix anything, which makes topping off coolant quick and simple. The all-vehicle compatibility is a big plus, especially if you have multiple cars and don’t want to worry about buying different formulas. The bottle design is easy to handle and pour, and I appreciate the long-lasting protection for both...
From PEAK
Good
[This review was collected as part of a promotion.] Great quality antifreeze that works with most vehicles. Easy to use , provides excellent protection against overheating and corrosion and offers long lasting performance. The 50/50 pre mixed formula is espy convenient because no mixing is required.
From PEAK
Easy and effective
[This review was collected as part of a promotion.] I'm honestly not the most car savvy person but with the prices of everything going up I wanted to try doing some maintenance myself. Every time I got in my car no matter what the weather was, the engine temperature warning light would go on. I got this antifreeze 50/50 solution but didn't know where to start. Luckily Peak has a QR code right on the bottle that links to a video explaining exactly what to do and even going through different scena...
From PEAK
As expected
[This review was collected as part of a promotion.] Product was as expected. Very easy to use. Easy open and easy pour. No strong smells, and very easy to store. Mess was minimal since it was easy to pour.
From PEAK
best coolant
[This review was collected as part of a promotion.] great antifreeze and coolant for just about any vehicle. has perfect consistancy and ingredients to keep your car safe all year around. clear instruction and easy to use
From PEAK
So far so good
[This review was collected as part of a promotion.] I haven’t had any issues with this, so far it seems to work well. Easy to use and the directions are pretty self explanatory. My ok my guidance would be to make sure this option works for your specific vehicle but other than that it seems good. No red flags were raised by my dealership either, solid product.
From PEAK
Great coolant!
[This review was collected as part of a promotion.] This coolant is super effective, long lasting, and high quality. It’s compatible with our FJ and has kept us comfortable despite the hot weather. The mouth of the bottle makes it super easy to pour in, too!
From PEAK
Ready to use coolant and reliable.
[This review was collected as part of a promotion.] I like how it is prediluted and ready to use. It takes out the guessing game on how to mix. Plenty of coolant to top off or even fill up some coolant systems. I also like on how long it lasts and not worry about coolant flushes.
From PEAK
Does exactly what I expect it to! Car runs amazing!
[This review was collected as part of a promotion.] Just topped off my jeep wrangler with it! I haven’t noticed any reason to doubt how well it works! The jeep is running like a dream in the summer heat :)
From PEAK
Easy to use good product
[This review was collected as part of a promotion.] It’s a tried and tested product with great results. I strongly recommend premixed 50/50 for ease of use and quick top off. The size is good for price.
From PEAK
Good Value
[This review was collected as part of a promotion.] I received this for free for the purposes of testing and review, and it couldn't have come at a better time since I had to replace my radiator. As far as antifreeze/ coolant, there aren't many variations, and this seems to work as well as any others I've used. The packaging is straightforward, and the instructions are clear. The price is as good or cheaper than I've seen. Ultimately, it's a good value for a standard product
From PEAK
Amazing coolant and antifreeze.
[This review was collected as part of a promotion.] This antifreeze+coolant worked flawlessly in my vehicle. It works for 10+ years or 300,000 miles which is nice to know. Everything I needed to know was on the back of the container which made putting the fluid into my car easy.
From PEAK
No excess foaming
[This review was collected as part of a promotion.] Dispensary with ease perfect for all vehicles no excess foaming sealed properly upon arrival. I highly recommend this and it works well with all vehicles types
From PEAK
Reliable engine protection, Zero hassle.
[This review was collected as part of a promotion.] This product came at the perfect time, summer in Louisiana! It was really easy to use and I appreciate the locking lid so no kids or pets get into it. The pre-mixed, ready-to-use solution make it super convenient. So far it has kept my engine temps perfect through the heat!
From PEAK
Easy to pour coolant
[This review was collected as part of a promotion.] The Peak antifreeze and coolant works very well. The cap is easy to open and this is a perfect size for my midsize SUV.  the handle and design of the packaging makes it easy to pour into your vehicle 
From PEAK
Great product for cars over all.
[This review was collected as part of a promotion.] This product has great packaging easy to open. It is a great product it does its job . I love how its already 50/50 & comes pre diluted and just easy to pour in. Great product for my car over all .
From PEAK