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Uniden R3 vs. Uniden R4: Quick Take

As far as which one you should go with, here is what we recommend:

When it comes to price: The Uniden R3 is our choice. As of this writing, it retails for about $300 on Amazon. The R3 is the best radar detector in this price range and will quickly pay for itself if you avoid a ticket or two while you own it.

When it comes to features: We will opt for the Uniden R4 every time. As of this writing, it retails for about $350 on Amazon. The R4 has a few convenient features the R3 does not, including an Auto sensitivity mode, an Auto Mute Memory function, and a Memory Quota bank.
Let’s take a closer look at each radar detector.

Uniden R3: Affordable & Trustworthy

Other units are less expensive than the Uniden R3, but radar detectors are usually a “get what you pay for” type of product. The R3 is nice because it’s not nearly as spendy as the R7 or R8, the two at the top of Uniden’s radar detector lineup. And while it’s double the price of something like the Cobra RAD 480i, the R3 is also twice the radar detector in terms of reliability and accuracy. 

Trustworthiness is key when shopping for a radar detector. While no radar detector is immune to false ale...