Our Top 5 Best Radar Detectors Under $100

best radar detector under 100 dollars

Let’s face it; when driving especially on a highway, it’s pretty easy to over-speed without even realizing it. As a result, you may find yourself paying those hefty speeding tickets or even entering into the wrong books of the law. While laser and signal detectors might not be any law enforcement fan favorite, they do help drivers avoid speeding tickets. And you don’t even need to go for the most expensive ones to get the job done; the best radar detectors under $100 are in most cases as effective as those pricey ones although you might have to sacrifice a few features.

With so many of these speed detectors now available in the market, it can be quite difficult to identify one that best fits your needs. Luckily, if you’re are on a budget and in search for an effective detector, we’ve chosen the best radar detectors under 100 dollars 2018 to ensure that you get the biggest bang for your buck!

Top 5 Best Radar Detectors Under $100

Whistler CR75 review

Whistler CR75 is without a doubt one of the best whistler detectors under 100 dollars. The budget-friendly model comes with 360 degrees perimeter protection to ensure maximum coverage on the rear, sides, and front. What’s more, this device which is easily best radar detector for less than 100 today boasts has a decent detection range for the four bands usually used for speed measurements; Superwide Ka-band, Laser, X band, and K band. As a result, you get alerted whenever there is a law enforcement officer trying to track your speed.

The Whistler CR75 also comes with a blue backlit OLED display screen that offers different parameters. It can detect multiple signals at once although it will prioritize the most important signal- usually the one within the closest range. And while you may not be after a cool design when looking for a radar detector, you’ll find Whistler CR75 to be not only cool but also compact and portable. The functions buttons and volume controls are perfectly positioned for an easy reach while the blue lights make it appealing to the eye.

What separates it from other models is its distinct handiness especially if you have long trips to handle. Also, perhaps what you’ll love the most about this device is that it comes with the Stay Alert feature that speaks to you after a while to ensure you don’t lose awareness and stay alert while driving. Finally, the price of this build is pretty good, sitting in the $90 range.


  • A reliable detector
  • Rarely detects wrong signals
  • Incredibly lightweight


  • Lacks a thoroughly written manual

Cobra ESD7570 review

Cobra ESD7570 is another device that made it to our list of best radar detectors under $100 largely due to its cool features for its price. Offering a reliable performance and protection, this unit can detect all frequencies and signals used in Canada and the U.S. It features all that you need in a laser detector, boasting an ultra-bright data display a well as city and highway modes. Better yet, it can be suction cupped to the car windshield.

ESD7570 is one of the best cobra radar detectors under 100 featuring VG2 undetectable, Spectre I undetectable and also boasts a 360-degree detection of laser signals among other functions. If you’re also tired of using detectors that often give false alerts, then this is the model to acquire as it comes with excellent onboard technology to curb such.

Cobra also has this unparalleled ability to offer timely proximity alerts as to where the next officer is, road hazards, traffic warning system and emergency vehicles and so much more.

The standout features of ESD7570 lies in its low profile which means you can use it without worrying about getting caught.


  • Has a safety alert
  • It is specter undetectable
  • Comes with a VG-2 alert


  • Has a relatively weak signal strength

Uniden DFR5 review

This Uniden long-range radar detector is a cool, affordable option that comes with a variety of handy features. The unit offers a longer detection range that most other radar detectors under 100 dollars can’t reach. DFR5 comes with the Spectre I / IV / IV+ technology which ensures that no one tries to find your frequency.

DFR5 works with an advanced K band filter and this improves its strength to not only detect but also to alert you in case of an emergency radar system and police officers. Its easy-to-operate dot matrix display works without being affected by weather conditions.

Other features that this cheap radar detector comes with include volume knob, dim settings, mute option, setting saver, signal strength meter, and power on self-test.


  • Comes with GPS lockouts
  • K band filter doesn’t affect detection range
  • Excellent at filtering BSM’s


  • Lacks Bluetooth

Cobra XRS 9370 review

Do you need a reliable radar and laser detector to notify you of necessary checkpoints as you drive? The Cobra XRS 9370 is worth a try as one of the most affordable on this list. Produced by a respected brand, this is a compact unit that not only detects all the US bands but also does so with longer range than most models of its level.

It features the Xtreme Range Superheterodyne technology which is another way of saying that the detector has a remarkable range. XRS 9370 also comes with the LaserEye feature which gives it the ability to conduct 360-degree perimeter protection. Better yet, it boasts an adjustable City and Highway mode to enhance your driving conditions. Cobra XRS 9370 has received numerous reviews from drivers for offering early detection on any directions.


  • It’s budget-friendly.
  • Offers quality detection at such a friendly budget.


  • Some drivers have raised a concern that it can be hard to tell the difference between detection abilities of its two modes; city/highway.

Whistler XTR-265 review

Are you looking for a compact radar and laser signal that can offer a complete 360-degree protection? The Whistler XTR-265 is a cool option that comes with POP mode safety and accurate safety warning system. This model features the VG-2 technology which helps it go undetected by a majority of police radars.

Unlike most other similar models, this unit offers three city and highway modes which gives you more control over the alerts depending on the environment. This affordable radar detector also comes with a vehicle battery saver mode which ensures that the signal detector goes off when the car shuts off. You may select the quiet and auto-quiet modes and still view the visual cues and alerts.


  • Offers incredible value for your money considering the features it comes with
  • Has a vehicle battery save


  • May sometimes offer false signals



Not sure how to install your radar detector once you’ve purchased it? Check out this simple video guide;


Traffic fines can be quite hefty depending on the State in which you reside as well as the speed you’re racing at. If you want to avoid getting into such messes, buying a radar detector is a great idea. And you know what, your best unit doesn’t have to cost you a lot of money. It is our hope that our list of top 5 best radar detectors under $100 will reliably help you dodge the police officers perfectly fine.

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