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Best Auto under $40035

1. Kiwi 3 Wireless OBD2 Reader

#1 in Best Auto under $400 of 35 products

Your car is essentially a large computer storing loads of data—data that isn’t always readily accessible. Kiwi 3 helps you gain insight into all of that information...  Read More

2. HUDWAY Glass V 2.0

#2 in Best Auto under $400 of 35 products

Distractions while driving are all too common. Whether it’s sipping coffee, changing the radio, reaching for the glove box, or something else, every lapse in...  Read More

3. Honest Wash Foam Cannon Car Wash Kit

#3 in Best Auto under $400 of 35 products

Keep your car spotless and squeaky clean with this eight-piece car wash kit from Honest Wash. Packed with a Sudsy Jr.  Read More

4. Nature Power Jump Starter & USB Charger

#4 in Best Auto under $400 of 35 products

"Love this product. Highly recommend it to everyone...."  Read More

5. Ztylus Stinger Car-Vent Phone Mount/Emergency Tool

#5 in Best Auto under $400 of 35 products

"Great product! Exactly as marketed. great buy!"  Read More

6. Papago Tire Pressure Monitoring System

#6 in Best Auto under $400 of 35 products

"Fantastic product. I installed in under 10 min, and it works beautifully. Just one thing to consider: every time you start the car, you have to wait around 2-3 minutes..."  Read More

7. AUSDOM A261 Dash Cam

#7 in Best Auto under $400 of 35 products

"Descent dashcam for the money. Been using it for more the 3.5 years. I am from India, where temperature in summer can reach upto 45C. This dashcam is very reliable...."  Read More

8. Nature Power Solar Panel Battery Maintainer 2-Pack

#8 in Best Auto under $400 of 35 products

With the Nature Power Solar Power Battery Maintainer, you can turn the sun’s energy into a fuel bank for your car, boat, SUV, tractor, or anything else with a 12-volt...  Read More

9. BTI Battery Guard

#9 in Best Auto under $400 of 35 products

Getting stuck with a dead battery can be frustrating. The BTI battery guard turns your phone into a voltmeter, allowing you to monitor your vehicle battery level over...  Read More

10. Jumpplus Portable V8 Car Jump-Starter

#10 in Best Auto under $400 of 35 products

Having to jump your car is never fun, and often requires help from another vehicle. With the Jumpplus, you can do it all by yourself quickly and easily.  Read More

11. Viper LCD 2-Way Security + Remote Start System

#11 in Best Auto under $400 of 35 products

Capable of remotely arming and disarming your vehicle’s security system, popping the trunk, and starting your car, this Viper two-way security system gives you more...  Read More

12. Papago S10D Air Purifier

#12 in Best Auto under $400 of 35 products

Breathe clean air anywhere with the Papago S10D Air Purifier. Using SHARP’s second-generation dust detector, which releases positive and negative ions into the...  Read More

13. SM-AFR Wideband DM-6 Gauge Combo (Gen4)

#13 in Best Auto under $400 of 35 products

Since being founded in 2003, PLX widebands has helped tune engines worldwide to run more cleanly, efficiently, and powerfully. This fourth generation combo kit is a...  Read More

14. ChipoloPlus Key Tracker (2-Pack)

#14 in Best Auto under $400 of 35 products

Can’t find your keys at home? Forget them at a friend’s house?  Read More

15. Sony Touch Screen DVD Receiver w/ Bluetooth

#15 in Best Auto under $400 of 35 products

With this Sony Touch Screen Receiver, you can forget about getting distracted on your phone at the wheel. Compatible with Apple Carplay and Android Auto, the receiver...  Read More

16. Viper Color OLED 2-Way Security+Remote Start System

#16 in Best Auto under $400 of 35 products

Viper's most advanced 2-Way vehicle security and remote start system. The newly improved color remote allows you to lock, unlock, start, and control certain features...  Read More

17. Escort Passport X70 Laser Radar Detector

#17 in Best Auto under $400 of 35 products

"Great deal and good product"  Read More

18. BlackVue Power Magic Battery Pack

#18 in Best Auto under $400 of 35 products

Preserve your vehicle’s battery and keep your car protected with the Power Magic battery pack from BlackVue. When you park your car, your dash cam switches to parking...  Read More

19. Sony XAV-AX5000 7" Multimedia Receiver w/ Bluetooth

#19 in Best Auto under $400 of 35 products

With a responsive touch screen that wakes up more than twice as fast as previous models, dual USB ports, and compatibility with tons of different media, this Sony...  Read More

20. Nature Power Pure Sine Wave Inverter

#20 in Best Auto under $400 of 35 products

The Nature Power Pure Sine Wave Inverter converts battery power to 120V household AC power. This compact device houses an AC charger for charging laptops, fans, power...  Read More

21. Viper LCD 2-Way Security & Remote Start System

#21 in Best Auto under $400 of 35 products

Start your engine from a quarter-mile away with this Viper security and remote start system. It comes with a four-button LCD remote and several features, including...  Read More

22. Cobra iRad Radar Detector

#22 in Best Auto under $400 of 35 products

Combining reliable long-range radar detection and real-time data, the Cobra iRad radar detector gives you confidence at the wheel. Capable of detecting all the most...  Read More

23. Bazooka 24-Inch Bluetooth Off-Road Sound Bar

#23 in Best Auto under $400 of 35 products

Mount the Bazooka to your truck, ATV, or SUV and you can take your tunes with you wherever you roll. Delivering a whopping 450 watts of total power across 10 different...  Read More

24. Escort Solo S4 Cordless Radar Detector

#24 in Best Auto under $400 of 35 products

The Escort Solo S4 delivers unmatched long-range protection and convenience. Easy to operate, it features wide coverage of bands like X, K, Ka, Laser, and more.  Read More

25. Radenso XP Radar Detector

#25 in Best Auto under $400 of 35 products

Offering best-in-class sensitivity and miles of range, the Radenso XP radar detector is a wonderful companion in your car for long drives, commutes, and trips to the...  Read More

26. ChargeHub V6 Shareable USB Car Charger

#26 in Best Auto under $400 of 35 products

The ultimate road trip companion, the ChargeHub V6 multiplies the power of your typical cigarette port by six. The main portion has two USB ports.  Read More

27. Honest Wash Tire Care Kit

#27 in Best Auto under $400 of 35 products

Simple and effective: that’s the Honest Wash motto. That’s why they provide premium products that serve a specific purpose, at accessible prices—from weekend washers...  Read More

28. Pioneer FXT-X7269BT Package with 4 Speakers

#28 in Best Auto under $400 of 35 products

Turn your car stereo into a full-blown entertainment system with the Pioneer FXT-X7269BT. Featuring four speakers and a whopping 430 watts of total output, they’ll...  Read More

29. Geko PanicSafe

#29 in Best Auto under $400 of 35 products

Accidents happen all the time. That’s why it’s key to be prepared for one in the off-chance it happens to you.  Read More

30. PLX SM-AFR Wideband + MultiGauge Link Combo

#30 in Best Auto under $400 of 35 products

With this handy combo, you can monitor your wideband air fuel ratio from your smartphone, which gives you a larger screen, more customization, software upgradability,...  Read More

31. Prosport Evo Electrical Boost Gauge

#31 in Best Auto under $400 of 35 products

If you’ve got a forced induction engine (turbo or supercharger), then it’s important to keep tabs on how it’s performing. This electrical boost gauge does a digital...  Read More

32. Escort X80 Radar Detector

#32 in Best Auto under $400 of 35 products

With a bright OLED color display and graphics and icons that allow you to identify incoming threats at a glance, the Escort X80 is one of the most intuitive radar...  Read More

33. Escort IX Radar Detector

#33 in Best Auto under $400 of 35 products

Designed to connect to your car over Bluetooth, the Escort Max IX alerts you of the latest ticket threats in real time. The built-in Bluetooth connection automatically...  Read More

34. Sony 6.4" Multimedia Receiver w/ Bluetooth

#34 in Best Auto under $400 of 35 products

Compatible with Apple Carplay and or Android Auto, this XAV-AX1000 Bluetooth receiver allows you to take and make calls, change songs, navigate, and more by speaking...  Read More

35. Nature Power 150-Watt Power Inverter

#35 in Best Auto under $400 of 35 products

The Nature Power 150-watt power inverter converts battery power to 120V household AC power to charge all kinds of devices on the go. Plug it into your cigarette port...  Read More