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Tire pressure, admittedly, is one of the easiest forms of car maintenance to ignore. If you have an older vehicle, there's probably no dashboard alert telling you that your tires are due to be topped off, and it's near impossible to tell if a tire is under-inflated just by looking at it. This is a huge problem though, since under-inflated tires are not only costly, they can be dangerous. If you weren't aware, "You can improve your gas mileage by 0.6% on average — up to 3% in some cases — by keeping your tires inflated to the proper pressure," according to fueleconomy.gov and "if a vehicle's tires are under-inflated by only 6 psi ... the tire's tread life could be reduced by as much as 25%," according to Tire Rack.
Thankfully, this problem couldn't be easier to fix. All you need is to get yourself a trusty portable air compressor and periodically make sure your tires are topped off! Right now, 5 of the most popular tire inflators on Amazon are all on sale, up to 29% off. You can learn more about them and take advantage of the deals just below.
AstroAI Tire Inflator Portable Air Compressor - $31.99 (29% off)
Key features
- Over 75,000 user ratings
- Inflates at a rate of 35L/Min
- Programmable for automatic fill-ups
- Integrated LED light for better night-time visibility
- Comes with one replacement fuse and 3 additional nozzles
- Great for cars, bikes, balls, and inflatables
This AstroAI portable air compressor comes with three nozzles and will work with any Schrader valve on cars, SUVs, motorcycles, and bicycles. It can pump up tires at a speed of 35 L/Min and can inflate 195/55/R15 tires from 0 to 35 psi in under 5 minutes. The gauge is professionally calibrated to show a reading within 1.5% of your actual tire pressure and is even programmable, so you can just set your desired pressure and let the machine do the work. It's got a large, backlit screen that displays pressure units like PSI, kPa, BAR or KG/CM. There's also a built-in flashlight for working in the dark. The included accessory adapters will also allow you to also use this inflator on balls, air mattresses, balloons, and other small inflatables.
VacLife Portable Air Compressor - $31.99 (29% off)
Key features
- Plugs into your car outlet
- 11.9-foot power cord
- Automatically turns off once the pre-set pressure has been achieved
- Includes built-in LED lighting
- Includes three additional nozzles for sports balls, air mattresses, bike tires and more
- "Not applicable for any large vehicles with tire pressure ＞ 50 psi and tire width ＞ 245 MM such as trucks, vans and off-road vehicles"
The VacLife tire inflator plugs into your car's 12V power outlet with an 11.9-foot power cord to get its juice. It has automatic shutoff capability once it hits your preset PSI level, a built-in LED flashlight, and comes with three additional nozzles for inflatables like sports equipment, bike tires and more. This one is a great budget option but won't work for large vehicles with tire pressure greater than 50 psi or tire width greater than 245 mm like some trucks and off-road vehicles.
EPAuto 12V DC Portable Air Compressor Pump - $30.97 (28% off)
Key features
- Best-selling air compressor on Amazon
- Plugs into the 12-volt DC lighter port
- Includes additional valve adapters for sports balls, air mattresses, bike tires and more
- Does not support truck tires
- Includes a built-in LED flashlight
- Automatically turns off once the pre-set pressure has been achieved
The EPAuto air compressor is one of the most popular options out there. It plugs into your car's 12-volt lighter socket, comes with additional valve adapters for things like basketballs, inflatables, etc., features an automatic shutoff and has a built-in LED flashlight, like so many others. Also, like many of the more portable tire inflator options, this one isn't recommended for trucks or larger vehicles. Be aware that this air compressor actually has the shortest power cord on our list, clocked at only about 9 feet by a helpful answerer in Amazon's Q&A section, so if you like a little more slack, this might not be the best choice for you.
TEROMAS Tire Inflator Air Compressor - $34.97 (24% off)
Key features
- Plugs into a car's 12-volt cigarette lighter port or a 110/120-volt wall plug
- 10.5" power cord
- Includes four nozzle adaptors for use with cars, RVs, motorcycles, air mattresses, bike tires and more
- Accuracy of shown pressure is +/- 3 psi
- Up to 150 psi
- Automatically turns off once the pre-set pressure has been achieved
- Features a bright backlit LCD display
The TEROMAS tire inflator is a great choice because it can plug into your car's 12-volt cigarette lighter plug or a 110/120-volt wall outlet. It can inflate a P195/65R15 tire from 0 to 35 psi in under 4 minutes. The auto-off function automatically turns off the pump once it reaches your desired preset pressure value. This compressor, like many, has a digital display that conveniently shows your tire's current pressure and a built-in LED flashlight. It comes with three additional adapters and can be used with cars, motorcycles, bikes, air mattresses, balls and more. Learn more here.
AVID POWER Tire Inflator Air Compressor - $65.99 (27% off)
Key features
- Powered by a rechargeable battery pack or a 12-volt car power adapter (option to be totally cordless)
- For use with car tires, motorcycle tires, bike tires, inflatable sports balls, pool toys and more
- Not suitable for large truck tires
- Accuracy of shown pressure is +/- 1 psi
- Automatically turns off once the preset pressure has been achieved
- Includes a carrying bag, air tap and inflating needle
This Avid Power tire inflator is a multi-purpose cordless pump that can be used with most tires, inflatable sports balls and more. It's a little more expensive than the others on our list, but it's also a little more convenient, since it doesn't need to be plugged in. If its battery pack happens to be out of juice when you need it, it also comes with a 12-volt power adapter that can be used to plug it in. The compressor has an automatic stop function with an indicated pressure accuracy of +/- 1 psi, a built-in LED light and comes with its very own tool bag. Be aware that this compressor, like many others, isn't suitable for large truck tires.
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