Best Fuel Economy Used Cars in 2023: Top 15 Picks

Sometimes it might be quite difficult to find the best fuel economy used cars. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this fuel economy used cars buying guide.

Our Favorite Picks:

#	Preview	Product
1		ScanGauge - SG2 II Ultra Compact 3-in-1 Automotive Computer with Customizable Real-Time Fuel Economy...	Check Price
2		Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart	Check Price
3		Echo Dot (4th Gen, 2020 release) | Smart speaker with Alexa | Charcoal	Check Price
4		2Packs Eco Fuel Saver-Code Reader Diagnostic Scan Tool Scanner Economy Fuel Saver Tuning Box for...	Check Price
5		Car accessories for Benzine	Check Price
6		The Diesel Mystery	Check Price
7		The Frackers: The Outrageous Inside Story of the New Billionaire Wildcatters	Check Price
8		Rightline Gear Range 3 Weatherproof Rooftop Cargo Carrier for Top of Vehicle, Attaches With or...	Check Price
9		Hehoyang Auto Fuel Economy Energy Saver, Car Fuel Saver, Efficient Fuel Saving Portable Fuel Saver...	Check Price
10		Fuel Economy Gauge Sunpro CP8221, Chrome Bezel, 2", backlit, incl. tube+fittings	Check Price
11		KONNWEI KW206 Car OBD2 HUD Digital Meter Gauge All in One Automotive Trip Computer Smart OBD...	Check Price
12		Saves About 15%, Petrol Car Gas , Benzine Cars (1pc)	Check Price
13		Car Fuel Saver Auto Save 10-30% on Gas Economizer,Energy Economy Gas Saver,Plug and Play Portable...	Check Price
14		for Android Phones ONLY - Wireless Bluetooth Diagnostic OBD2 Scanner Car Code Reader and Scan Tool...	Check Price
15		Auto Meter 9105 ecometer Fuel Consumption Gauge	Check Price

15 Top Fuel Economy Used Cars Reviews:

SaleBestseller No. 1

ScanGauge - SG2 II Ultra Compact 3-in-1 Automotive Computer with Customizable Real-Time Fuel Economy Digital Gauges , Black , 5 Inch

• Programmable 3-In-1 Automotive Trip Computer, Diagnostic Scan Tool, And Up To 37 Digital Gauges In One (Vehicle Dependent)
• Watch Fuel Consumption, Cost-Per-Mile, Coolant Temperature, Engine Speed, Horsepower, And Much More In Real Time. Simple 5-button operation allows you to quickly and easily access the powerful features of the ScanGauge.
• Works On All 1996 Or Newer Obdii Cars, Including Gas, Diesel, Propane And Hybrid Vehicles
• Checks For Diagnostic Trouble Codes (Dtcs), Clears The Codes, And Can Turn Off The "Check Engine" Light
• No Batteries Required : The single connection to the diagnostic connector under the dashboard is all that is needed.

Check Price

Bestseller No. 2

Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart

• Mobil 1 Advanced Fuel Economy full-synthetic motor oil 0W-20 is low-viscosity to help improve fuel economy.*
• Utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness
• Helps protect critical engine parts for up to 10,000 miles between oil changesm,** controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
• Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean
• Helps extend engine life by working to prevent damaging deposits and sludge buildup

Check Price

SaleBestseller No. 3

Echo Dot (4th Gen, 2020 release) | Smart speaker with Alexa | Charcoal

• Meet the Echo Dot - Our most popular smart speaker with Alexa. The sleek, compact design delivers crisp vocals and balanced bass for full sound.
• Voice control your entertainment - Stream songs from Amazon Music, Apple Music, Spotify, SiriusXM, and others. Play music, audiobooks, and podcasts throughout your home with multi-room music.
• Ready to help - Ask Alexa to tell a joke, play music, answer questions, play the news, check the weather, set alarms, and more.
• Control your smart home - Use your voice to turn on lights, adjust thermostats, and lock doors with compatible devices.
• Start Routines with your motion - Turn on compatible lights, play your Flash Briefing, or turn on the coffee maker when you walk into the room.

Check Price

Bestseller No. 4

2Packs Eco Fuel Saver-Code Reader Diagnostic Scan Tool Scanner Economy Fuel Saver Tuning Box for Vehicle has an OBD2 Port

• STRONG COMPATIBILITY:Fuel Saver plug and drive Fuel saver is a chip tuning box which can be plugged into max Fuel Saver connector of your car to increase the performance of your car.
• SIGNIFICANT EFFECT:When it plugged into Fuel Saver connector, and drive fuel saver receives the information from the car computer ECU. fuel saver adjusts the boost pressure, quantity of fuel, Injection timing and pressure to increase the performance of your car
• DIVERSE FUNCTIONS:Green gasoline car fuel economy, Blue diesel car fuel economy, Yellow gasoline car power lifter, Red diesel car power lifter. Fuel Saver will adjust itself to match your car perfectly for more fuel saving.
• Fuel saver is a plug-and-play drive-ready device that reduces fuel consumption and low emissions to the economy. Fuel Saver is easy to install. Simply plug it into the car's OBD2 connector. Fuel Saver Saves 15% fuel for Benzine cars
• INSTRUCTIONS:According to your driving habits, Fuel saver makes new map in the car's computer to increase the performance of your car. As you driving much more Mile, It makes your car that it has more energy, itself to the vehicle, according to the driver's habits and always maintains the to save fuel and reduce discharge.

Check Price

SaleBestseller No. 5

Car accessories for Benzine

• Suitable models for Benzine cars
• Plug and Drive
• OKEYTECH Car accessories Suitable models for Benzine cars
• Suitable models for Benzine cars
• Suitable models for Benzine cars

Check Price

Bestseller No. 6

The Diesel Mystery

• Amazon Prime Video (Video on Demand)
• Oliver Frohnauer (Director) - Christian Heynen (Writer) - Oliver Frohnauer (Producer)
• English (Playback Language)
• English (Subtitle)

Check Price

SaleBestseller No. 7

The Frackers: The Outrageous Inside Story of the New Billionaire Wildcatters

• Hardcover Book
• Zuckerman, Gregory (Author)
• English (Publication Language)
• 416 Pages - 11/05/2013 (Publication Date) - Portfolio (Publisher)

Check Price

SaleBestseller No. 8

Rightline Gear Range 3 Weatherproof Rooftop Cargo Carrier for Top of Vehicle, Attaches With or Without Roof Rack, 18 Cubic Feet, Black

• Car Top Carrier: Our convenient roof cargo carrier allows you to keep your gear up top, so you can transport belongings and passengers without compromising on safety, comfort, or convenience
• Intuitive Features: Specially designed to keep your gear dry, our waterproof car roof cargo carrier features welded seams, an urethane-coated zipper, and a hook-and-loop-close zipper flap
• Quality Construction: Constructed of UV-protected PVC semi-coated mesh, our durable vehicle cargo carriers are designed to keep your belongings dry and won't fly off your roof
• Simple Setup: Simply attach the straps of the roof bag to your vehicle’s roof rack or use the included car clips to attach the straps to your vehicle’s door frame weather molding
• Seamless Storage: Our rooftop cargo bag folds down for storage in the included stuff sack; Car roof bag, 4 attachment straps, 4 car clips, and stuff sack with a sewn-in set up guide included

Check Price

Bestseller No. 9

Hehoyang Auto Fuel Economy Energy Saver, Car Fuel Saver, Efficient Fuel Saving Portable Fuel Saver Plug and Play Enhance Power for Car Trucks

• ❤Functional Auto Accessory: Our auto fuel saver helps stabilize, increase power, accelerate engine-starting, increase brake sensitivity, improve engine efficiency and power performance.
• ❤Additional Function: Helps stabilize the circuit voltage, avoid large fluctuations, increase the power torque and accelerate the start.
• ❤Efficient Fuel Saving: This auto fuel saver is efficient and can save on fuel by 5%-8% for your car.
• ❤Cleaner Emission: This auto fuel saver is well designed and finely manufactured to achieve cleaner emission.
• ❤Practical Car Accessory: Improve the sound quality, increase the brightness of the top light, enhance the performance of the electronics, and enhance the power performance of ECU.

Check Price

Bestseller No. 10

Fuel Economy Gauge Sunpro CP8221, Chrome Bezel, 2", backlit, incl. tube+fittings

Check Price

SaleBestseller No. 11

KONNWEI KW206 Car OBD2 HUD Digital Meter Gauge All in One Automotive Trip Computer Smart OBD Speedometer Water Temperature Fuel Pressure Tester for All 2003 and Newer Cars

• ALL IN ONE OBD2 GAUGES ➤ KW206 Car OBD2 HUD display is the combination of automotive trip computer gauge and diagnostic scan gauge. Not only it can display up to hundreds of real-time engine parameters in its digital 3.5’’ color screen like speedometer, RPM, water coolant temperature, fuel consumption, total mile ... but also can read engine fault codes and turn off the check engine light.
• PROFESSIONAL OBD2 SCANNER ➤ the KW206 car hud is newly designed as an enhanced HUD display and car diagnostic scanner, it’s a smart OBD2 gauge for car owners to quickly read and erase DTC (engine fault codes) and check Live Data Stream which can help you to accurately identify the cause of your CHECK ENGINE LIGHT and perhaps fix it without going to see your dealer.
• SAFETY DRIVING HUD ➤ the KW206 is an upgraded version of car Head-Up Display with its high updating rate, warning systems and more. Accessing data directly from car computer and display it in a large digital 3.5in color LCD, avoid accident happening when you’re driving with head down. Besides, 4 parameters alarm including RPM, VSS Speed, ECT (Engine Coolant Temp), Voltage can be set to help you reducing over-speed risk and tickets, developing a good driving habit and safety.
• UNIVERSAL COMPATIBILITY ➤ Works on all 2003 or newer OBDII certified gas/diesel engine cars, SUVs, Light Trucks, including J1850/CAN/ EOBD protocols vehicles. Simply plug into car's OBDII Port, it will get power on automatically and follow the on-screen instruction to go. On Top 4-buttons operation allows you quickly and easily access the powerful features of the KW206 Digital Meter Gauge.
• EXTRA FEATURES ➤ KONNWEI KW206 supports the unit switch from metric to imperial like KM-Mile, auto-adjust screen brightness, fast data transmission rate, 0-100 speed-up test. Also it supports lifetime software update to fix any possible issue; You can leave obd2 gauges stay in the car without unplugging, KW206 will automatically enter sleep mode when engine off, power on while detecting the ignition. Definitely it’s an essential OBD2 digital gauge for every car owner.

Check Price

Bestseller No. 12

Saves About 15%, Petrol Car Gas , Benzine Cars (1pc)

• 1

Check Price

Bestseller No. 13

Car Fuel Saver Auto Save 10-30% on Gas Economizer,Energy Economy Gas Saver,Plug and Play Portable Car Fuel Saver for Car Trucks,Fuel Shark for Car Vehicles Black Compact (2 Pcs)

• FUNCTIONAL CAR ACCESSORIES: Our car fuel saver helps stabilize, increase power, speed up engine starts, improve brake sensitivity, and increase engine efficiency and power performance.
• ADDITIONAL FEATURES: This car fuel saver is well designed to help stabilize circuit voltage, avoid large fluctuations, increase power torque and speed up starting.
• EASY INSTALLATION: Simply plug this item into your car's cigarette lighter and it will start saving gas and money immediately.
• PRACTICAL CAR ACCESSORY: the compact and portable fuel saver makes your engine last longer and allows you and your family to enjoy a more environmentally friendly trip.

Check Price

SaleBestseller No. 14

for Android Phones ONLY - Wireless Bluetooth Diagnostic OBD2 Scanner Car Code Reader and Scan Tool for All 1996 & Newer Vehicles ELM327 Compatible OBDII

• [DATA] Read & Clear your Check Engine Light (CEL); Check emissions testing readiness; Read real time vehicle sensor information;
• [ANDROID] Our Bluetooth OBD2 scanner for use with Android devices ONLY! For iOS devices, please purchase our WiFi OBD reader.
• [3RD PARTY APPS] A 3rd party app is required to use our OBD reader. Obtainable from the Google Play store. Free & Paid apps available. Recommended free: Piston; Recommended paid: Torque Pro (Not Torque Lite), OBD Fusion, Car Scanner & OBD Auto Doctor
• [COMPATIBLE] Works with ALL consumer vehilces located in USA model year 1996 & newer; Works on ALL OBD2 Protocols including J1850 & ISO9141 which are problematic for other OBD scanners
• [ELM327 COMPLIANT] Fully ELM327 compliant. works with any app stating an ELM327 code reader is needed

Check Price

Bestseller No. 15

Auto Meter 9105 ecometer Fuel Consumption Gauge

• Compatible with most gasoline ODBII equipped vehicles from 1996 to present
• Includes 5ft. Wiring Harness with 1 wire installation which easily plugs into OBDII port
• Displays RPM, Speed, Instant MPG, and Average MPG.
• Installs in minutes!
• Ecometer's ecograph helps you improve your driving habits to increase your fuel efficiency and reduce your fuel costs.

Check Price

Last update on 2023-01-12 / Affiliate links / Images from Amazon Product Advertising API

How to find the best fuel economy used cars?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best fuel economy used cars for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good fuel economy used cars recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the fuel economy used cars need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for fuel economy used cars to find what you’re looking for:

Brand

In some cases, the brand of fuel economy used cars is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given fuel economy used cars are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about fuel economy used cars are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare fuel economy used cars quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best fuel economy used cars can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.