How can you get the best fuel economy every time you drive?
We offer trusted oils, additives, and gauges that help you save at the pump and track real gains instantly.
Save more at every fill-up. Real drivers unlock extra miles per gallon by choosing the right oil and additives—no hype, just proven results.
Mobil 1 Advanced Fuel Economy oils cut friction instantly, helping engines sip less fuel. Hot Shot's Secret cleaners scrub injectors and combustion chambers clean. Small changes add up to real savings.
Thousands now track every drop with Sunpro’s backlit fuel economy gauge. They see immediate gains, drive smarter, and keep engines running like new. You can too—with the right tools, it’s simple and certain.
Stick around to discover which fuel-saving combo fits your engine best. Every mile saved starts with a trusted choice. Let’s find yours.
List of Top 10 Fuel Economy
| Image | Title | Best For | Price |
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Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart |
Mobil 1 Advanced Fuel Economy 0W-20 is perfect for drivers who want their engine to last longer, run cleaner, and sip less fuel—without the hassle of constant oil changes. If you care about smoother starts, stronger protection, and saving at the pump, this oil was built for you. |
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Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-16, 5 Quart |
Mobil 1 Advanced Fuel Economy 0W-16 is perfect for drivers who want maximum engine protection and better fuel efficiency without compromise. If you own a modern gasoline car—especially a fuel-sipping hybrid or turbocharged model—and you value longer engine life, fewer deposits, and the confidence to go up to 10,000 miles between oil changes, this full-synthetic oil delivers exactly what you need: reliable performance, cleaner internals, and proven LSPI protection that meets the latest GF-6 standards. |
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Hot Shot’s Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Fuel Injector Cleaner – Increases Fuel Economy & Restores Engine Performance |
Gasoline engine owners frustrated by sluggish performance, rough idling, or dropping fuel economy will find their solution here. If you drive a car, truck, SUV, or van and want maximum power, smoother operation, and up to 7.9% better MPG, this is the perfect fuel additive for you. It’s especially ideal if you’ve noticed hesitation during acceleration, hesitation at start-up, or just don’t feel that "new car" punch anymore. One bottle cleans injectors, valves, pistons, and fuel lines thoroughly—restoring lost performance in just one treatment. Whether you commute daily, haul loads, or love a responsive drive, Hot Shot’s Secret Gasoline Extreme keeps your engine running clean, strong, and efficient mile after mile. Pour it in, fill the tank, and feel the difference fast. |
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Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-30, 5 Quart |
This Mobil 1 Advanced Fuel Economy motor oil is perfect for drivers who want to save on fuel and keep their engines running smoothly. It’s great for those who drive often and want long-lasting protection. |
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Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (1QT) |
This Prolube Oil Treatment is perfect for anyone who wants their car, truck, or SUV to run smoother, quieter, and more efficiently. It’s ideal for gas and diesel engines, helping to reduce wear, boost fuel economy, and extend engine life for a more reliable ride. |
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Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (16oz) |
Prolube Oil Treatment is perfect for drivers who want their engines to run quieter, stronger, and longer. If you hate noisy rides, high fuel bills, or unexpected engine repairs, this additive cuts friction, boosts power, and shields vital parts—so your car, truck, or SUV stays smooth and dependable mile after mile. |
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Fuel Economy Gauge Sunpro CP8221, Chrome Bezel, 2″, backlit, incl. tube+fittings |
The Sunpro CP8221 Fuel Economy Gauge is perfect for drivers who want to track their fuel efficiency and save money. Its chrome bezel, backlit display, and easy installation make it a great addition to any vehicle. |
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Gasoline Additive Plus by Stanadyne – 6 Pack of 1/2 Pint Bottles (8oz) – Stanadyne # 38557 |
This Gasoline Additive Plus is perfect for anyone who wants to boost their car’s performance and save on fuel. It’s great for drivers who care about keeping their engine clean and running smoothly. |
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Motul 8100 X-clean EFE 5W-30 Full Synthetic Motor Oil | Fuel Economy Formula, Helps Protect Emissions Systems, Clean Engine Performance | Long Drain Capable, Improved Engine Responsiveness | 5L |
Perfect for drivers who want their engine to last longer and run smoother—especially those with modern cars that have emissions systems like DPFs or turbos. If you value fewer oil changes, better fuel economy, and a quieter ride, this oil is built just for you. Keep your engine clean and responsive, mile after mile. |
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Hot Shot’s Secret Friction Reducer FR3 32oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier for Gas & Deisel Engines Increases Fuel Economy |
Truck owners pushing engines hard and drivers wanting more miles per gallon will love FR3. |
Detailed Reviews
Discover the top 10 fuel economy boosters selected by experts and real drivers. Each product delivers proven mileage gains, engine protection, and smoother performance. Find your perfect match for lasting savings and reliability.
Every pick is backed by real results—cleaner engines, less friction, and more miles per gallon. We cut through the noise so you get only what truly works. Trust our guide to save you time and money.
Ready to maximize every drop of fuel? See which solution fits your car and driving style—then make the switch with confidence. Your wallet will thank you.
1. Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-20, 5 Quart

Unlock better gas mileage with Mobil 1 Advanced Fuel Economy motor oil. Its low-viscosity formula is designed to help you save on fuel.
This full-synthetic oil offers triple action for your engine. It provides top performance, excellent protection, and keeps your engine spotlessly clean.
It protects your engine for 10,000 miles. It prevents oil breakdown and sludge. Keep your engine running smoothly.
| Pros | Cons |
|---|---|
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Perfect For:
Mobil 1 Advanced Fuel Economy 0W-20 is perfect for drivers who want their engine to last longer, run cleaner, and sip less fuel—without the hassle of constant oil changes. If you care about smoother starts, stronger protection, and saving at the pump, this oil was built for you.
Ready to Purchase?
2. Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-16, 5 Quart

Boost your ride’s performance with Mobil 1 Advanced Fuel Economy! This full synthetic motor oil is designed to take your engine to the next level.
It’s got low viscosity for better fuel economy and uses Mobil 1’s Triple Action Formula for top-notch engine protection. Your engine will stay clean and run smoothly with this powerful oil. It’s a smart choice for any driver.
Protect your engine for up to 10,000 miles between oil changes and keep it running like new. Mobil 1 Advanced Fuel Economy is the perfect choice for drivers who want outstanding engine performance.
| Pros | Cons |
|---|---|
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Perfect For:
Mobil 1 Advanced Fuel Economy 0W-16 is perfect for drivers who want maximum engine protection and better fuel efficiency without compromise. If you own a modern gasoline car—especially a fuel-sipping hybrid or turbocharged model—and you value longer engine life, fewer deposits, and the confidence to go up to 10,000 miles between oil changes, this full-synthetic oil delivers exactly what you need: reliable performance, cleaner internals, and proven LSPI protection that meets the latest GF-6 standards.
Ready to Purchase?
3. Hot Shot’s Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Fuel Injector Cleaner – Increases Fuel Economy & Restores Engine Performance

Unleash the power of your engine with Hot Shot’s Secret Gasoline Extreme! This potent fuel system cleaner is your secret weapon against gunk and grime. It cleans, lubricates, and protects every vital part of your gasoline engine.
Experience a smoother ride and better gas mileage. This additive fixes rough idling and restores lost engine power.
Get back on the road with peak performance. Just add one bottle to your tank. Enjoy a cleaner, more efficient engine today!
| Pros | Cons |
|---|---|
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Perfect For:
Gasoline engine owners frustrated by sluggish performance, rough idling, or dropping fuel economy will find their solution here. If you drive a car, truck, SUV, or van and want maximum power, smoother operation, and up to 7.9% better MPG, this is the perfect fuel additive for you. It’s especially ideal if you’ve noticed hesitation during acceleration, hesitation at start-up, or just don’t feel that "new car" punch anymore. One bottle cleans injectors, valves, pistons, and fuel lines thoroughly—restoring lost performance in just one treatment. Whether you commute daily, haul loads, or love a responsive drive, Hot Shot’s Secret Gasoline Extreme keeps your engine running clean, strong, and efficient mile after mile. Pour it in, fill the tank, and feel the difference fast.
Ready to Purchase?
4. Mobil 1 Advanced Fuel Economy Full Synthetic Motor Oil 0W-30, 5 Quart

Mobil 1 Advanced Fuel Economy motor oil is fully synthetic and low-viscosity. It helps improve fuel efficiency for your car. This oil is designed to perform in all conditions.
It uses Mobil 1’s Triple Action Formula for engine protection and cleanliness. The oil also meets ILSAC GF-6 standards, ensuring top performance.
This oil extends engine life by preventing damaging deposits and sludge buildup. It protects critical engine parts for up to 10,000 miles. Choose Mobil 1 for reliable engine care.
| Pros | Cons |
|---|---|
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Perfect For:
This Mobil 1 Advanced Fuel Economy motor oil is perfect for drivers who want to save on fuel and keep their engines running smoothly. It’s great for those who drive often and want long-lasting protection.
Ready to Purchase?
5. Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (1QT)

Slash engine noise and boost power instantly. Prolube Oil Treatment cuts friction to deliver smoother, quieter performance and real horsepower gains—whether you're commuting daily or hauling heavy loads.
Save fuel and protect your engine for the long haul. This advanced formula reduces wear by up to 45%, prevents overheating, and helps your engine run cooler and leaner—saving you money at the pump every time.
Just add 1 oz per quart for standard engines, or 2 oz for heavy-duty use. Works flawlessly with gas, diesel, transmissions, and differentials. Reliable protection in every drop.
| Pros | Cons |
|---|---|
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Perfect For:
This Prolube Oil Treatment is perfect for anyone who wants their car, truck, or SUV to run smoother, quieter, and more efficiently. It’s ideal for gas and diesel engines, helping to reduce wear, boost fuel economy, and extend engine life for a more reliable ride.
Ready to Purchase?
6. Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (16oz)

Prolube Oil Treatment is an engine oil additive that helps your car run better. It can boost horsepower, cut down on engine noise, and smooth out vibrations.
This product is great for both gasoline and diesel engines. It can help you save on fuel costs by reducing friction and improving efficiency, making your engine last longer.
Protect your engine with Prolube. It reduces wear by up to 45%. Enjoy a smoother ride today!
| Pros | Cons |
|---|---|
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Perfect For:
Prolube Oil Treatment is perfect for drivers who want their engines to run quieter, stronger, and longer. If you hate noisy rides, high fuel bills, or unexpected engine repairs, this additive cuts friction, boosts power, and shields vital parts—so your car, truck, or SUV stays smooth and dependable mile after mile.
Ready to Purchase?
7. Fuel Economy Gauge Sunpro CP8221, Chrome Bezel, 2″, backlit, incl. tube+fittings

Stop guessing your fuel efficiency—start knowing it. The Sunpro CP8221 chrome bezel fuel economy gauge gives you instant, backlit visibility of your real-time miles per gallon, right on your dash. No more math, no more doubt—just clear data to drive smarter and save money every trip.
It’s 2-inch, easy to read, and includes everything you need: tube, fittings, and a polished chrome ring. Just install, connect, and watch your efficiency improve immediately.
Trusted by drivers. Built by SunPro. Lightweight, reliable, and designed to fit most vehicles—this gauge makes fuel savings effortless. Upgrade your ride with confidence and keep more cash in your pocket where it belongs.
| Pros | Cons |
|---|---|
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Perfect For:
The Sunpro CP8221 Fuel Economy Gauge is perfect for drivers who want to track their fuel efficiency and save money. Its chrome bezel, backlit display, and easy installation make it a great addition to any vehicle.
Ready to Purchase?
8. Gasoline Additive Plus by Stanadyne – 6 Pack of 1/2 Pint Bottles (8oz) – Stanadyne # 38557

Unlock your engine’s full potential with Gasoline Additive Plus by Stanadyne. This 6-pack of 8oz bottles is your secret weapon for peak performance. Experience a noticeable boost in fuel economy and restored horsepower.
Keep your engine running smoothly and protected. This additive cleans and prevents harmful buildup.
Protect your fuel system from rust and corrosion. It even offers ethanol protection and is catalytic converter safe. Get Diamond Diesel & Turbocharger Service’s trusted solution today!
| Pros | Cons |
|---|---|
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Perfect For:
This Gasoline Additive Plus is perfect for anyone who wants to boost their car’s performance and save on fuel. It’s great for drivers who care about keeping their engine clean and running smoothly.
Ready to Purchase?
9. Motul 8100 X-clean EFE 5W-30 Full Synthetic Motor Oil | Fuel Economy Formula, Helps Protect Emissions Systems, Clean Engine Performance | Long Drain Capable, Improved Engine Responsiveness | 5L

Motul 8100 X-clean EFE 5W-30 is a full synthetic motor oil designed to boost your car’s fuel economy and extend its life. It helps your engine run smoother and more efficiently.
This oil is perfect for modern cars with advanced emission systems. It works well with filters and catalytic converters, keeping your engine clean and protected.
It’s long-lasting. It improves engine response. It offers great engine protection.
| Pros | Cons |
|---|---|
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Perfect For:
Perfect for drivers who want their engine to last longer and run smoother—especially those with modern cars that have emissions systems like DPFs or turbos. If you value fewer oil changes, better fuel economy, and a quieter ride, this oil is built just for you. Keep your engine clean and responsive, mile after mile.
Ready to Purchase?
10. Hot Shot’s Secret Friction Reducer FR3 32oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier for Gas & Deisel Engines Increases Fuel Economy

Give your engine the ultimate protection with Hot Shot’s Secret Friction Reducer FR3! This powerful synthetic oil additive is engineered to shield your gas and diesel engines from wear and tear, ensuring they run smoother and last longer.
It boosts performance. You’ll get more horsepower. Enjoy better fuel economy.
Experience a quieter ride as it reduces engine noise and even restores lost compression. Simply add 1.5 ounces per quart of oil for an engine that feels brand new.
| Pros | Cons |
|---|---|
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Perfect For:
Truck owners pushing engines hard and drivers wanting more miles per gallon will love FR3.
Anyone with a noisy lifter or aging engine needs this simple fix.
Diesel and gas owners get smoother starts, quieter idles, and real fuel savings—up to 5% more economy.
If you change your own oil and want maximum protection without hassle, pour in FR3.
It’s stronger engines, less noise, and more savings—every time.
Ready to Purchase?
Buying Guide
Fuel economy is essential for every driver looking to save money and reduce their carbon footprint. Choosing the right products can lead to significant savings at the pump. With the right tools and knowledge, you can enhance your vehicle’s efficiency and performance.
When considering the best fuel economy products, keep these factors in mind:
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Oil Type: The type of oil you use can greatly affect your engine’s performance. Full synthetic oils often provide better protection and efficiency compared to conventional oils.
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Additives: Fuel additives can clean your engine and improve fuel efficiency. Look for products that reduce friction and clean injectors for optimal performance.
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Viscosity Rating: The viscosity of the oil impacts how well it flows in your engine. Low-viscosity oils can help improve fuel economy by reducing engine drag.
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Engine Condition: A well-maintained engine runs more efficiently. Regular maintenance, including oil changes and filter replacements, is crucial for achieving the best fuel economy.
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Driving Habits: Your driving style can influence fuel efficiency. Smooth acceleration and maintaining a steady speed can lead to better mileage.
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Tire Pressure: Properly inflated tires reduce rolling resistance. Check your tire pressure regularly to ensure optimal fuel economy.
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Weight of the Vehicle: The more weight your vehicle carries, the more fuel it consumes. Remove unnecessary items from your car to improve efficiency.
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Aerodynamics: The shape of your vehicle affects its drag. Consider removing roof racks or other accessories that can increase wind resistance.
By focusing on these factors, you can make informed choices that enhance your vehicle’s fuel economy and save you money in the long run.