10 Best Flex-Fuel Cars In 2023 | Driving Slowly

Flex-fuel cars, a pioneering solution in the realm of alternative fuels, offer a versatile approach to reducing environmental impact and dependency on fossil fuels. These vehicles are designed to run on a blend of gasoline and ethanol, typically containing up to 85% ethanol (E85). The key advantage of flex-fuel technology lies in its adaptability, enabling drivers to switch between gasoline and ethanol with ease, depending on availability and price.

This innovation aligns with global efforts to combat climate change, as ethanol, primarily derived from renewable sources like corn or sugarcane, emits fewer greenhouse gases. Exploring the history, benefits, and challenges of flex-fuel cars unveils their role in a more sustainable automotive future.

Explore 10 Best Flex-Fuel Vehicles 2023: Eco-Friendly Options

New flex-fuel cars are revolutionizing the automotive industry, offering environmentally conscious drivers a compelling alternative to traditional gasoline vehicles. Prominent automakers like Audi, Mercedes-Benz, and Volvo are at the forefront of this movement. Audi’s A3, Mercedes-Benz’s GLA200, and Volvo’s C40 exemplify the future of flexible fuel options.

These vehicles are designed to run on a range of renewable fuels, including ethanol and methanol, reducing greenhouse gas emissions and dependence on fossil fuels. With their sleek designs, cutting-edge technology, and commitment to sustainability, these flex-fuel models cater to eco-conscious consumers seeking both performance and a reduced carbon footprint. Embracing innovation, they embody the shift towards a greener, more sustainable automotive landscape.

#1. Audi A3

New Flex-fuels Cars
  • MSRP: starts at $35,400
  • Engine: turbocharged 2.0-litre four-cylinder
  • Horsepower: 201 hp
  • Torque: 369 lb-ft
  • Range: 584.1 miles
  • MPG: 38 mpg Highway and 29 mpg City
  • Transmission: 7-speed dual-clutch automatic
  • Top Speed: 155 mph
  • Acceleration (0-60mph): 12.7 seconds
  • Trims: 02

The Audi A3 has embraced the future of sustainable mobility as one of the new flex-fuel cars. Its innovative design allows it to run on a variety of alternative fuels, reducing its environmental impact. The flex-fuel technology enables the A3 to use ethanol, methanol, or other biofuels, providing drivers with options to reduce their carbon footprint.

This versatility makes the A3 an eco-friendly choice for environmentally-conscious consumers. Alongside its green credentials, the Audi A3 continues to deliver the luxurious and performance-oriented experience that the brand is known for, making it a promising addition to the world of flex-fuel vehicles.

#2. Mercedes-Benz GLA200

Best Flex-fuel Car
  • MSRP: Starting at $40,000
  • Engine: 1.3-litre turbo petrol engine
  • Horsepower: 163 hp
  • Torque: 250Nm
  • Range: 414 miles
  • MPG: 42.8 mpg
  • Transmission: 7-speed 7G-DCT automatic
  • Top Speed: 132 mph
  • Acceleration (0-60mph): 6.8 seconds
  • Trims: 03

The Mercedes-Benz GLA200, as part of the new wave of flex-fuel cars, embraces environmental consciousness and versatility. This compact luxury SUV offers a flexible powertrain, capable of running on a variety of ethanol-gasoline blends, promoting cleaner and sustainable fuel options. The GLA200’s turbocharged engine delivers a dynamic driving experience while reducing emissions.

Its refined interior showcases modern technology and comfort, with advanced infotainment and safety features. This vehicle seamlessly combines performance and eco-friendliness, making it an attractive option for those seeking an environmentally responsible driving experience without sacrificing the style and quality synonymous with the Mercedes-Benz brand.

#3. Volvo C40

Best Flex-fuel Car
  • MSRP: starts at $55,300
  • Engine: comes with two electric motors
  • Horsepower: 201 hp
  • Torque: 243 lb-ft
  • Range: 226 miles
  • MPG: 80 mpg City, 94 mpg Highway, and 87 mpg Combined
  • Transmission: Single-speed
  • Top Speed: 112 mph
  • Acceleration (0-60mph): 7.3 seconds
  • Trims: 03

The Volvo C40, while not a flex-fuel car, represents a new frontier in sustainable mobility. This all-electric compact SUV embodies Volvo’s commitment to reducing carbon emissions and promoting eco-friendly transportation. It’s designed for an electric future, boasting impressive range and performance.

With its dual electric motors, it delivers a thrilling driving experience while emitting zero tailpipe emissions. The C40 also showcases the brand’s dedication to sustainability by featuring recycled materials in its interior. Though not a flex-fuel vehicle, it’s a remarkable example of Volvo’s shift towards electric mobility, aligning with global efforts to reduce reliance on traditional fossil fuels and transition to cleaner energy sources.

Ford Flex-fuel Vehicles, like the Ford Focus and Ford Expedition, are designed to run on a flexible fuel blend of ethanol and gasoline, typically E85 (85% ethanol, 15% gasoline). This technology promotes environmental sustainability by reducing greenhouse gas emissions, as ethanol is derived from renewable resources like corn.

The Ford Focus, a compact car, and the Ford Expedition, a full-size SUV, both offer Flex-fuel options. These vehicles provide consumers with choices, as they can run on gasoline when necessary. Flex-fuel vehicles not only support eco-conscious driving but also contribute to energy security by reducing dependence on fossil fuels, a positive step in the automotive industry’s evolution.

#4. Ford Focus

Ford Flex-fuel Vehicles
  • MSRP: starts from $27,390
  • Engine: 1.5-litre four-cylinder
  • Horsepower: 120 hp
  • Torque: 215 Nm
  • Range: 384 miles
  • MPG: 57 mpg
  • Transmission: Power-Shift dual-clutch
  • Top Speed: 114.36 mph
  • Acceleration (0-60mph): 4.7 seconds
  • Trims: 06

The Ford Focus, as part of Ford’s Flex-fuel vehicle line-up, is designed to run on a variety of fuel blends, including E85, a mix of 85% ethanol and 15% gasoline. This eco-friendly feature aims to reduce greenhouse gas emissions and dependence on fossil fuels.

The Flex-fuel capability allows drivers to choose a more sustainable and cost-effective fuel option, as ethanol is often domestically sourced. The Focus, known for its compact design and efficient performance, combines practicality with environmental responsibility. It’s a versatile choice for individuals who prioritize fuel flexibility and wish to contribute to a greener, more sustainable future.

#5. Ford Expedition

Ford Flex-fuel Vehicles
  • MSRP: starts at $53,875
  • Engine: twin-turbocharged 3.5-litre V6
  • Horsepower: 380 hp
  • Torque: 470 lb-ft
  • Range: 570 miles
  • MPG: 17 mpg City, 23 mpg Highway, and 19 mpg Combined
  • Transmission: 10-speed automatic
  • Top Speed: 124 mph
  • Acceleration (0-60mph): 5.7 Seconds
  • Trims: 10

The Ford Expedition is a versatile SUV that offers a “Flex-Fuel” option, which means it can run on E85 ethanol fuel in addition to regular gasoline. This alternative fuel capability makes the Expedition more eco-friendly and cost-effective. The Flex-Fuel system allows the vehicle to adjust its engine performance to accommodate ethanol blends, reducing greenhouse gas emissions and promoting the use of renewable resources.

The Expedition, known for its spacious interior, powerful V8 engine, and towing capacity, remains a popular choice among families and outdoor enthusiasts. The Flex-Fuel option caters to environmentally conscious consumers seeking a vehicle that supports renewable energy sources and reduced carbon emissions.

Toyota offers a versatile range of Toyota Flex-fuel vehicles, including the Toyota Tundra, and Toyota Sequoia FFV. These vehicles are designed to run on a flexible mixture of ethanol and gasoline, reducing dependence on fossil fuels and lowering emissions. The Toyota Tundra, a popular pickup truck, also supports flex-fuel, catering to those who need power and efficiency. Similarly, the Toyota Sequoia FFV provides a larger, eco-friendly option for SUV enthusiasts. Toyota’s Flex-fuel line-up exemplifies its commitment to sustainable transportation.

#6. Toyota Tundra

Toyota Flex-fuel vehicles
  • MSRP: Starting at $38,965
  • Engine: 3.5L Twin-Turbo V6
  • Horsepower: 389 hp
  • Torque: 479 lb-ft
  • Range: 612 miles
  • MPG: 24 mpg Highway and 20 mpg City
  • Transmission: 10-speed automatic
  • Top Speed: 108 mph
  • Acceleration (0-60mph): 6.2 seconds
  • Trims: 07

The Toyota Tundra, as one of Toyota’s Flex-fuel vehicles, is designed to run on a variety of fuel sources, including ethanol-based E85. This flexibility reduces dependence on fossil fuels and promotes the use of renewable resources. The Tundra’s V8 engine is compatible with E85, a blend of 85% ethanol and 15% gasoline, which can help reduce greenhouse gas emissions and decrease our carbon footprint.

Toyota’s commitment to environmentally friendly technology extends to their trucks, providing consumers with an option that aligns with sustainability goals. This not only benefits the environment but also offers a choice for consumers looking for a more eco-conscious vehicle.

#7. Toyota Sequoia FFV

Toyota Flex-fuel vehicles
  • MSRP: starts at $58,300
  • Engine: 5.7-litre V8
  • Horsepower: 381 hp
  • Torque: 401 lb-ft
  • Range: 370 miles
  • MPG: 13 mpg City, 17 mpg Highway, and 14 mpg Combined
  • Transmission: 6-speed shiftable automatic
  • Top Speed: 115 mph
  • Acceleration (0-60mph): 5.6 seconds
  • Trims: 05

The Toyota Sequoia FFV (Flex-Fuel Vehicle) is a versatile SUV that exemplifies Toyota’s commitment to sustainability and flexibility. As a FFV, it can run on a variety of fuel sources, including gasoline and ethanol blends. This adaptability not only reduces its environmental impact but also offers cost-effective choices for consumers.

The Sequoia FFV combines Toyota’s renowned durability with eco-consciousness, making it an attractive option for those seeking a larger vehicle without sacrificing fuel efficiency. Its spacious interior, advanced safety features, and towing capacity enhance its appeal to families and adventure enthusiasts. The Toyota Sequoia FFV embodies the brand’s dedication to innovative, eco-friendly transportation solutions.

Hyundai Flex-fuel Cars, exemplified by models like the Hyundai HB20, are a testament to Hyundai’s commitment to sustainability and innovation. These vehicles are designed to run on a variety of fuel blends, typically gasoline and ethanol, offering drivers the flexibility to choose their fuel source while reducing their carbon footprint.

The Hyundai HB20 showcases this technology, providing drivers with an eco-friendly option. Flex-fuel cars promote energy diversity, reduce greenhouse gas emissions, and support local agriculture by using ethanol, derived from renewable sources. They epitomize Hyundai’s dedication to environmentally responsible automotive solutions, making them an attractive choice for environmentally-conscious consumers.

#8. Hyundai HB20

Hyundai Flex-fuel Cars
  • MSRP: starts from $16,490
  • Engine: 1.0-litre Inline 3
  • Horsepower: 128 hp
  • Torque: 195 lb-ft
  • Range: 112 miles
  • MPG: 26 mpg City, 33 mpg Highway, and 29 mpg Combined
  • Transmission: 5-speed manual and 4-speed automatic
  • Top Speed: 143 mph
  • Acceleration (0-60mph): 11.6 seconds
  • Trims: 03

Hyundai Flex-fuel cars, exemplified by models like the Hyundai HB20, represent a sustainable and versatile approach to transportation. These vehicles are designed to run on a variety of fuel types, primarily ethanol-based E85 and gasoline. Ethanol is a renewable biofuel derived from crops like corn, making it an eco-friendly alternative.

Flex-fuel technology allows drivers to switch between ethanol and gasoline seamlessly, promoting energy independence and reducing greenhouse gas emissions. The Hyundai HB20 underscores the company’s commitment to environmental responsibility. With this innovation, Hyundai provides consumers with a choice, aligning with global efforts to reduce reliance on fossil fuels and promote a greener future.

Chevy Flex-fuel Vehicles, such as the Chevrolet Impala and Chevrolet Silverado 4WD, are designed to run on a variety of fuel blends, primarily E85 (containing 85% ethanol) or traditional gasoline. This flexibility in fuel options promotes environmental sustainability and energy independence. The Chevrolet Impala, a popular sedan, and the Chevrolet Silverado 4WD, a rugged pickup truck, both offer flex-fuel variants.

These vehicles provide consumers with the choice to use renewable and domestically produced ethanol, reducing greenhouse gas emissions and promoting the use of renewable resources. By offering flex-fuel options, Chevy supports a more eco-friendly and cost-effective driving experience while contributing to a greener automotive industry.

#9. Chevrolet Silverado 4WD

Chevy Flex-fuel Vehicles
  • MSRP: Starting at $37,445
  • Engine: turbocharged four-cylinder V8
  • Horsepower: 310 hp
  • Torque: 430 lb-ft
  • Range: 432 miles
  • MPG: 18 mpg Combined, 15 mpg City, and 21 mpg Highway
  • Transmission: six-speed automatic
  • Top Speed: 114 mph
  • Acceleration (0-60mph): 5.4 seconds
  • Trims: 08

Chevrolet offers a range of Flex-Fuel Vehicles, including the Chevrolet Silverado 4WD, designed to run on E85, a blend of 85% ethanol and 15% gasoline. These vehicles provide environmental benefits by reducing greenhouse gas emissions and decreasing our dependence on fossil fuels. Flex-fuel technology allows drivers to choose between using E85 and regular gasoline, offering flexibility and potentially cost savings.

The Chevrolet Silverado 4WD, equipped with a Flex-Fuel engine, combines the power and performance of a full-size pickup with the option of using renewable ethanol-based fuel. This not only contributes to a more sustainable future but also caters to drivers seeking a versatile and eco-friendly choice in the competitive truck market.

#10. Chevrolet Impala

Chevy Flex-fuel Vehicles
  • MSRP: Starting at $28,895
  • Engine: 2.5-litre four-cylinder
  • Horsepower: 195 hp
  • Torque: 187 lb-ft
  • Range: 407.00 miles City and 536.50 miles Highway
  • MPG: 28 mpg Highway and 18 mpg City
  • Transmission: 6-speed automatic
  • Top Speed: 155 mph
  • Acceleration (0-60mph): 8.7 seconds
  • Trims: 03

Chevy flex-fuel vehicles, including the Chevrolet Impala, are designed to run on a variety of ethanol-gasoline blends, typically ranging from E85 (85% ethanol) to standard gasoline. These vehicles promote environmental sustainability by utilizing ethanol, which is primarily derived from renewable sources like corn.

The Impala, a classic Chevrolet model, incorporates flex-fuel technology, allowing owners to choose between gasoline and ethanol blends. This flexibility reduces greenhouse gas emissions and decreases dependency on fossil fuels. Chevy’s commitment to flex-fuel technology aligns with eco-conscious consumer preferences and contributes to the broader effort to reduce the automotive industry’s environmental footprint, all while maintaining the iconic appeal of the Impala.

FAQs about Flex-fuel Cars

Q. What is a flex-fuel car?

A flex-fuel car, also known as a flexible-fuel vehicle (FFV), is designed to run on a blend of gasoline and ethanol, typically E85, which contains 85% ethanol and 15% gasoline.

Q. How does a flex-fuel car work?

Flex-fuel cars have engine components and sensors that can adjust the fuel-to-air ratio based on the ethanol content in the fuel. They can run on a range of ethanol-gasoline blends.

Q. What are the benefits of using E85 in a flex-fuel car?

E85 can reduce greenhouse gas emissions and dependence on fossil fuels. It’s a renewable energy source, and in some places, it’s cheaper than gasoline.

Q. Can flex-fuel cars run on regular gasoline?

Yes, flex-fuel vehicles can run on regular gasoline as well. They are designed to be flexible and can switch between gasoline and ethanol blends without issues.

Q. Is E85 widely available?

Availability of E85 varies by region. In some areas, it’s relatively common, while in others, it can be hard to find. It’s more prevalent in the United States.

Q. Are there any downsides to using E85 in a flex-fuel car?

E85 typically has a lower energy content than gasoline, which can result in reduced fuel efficiency. Additionally, it may be corrosive to some materials in older vehicles not designed for ethanol blends.

Q. Can I convert a regular gasoline car into a flex-fuel car?

Converting a non-flex-fuel car to run on E85 is possible but requires modifications to the fuel system, which can be complex and expensive.

Q. Is there a difference in performance between E85 and gasoline?

E85 has a higher octane rating than regular gasoline, which can provide increased power and performance in some cases, especially in engines designed for it.


Flex-fuel cars offer a promising solution to reduce our dependency on fossil fuels and combat environmental challenges. The models mentioned, such as the Audi A3, Mercedes-Benz GLA200, and Ford Focus, showcase the industry’s commitment to eco-friendly options. With vehicles like the Ford Expedition and Toyota Tundra, even larger segments benefit from flex-fuel technology. The Chevrolet Silverado 4WD and Impala, alongside the Toyota Sequoia FFV and Hyundai HB20, underscore the wide range of choices available to consumers, promoting sustainability while enjoying diverse driving experiences.

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