what cars can use ethanol flex fuel

[VonWilliam]

Flex-Fuel Vehicles (FFVs) are the cars designed to use ethanol flex fuel, such as E85 (a blend of up to 85% ethanol and 15% gasoline). These vehicles can run on gasoline, ethanol, or any mixture of the two, and are primarily produced by American automakers like Ford, General Motors, and Stellantis. Common models include the Ford F-150, Chevrolet Silverado, and Dodge Durango, often identified by badging like "Flex-Fuel" or yellow gas caps.

FFVs have specialized components, such as ethanol-compatible fuel systems and sensors that adjust the engine's timing for different blends. The 0-100 km/h acceleration (a measure of vehicle performance) might vary slightly with E85 due to ethanol's higher octane rating, which can improve power but often reduces fuel economy. For instance, E85 typically results in 20-30% lower miles per gallon (MPG) compared to gasoline, but it can be cheaper and more environmentally friendly in regions with abundant ethanol.

To confirm if a car is an FFV, check the owner's manual, look for labels inside the fuel door, or use online tools like the EPA's Fuel Economy website. Authority sources like the U.S. Department of Energy note that FFVs have been widely available since the early 2000s, with over 20 million on U.S. roads. Here's a table with supporting data for common FFV models:

Model	Year Range	MPG on Gasoline (City/Hwy)	MPG on E85 (City/Hwy)	Key Feature
Ford F-150 FFV	2015-2020	17/23	13/18	Towing capacity up to 9,000 lbs
Chevrolet Impala FFV	2010-2020	18/28	14/22	Spacious interior
Dodge Ram 1500 FFV	2013-2018	15/21	11/16	Hemi V8 option
Jeep Grand Cherokee FFV	2011-2021	16/23	12/18	Off-road capability
Ford Explorer FFV	2006-2019	16/22	12/17	7-seat SUV
Chevrolet Silverado 1500 FFV	2014-2020	16/22	12/17	Work truck durability

While FFVs offer fuel flexibility, they may not be ideal for all drivers due to E85's lower energy density, which requires more frequent refueling. Always consult your vehicle's specifications to ensure compatibility.

[McSteven]

I drive a lot for work, and my Ford Fusion is a flex-fuel model—it says right on the gas cap. Basically, if your car has "FFV" or "E85" somewhere, it's good to go. I use E85 when it's cheaper, but it burns faster. Just check your manual or the dealer; most American cars from the last decade might be compatible. Saves me a few bucks sometimes.

[JuneAnn]

As a car guy, I love that my Chevy Camaro SS is flex-fuel. Ethanol has a higher octane, so it can give a slight boost in horsepower for performance driving. You'll find FFVs often in sports cars or trucks from GM, Ford, etc. Look for models with specific engines, like the 5.3L V8. Downsides? Lower MPG, but if you're into tuning, E85 is great. Always verify with a VIN decoder tool.

[KevinLee]

We needed a family SUV, and our Jeep Grand Cherokee is flex-fuel. It's handy because we can choose cheaper E85 on road trips. Not all cars can do it—mostly newer American brands. I'd say check online databases or ask at the pump; some stations have labels. It's not a huge deal, but it adds flexibility without extra cost. Just watch for reduced range with ethanol.