Vehicle Questions and Answers
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What type of fuel does a 2017 Chevrolet Tahoe require?
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★ Top Answer
The 2017 Chevy Tahoe utilizes regular unleaded gasoline with an octane rating of 87 and a 26-gallon fuel tank capacity. While you have the option to use premium gas with a higher octane rating of 91, it is not necessary as it will be more expensive without providing any extra benefits. It is important to never use diesel fuel in this vehicle. If you accidentally put diesel in the tank, do not start the engine; instead, have it towed to a mechanic immediately to avoid damaging the engine, which could result in costly repairs. Even leaving diesel fuel in the tank for just a few hours can harm the tank and fuel lines. To access the gas tank, you can use the button inside the car, the key fob, or manually open it with your hand.
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The Tahoe offers two fuel choices – you can fill up with regular gasoline or go with E85. Opting for E85 will lower your miles per gallon. For the 4WD model, the average mpg will decrease from 18 to 13, while the 2WD model sees a drop from 19 mpg to 14 mpg. Other than the decrease in fuel efficiency, performance remains consistent across both fuel types. Ultimately, it's a personal choice for consumers to decide between regular gas or E85.
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