Open the fuel door.
If you have a release lever or button inside your car, release the door to check.
Look for a label on the fuel door or by the fuel filler neck.
You should find a label that says “Diesel Fuel Only” or “Unleaded Gasoline Only,” or similar wording.
What kind of gas does cars use?
Gasoline is rated by octane. Generally, regular is 87 octane, mid-grade is 89 octane, and premium is 91 or 93 octane. Octane ratings indicate the gasoline’s resistance to pre-ignition.
Does my car need premium fuel?
In many cases, the answer is probably no — you’ll likely be able to use regular fuel with no noticeable issues except for minor losses in performance and gas mileage. If your owner’s manual says that premium fuel is required, then you should do it, but your car won’t blow up if you occasionally opt for regular.
What kind of gas does a Chevy Silverado take?
Regular gasoline has an octane content between 85 and 88, mid-grade gasoline has an octane content between 88 and 90 and premium gasoline has an octane rating higher than 90.