Minimum Recommended Fuel (Except 6.2L V8 Engine) Chevrolet Silverado 1500

For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax diesel supplement.

If the vehicle has a yellow fuel cap or a yellow sticker on the fuel door, E85 or FlexFuel can be used. If the vehicle does not have a yellow fuel cap or yellow sticker, do not use gasoline with ethanol levels greater than 15% by volume. See [linkin] E85 or FlexFuel 0 278.

Use regular unleaded gasoline meeting ASTM specification D4814 with a posted octane rating of 87 — (R+M)/2 — or higher. Do not use gasoline with a posted octane rating of less than 87, as this may cause engine knock and will lower fuel economy.

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