Chevrolet Silverado: Fuel / Recommended Fuel (Except 6.2L V8 Engine)

Chevrolet Silverado 2019-2026 Owners Manual / Driving and Operating / Fuel / Recommended Fuel (Except 6.2L V8 Engine)

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 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.

Top Tier Fuel

GM recommends the use of TOP TIER Detergent Gasoline to keep the engine clean, reduce engine deposits, and maintain optimal vehicle performance. Look for the TOP TIER Logo or see www...

Recommended Fuel (6.2L V8 Engine)

Premium unleaded gasoline meeting ASTM specification D4814 with a posted octane rating of 93 — (R+M)/2 — is highly recommended for best performance and fuel economy...

Other information:

Chevrolet Silverado 2019-2026 Owners Manual: Engine Heater

If equipped, the engine heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18 °C (0 °F). Vehicles with an engine heater should be plugged in at least four hours before starting...

Chevrolet Silverado 2019-2026 Owners Manual: Adding Equipment to the Airbag-Equipped Vehicle

Adding accessories that change the vehicle's frame, bumper system, height, front end, or side sheet metal, may keep the airbag system from working properly. The operation of the airbag system can also be affected by changing, including improperly repairing or replacing, any parts of the following: Airbag system, including airbag modules, front or side impact sensors, sensing and diagnostic module, or airbag wiring Front seats, including stitching, seams, or zippers Seat belts Steering wheel, instrument panel, overhead console, ceiling trim, or pillar garnish trim Inner door seals, including speakers Your dealer and the service manual have information about the location of the airbag modules and sensors, sensing and diagnostic module, and airbag wiring along with the proper replacement procedures...