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

Chevrolet Silverado 2019-2025 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 2019-2025 Owners Manual: Dual Automatic Climate Control System

The heating, cooling, and ventilation in the vehicle can be controlled with this system. 1. Driver and Passenger Temperature Controls 2. MAX Defrost 3. Air Delivery Mode Controls 4. A/C (Air Conditioning) 5. SYNC (Synchronized Temperature) 6...

Chevrolet Silverado 2019-2025 Owners Manual: E85 or FlexFuel

Vehicles with a yellow fuel sticker on the fuel door can use either unleaded gasoline or fuel containing up to 85% ethanol (E85). All other vehicles should use only the unleaded gasoline as described in Recommended Fuel (Except 6.2L V8 Engine) 0 276 or Recommended Fuel (6...