What is the right gas type for my truck?

The GMC Sierra comes with different engine options, and the best type of fuel for your vehicle will depend on the specific engine it has.

For the standard 4.3-liter V6 engine, regular unleaded gasoline with an octane rating of 87 is recommended by GMC.

For the available 2.7-liter turbocharged four-cylinder engine, regular unleaded gasoline with an octane rating of 87 is also recommended.

For the 5.3-liter V8 engine with Dynamic Fuel Management (DFM) technology, regular unleaded gasoline with an octane rating of 87 is recommended. However, GMC states that the engine can also run on E85, a fuel blend containing up to 85% ethanol.

For the available 6.2-liter V8 engine with DFM technology, premium unleaded gasoline with an octane rating of 93 is recommended for optimal performance.

In summary, for the majority of GMC Sierra engines, regular unleaded gasoline with an octane rating of 87 is the recommended fuel. However, if your vehicle has the 6.2-liter V8 engine with DFM technology, premium unleaded gasoline with an octane rating of 93 is recommended for optimal performance. The 3.0L Duramax GMC Sierra Diesel, it is recommended to use ULSD with a cetane rating of 50 or higher. This will help ensure proper engine performance, fuel efficiency, and emissions control.

For more in-depth information refer to your vehicles owners manual or contact Kerbeck Buick GMC located in Palmyra New Jersey. Or call our service department at 856-786-8200.

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