A 2021 GMC Sierra with a 2.7L engine uses 6 quarts of 5w30 dexos1™oil. A 3.0L diesel-equipped GMC Sierra requires 7 quarts of 0w20 dexos2™oil. The 4.3L V6 GMC Sierra takes 6 quarts of 5w30 dexos1™oil. All of the V8-model 2021 GMC Sierra trucks take 8 quarts of 0w20 dexos1™oil.
2018 GMC Sierra 1500 is using s synthetic oil in all three engines. The 4.3L V6 engine uses an SAE 5W-30 oil and can hold 6 quarts. The 5.3L V8 and the 6.2L V8 both run on SAE 0W-20 and have the capacity for 8 quarts of oil.
How much oil does a 5.3 GMC Sierra take?
The 5.3L V8 engine and the 6.2L V8 both use 0W-20 and have the capacity for 8 quarts of oil.