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10 Best 5w30 Fully Synthetic Oil 2024 in the US

Winner

Mobil 1 Ex

Mobil

Mobil 1 Extended Performance High Mileage Full Synthetic Motor Oil 5W-30, 5 Quart

10.0

score

Valvoline

Valvoline

Valvoline High Mileage with MaxLife Technology SAE 5W-30 Synthetic Blend Motor Oil 5 QT

9.4

score

Valvoline

Valvoline

Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT

8.8

score

Castrol ED

Castrol

Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil, 5 Quarts

8.8

score

Pennzoil U

Pennzoil

Pennzoil Ultra Platinum Full Synthetic 5W-30 Gasoline Engine Oil, 5 Quart

8.5

score

Shell Rote

Shell Rotella

Shell Rotella T6 5W-40 Diesel Engine Oil, 1 Gallon

8.2

score

Pennzoil P

Pennzoil

Pennzoil Platinum Full Synthetic 5W-30 Gasoline Engine Oil, 5 Quart

7.9

score

Castrol GT

Castrol

Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts

7.6

score

Castrol GT

Castrol

Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts

7.0

score

Castrol GT

Castrol

Castrol GTX Ultraclean 5W-30 Synthetic Blend Motor Oil, 5 Quarts

7.0

score

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