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10 bestSynthetic Motor Oilsof October 2025

112M consumers helped this year.

1

Motul 7100 4T Fully Synthetic Petrol Engine Oil for Bikes, 10W-40 - 1L

Motul 7100 4T Fully Synthetic Petrol Engine Oil for Bikes, 10W-40 - 1L

Motul 7100 4T Fully Synthetic Petrol Engine Oil for Bikes, 10W-40 - 1L

Motul

9.9

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2

Shell Helix HX8 5W-30 API SN Plus Fully Synthetic Engine Oil for Petrol, Diesel & CNG Cars (3.5 L), medium

Shell Helix HX8 5W-30 API SN Plus Fully Synthetic Engine Oil for Petrol, Diesel & CNG Cars (3.5 L), medium

Shell Helix HX8 5W-30 API SN Plus Fully Synthetic Engine Oil for Petrol, Diesel & CNG Cars (3.5 L), medium

Shell

9.8

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3

Castrol MAGNATEC 3416662 Stop-Start 5W-30 Full Synthetic Engine Oil for Petrol, Diesel and CNG Cars (3.5L)

Castrol MAGNATEC 3416662 Stop-Start 5W-30 Full Synthetic Engine Oil for Petrol, Diesel and CNG Cars (3.5L)

Castrol MAGNATEC 3416662 Stop-Start 5W-30 Full Synthetic Engine Oil for Petrol, Diesel and CNG Cars (3.5L)

Castrol

9.6

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4

Shell Helix Ultra 5W-40 Fully Synthetic Motor Oil for Diesel and Gasoline Engines (4 L)

Shell Helix Ultra 5W-40 Fully Synthetic Motor Oil for Diesel and Gasoline Engines (4 L)

Shell Helix Ultra 5W-40 Fully Synthetic Motor Oil for Diesel and Gasoline Engines (4 L)

Shell

9.4

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5

Castrol POWER1 Cruise 20W-50 4T Synthetic Engine Oil for Bikes | With 3-in-1 Synthetic Technology | Meant for High Performance Bikes | BS VI Ready | 1 L

Castrol POWER1 Cruise 20W-50 4T Synthetic Engine Oil for Bikes | With 3-in-1 Synthetic Technology | Meant for High Performance Bikes | BS VI Ready | 1 L

Castrol POWER1 Cruise 20W-50 4T Synthetic Engine Oil for Bikes | With 3-in-1 Synthetic Technology | Meant for High Performance Bikes | BS VI Ready | 1 L

Castrol

9.2

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6

Castrol EDGE 5W-30 LL Advanced Full Synthetic Engine Oil | Power Boost Technology | Get More Power & Acceleration | For Petrol, Diesel, CNG & Hybrid Cars | 4L

Castrol EDGE 5W-30 LL Advanced Full Synthetic Engine Oil | Power Boost Technology | Get More Power & Acceleration | For Petrol, Diesel, CNG & Hybrid Cars | 4L

Castrol EDGE 5W-30 LL Advanced Full Synthetic Engine Oil | Power Boost Technology | Get More Power & Acceleration | For Petrol, Diesel, CNG & Hybrid Cars | 4L

Castrol

8.9

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7

Shell Advance 4T AX7 15W-50 API SM Synthetic Technology Motorbike Engine Oil for Royal Enfield (2.5 L)

Shell Advance 4T AX7 15W-50 API SM Synthetic Technology Motorbike Engine Oil for Royal Enfield (2.5 L)

Shell Advance 4T AX7 15W-50 API SM Synthetic Technology Motorbike Engine Oil for Royal Enfield (2.5 L)

Shell

8.7

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8

Castrol MAGNATEC SUV 5W-40 API S40 ACEA C3 Full Synthetic Engine Oil for Petrol, CNG and Diesel SUV 1L

Castrol MAGNATEC SUV 5W-40 API S40 ACEA C3 Full Synthetic Engine Oil for Petrol, CNG and Diesel SUV 1L

Castrol MAGNATEC SUV 5W-40 API S40 ACEA C3 Full Synthetic Engine Oil for Petrol, CNG and Diesel SUV 1L

Castrol

8.4

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9

Liqui Moly (2011) Top Tec 4200 5W-30 Synthetic Car Motor Oil - 5 L Jug

Liqui Moly (2011) Top Tec 4200 5W-30 Synthetic Car Motor Oil - 5 L Jug

Liqui Moly (2011) Top Tec 4200 5W-30 Synthetic Car Motor Oil - 5 L Jug

Liqui Moly

8.1

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10

Liqui Moly 8578 Molygen New Generation 5W-40 Fully Synthetic Engine Oil, 4 Litre (1 Piece)

Liqui Moly 8578 Molygen New Generation 5W-40 Fully Synthetic Engine Oil, 4 Litre (1 Piece)

Liqui Moly 8578 Molygen New Generation 5W-40 Fully Synthetic Engine Oil, 4 Litre (1 Piece)

Liqui Moly

7.8

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