10 bestSynthetic Motor Oilsof November 2025
112M consumers helped this year.
1
Castrol MAGNATEC 3416662 Stop-Start 5W-30 Full Synthetic Engine Oil for Petrol, Diesel and CNG Cars (3.5L)
Castrol
9.9
2
Shell Helix HX8 5W-30 API SN Plus Fully Synthetic Engine Oil for Petrol, Diesel & CNG Cars (3.5 L), medium
Shell
9.8
3
Shell Helix Ultra 5W-40 Fully Synthetic Motor Oil for Diesel and Gasoline Engines (4 L)
Shell
9.6
4
Motul 7100 4T Fully Synthetic Petrol Engine Oil for Bikes, 10W-40 - 1L
Motul
9.4
5
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
9.2
6
Liqui Moly (3701) 5W-40 Top Tec 4100 Low Ash Synthetic Motor Oil - 5 L Jug, Car
Liqui Moly
8.9
7
Amsoil 5W-30 Signature Series Synthetic Engine Oil - WV01RCA07887 | Compatible with car
Amsoil
8.7
8
Liqui Moly (2011) Top Tec 4200 5W-30 Synthetic Car Motor Oil - 5 L Jug
Liqui Moly
8.4
9
Liqui Moly 8578 Molygen New Generation 5W-40 Fully Synthetic Engine Oil, 4 Litre (1 Piece)
Liqui Moly
8.1
10
Mobil 1 106035 5W-50 Advanced Full Synthetic Motor Oil - 1 Quart (Pack of 6)
Mobil
7.9
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