10 bestSynthetic Motor Oilsof June 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

9.8
2

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

9.6
3

Motul 104103 7100 4T Fully Synthetic 20W-50 Petrol Engine Oil for Bikes (1 L)
Motul

9.4
4

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
5

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

9.0
6

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

8.7
7

Shell Advance Ultra 4T 10W-40 API SN Fully Synthetic Motorbike Engine Oil (1 L)
Shell

8.5
8

Mobil 1 FS X2 5W-40 Advanced Full Synthetic Engine Oil (3.5L)
Mobil

8.2
9

Liqui Moly 10W40 Street Race Fully Synthetic Engine Oil (1 Litre) (LM053, Compatible with ATV)
Liqui Moly

7.9
10

Motul 300V Factory Line Ester Core Fully Synthetic 10W-40 Petrol Engine Oil for Bikes (1 L) (104118)
Motul

7.7

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