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

9.5
4

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
5

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

9.0
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

8.7
7

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

8.5
8

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

8.2
9

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

7.9
10

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

7.6

Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy