10 bestConventional Motor Oilsof December 2025
112M consumers helped this year.
1
Castrol MAGNATEC STOP-START 5W-30 Full Synthetic Engine Oil for Petrol, Diesel and CNG Cars 3.5L
Castrol
9.8
2
Motul 104103 7100 4T Fully Synthetic 20W-50 Petrol Engine Oil for Bikes (1 L)
Motul
9.6
3
Mobil 1 0W-40 Advanced Full Synthetic Engine Oil (4L)
Mobil
9.5
4
Motul 7100 4T 10W-50 API SN Fully Synthetic Petrol Engine Oil for Bikes (1.5 L)
Motul
9.2
5
Mobil 1 FS X2 5W-40 Advanced Full Synthetic Engine Oil (3.5L)
Mobil
9.0
6
Castrol MAGNATEC SUV 5W-40 - Engine Oil (3L Pack) - Full Synthetic, BS6 Ready, API SP, ACEA C3, Dualock Technology for Petrol/CNG, Hybrid and Diesel Cars
Castrol
8.7
7
Castrol CRB TURBOMAX 15W-40 CI-4 Plus Diesel Engine Oil for Commercial and Heavy Duty Vehicles
Castrol
8.4
8
Castrol CRB TURBOMAX 15W-40 CI-4 Plus Diesel Engine Oil for Commercial and Heavy Duty Vehicles
Castrol
8.1
9
SERVO Pride TC 15W40 3 L Auto Oil for Diesel Engines
SERVO
7.8
10
PISTON DIAMOND PLUS 15W-40 API CI4 PLUS Synthetic Engine Oil (8.5 L, Compatible with Car & Truck)
PISTON
7.5
Related Reviews You Might Like
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