If your car requires a 5W-40 engine oil, Castrol offers a full range of options to meet the needs of every driver and vehicle manufacturer.
Full synthetic 5W-40 engine oil is formulated to flow like 5 Weight oil from a cold start in winter temperatures and like 40 Weight oil once the engine has reached its normal operating temperature.
There are two things you need to know to find the right oil for your vehicle 1) the viscosity, 2) the manufacture specification requirements. The products on this page are all 5W-40 viscosity and also show the manufacturer specifications details.
To find the product you need always consult your vehicle handbook or use our Oil Finder tool.
API SN/CF ACEA C3 MB 229.31/ 229.51/ 226.5 VW 502 00/ 505 00/ 505 01 dexos2™* Ford WSS-M2C917-A RN0700 / RN0710 FIAT 9.55535-S2 GM dexos2™ supersedes GM-LL-A-025/ GM-LL-B-025 : GB2D0114082
ACEA C3 API SN Meets - Fiat 9.55535-S2 BMW Longlife-04 MB-Approval 229.31 Renault RN 0700 / RN 0710
ACEA C3 API SN/CF Meets - Fiat 9.55535-S2 Meets - Ford WSS-M2C917-A GMdexos2™* MB-Approval 229.31 VW 505 00 / 505 01
ACEA C3 API SN/CF Meets Fiat 9.55535-S2 GMdexos2™* MB-Approval 226.5 / 229.31 / 229.51 Renault RN 0700 / RN 0710