Mixing oils? - Nigel Hodgson
Advice please.

I bought some 5W-40 Chevron synthetic oil from my local Costco. £10 for 5 litres.

When my car was serviced it got filled with Castrol Magnatec 10W-40.

Can I top up the car with the Chevron - or should I use Magnatec? (£8 quid for a litre at the dreaded Halfords last weekend).

Ta
Re: Mixing oils? - Andy Bairsto
the oils will mix perfectly well,there are very few actual different oils ,they are just marketed with different names.Synthetics will mix with mineral oils and vice a versa.
Re: Mixing oils? - ROBIN
If you know how to read the codes you will see that Magnatec really aint that special.And at the price it jolly well should be!
Get some Auchan Synth when next in France!