Correct engine oil for my car

I own a 2003 Volkwagen Golf Mk4 1.9 TDi estate with a PD diesel engine. Although I have never done oil changes myself, I do know that it is on a longlife service schedule, and I am pretty sure it has...

I bought a used car privately and the engine needs replacing - do I have any comeback against the seller?

I purchased a 2012 Land Rover Defender in a private sale. Within 30 days there was a warning light for the oil pressure followed quickly by engine failure. The car now requires a new engine at approximately...

Are there actually any differences in engine oil specifications?

Can there really be any difference in engine oils with specification 5W/30 and that meet ACEA C3 for diesel cars? I see that several oil manufacturers produce engine oils for specific cars, eg. VW cars,...