Ford TDCi series III vs series IV - Flat in Fifth
Looking at Ford's website it appears that you can order a Mondeo with either:

TDCi 130PS Series III

or:

TDCi 130PS Series IV

I assume that the latter is Euro IV compliant, but most of the specification figures are identical.

Is this just a situation where one engine is being phased out and the updated version introduced.

What is the technical difference between the two? ie what have they changed?

FiF
Ford TDCi series III vs series IV - Honestjohn
Yes. Same now goes for the TDCI 115. Euro IV gets rid of the 3% diesel penalty on BIK, but Ford wants £500 more for the Euro IV cars.

HJ