Question: is your 2.2 the 2008 or later model with the 45kg lighter mods? And if so, do you notice any difference?!
Hi Richard.. no my 159Ti 2.2 is a 2007 model..
When we came to replace my wifes 156 a few years back she wanted a 159, end of story.. We tried the 1.9JTS, and it was ok. My missus was used to my 2.2. Eventually I spotted a remapped lusso 1.9JTDm in the UK so I flew over and ferried it home.
As regards the 2.2JTS versus 1.9JTDm, day to day living the costs, imo, the 2.2 is just not worth it...
My car has the Ti spec, my wifes is the Lusso... the Ti does look great, but the costs of 19" tyres, and price of petrol is not funny now. If the road surfaces are poor in your area a standard 17" wheel on 'normal' suspension is probably better. The front arms gave up on my car after 20k miles from new.
Also our motor tax here in Ireland is €830 per year for a 2.2 and €660 for a 1.9. (btw its €1683 per year tax for a 3.2 v6!!
). So imo the 1.9JTDm (Ti or Lusso) would be a better car to live with. Again, that's just a personal opinion... Of course there is a new(er) 2.0 diesel available now too, along with the 2.4.... haven't driven either, but the 2.0 is supposed to be excellent.
................of course, when in the mood, there is nothing like a spirited petrol run in a petrol unit; it's just such a pity the JTS doesn't sound as good at the TS...
Best of luck with your car search... 'till always good fun looking.