Don’t know what is the difference between the models, but this thread could be useful to you. http://forum.leasehackr.com/t/2016-honda-civic-ex-leased/3573
Hate to be the party pooper, but your 03 Taurus looks better than either of these 
You end up paying closer to $10k in 3 year lease and have nothing, save the 10k and put it down on the house when the market turns, that would be a true banker’s approach imo.