Actually the mileage state 17mpg city 25 road. No guzzler tax.
The MDS system allows the engine to operate on either 4 6 or 8
cylinders. Caddy tried the same type of valve timing system in the early 80's except with horrible results. I hope Chrysler comes through with a winner.
That's been tried before in the past and it didn't work very well. I'm glad to see it finally working out.