Fuel Economy / MPG » 6
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GREEN | 6 out of 10
17 mpg city, 28 highway (FWD); 17/27 (AWD)
There are no surprises here. With a curb weight of 4,000 pounds or more, and V-6 engines, the 2014 Cadillac XTS gets about the mileage you might expect of a very large sedan.
EPA fuel economy numbers are an estimated 17 mpg city, 28 highway with front-wheel drive, or 17/26 with AWD; but considering its true five-passenger capacity--even for long road trips--that's quite respectable.
As for the new Twin-Turbo V-6, there are no results yet, but expect mileage to be about the same--perhaps down no more than 1 mpg.
The 2014 Cadillac XTS won't wow in any way with respect to fuel efficiency, but it's passable considering all the passenger space.