25 messages,
Last post on Sep 18, 2012 at 12:48 PM
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Cadillac CTS/CTS-V Forum.
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Cadillac CTS, Cadillac CTS-V, Fuel Efficiency (MPG), Sedan
#24 of 25 Re: 2009/base engine/automatic [pao]
by tdbmd
May 10, 2012 (9:33 am)
I have noticed that wind will affect the mileage pretty significantly, but that speed does not seem to as much as my old car. Meaning, I get about the same 26-27 on the highway on a calm day at 60 or at 70 mph. At least so far.
#25 of 25 Re: 2009/base engine/automatic [tdbmd]
by tdbmd
Sep 18, 2012 (12:48 pm)
Now a few more months into owning the '10 CTS AWD. Mileage on my commute is pretty steady at 22-23 mpg. I did notice that it went up about 1 mpg when I used non ethanol fuel (not premium, just 87 octane). I have had a few 100 mile trips, and the highway mileage has not been below 25 mpg.