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147 Posts
Discussion Starter #1
Posted recently, I believe.
I did not see any thread(s) in a search here...
17
City
20
Combined
26
Hwy

“old way” of rating “would be”:
19
City
23
Combined
29
Hwy

2008 STS V6 is the same...
 

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04 CTS SPORT/LUX W/NAVI LIGHT PLATINUM ON BLACK- COOL MODS!
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1,313 Posts
Those ratings area all BS. My actual MPG on the 2004 3.6 caddy are:

11-13 City
21-24- Highway
 

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2008 CTS AWD FE2 DI 304hp
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746 Posts
I believe the driver style has a lot to do with real world numbers.

The epa numbers value is as a comparative device.
 

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2004 Customized black on tan 3.6L CTS
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5,147 Posts
Those ratings area all BS. My actual MPG on the 2004 3.6 caddy are:

11-13 City
21-24- Highway

Good lord, I drive like a maniac and mine is still aroun 17mpg in town. I usually drive around 90 on the interstate and I get 24mpg at that speed which is pretty good i think!
 

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04 CTS SPORT/LUX W/NAVI LIGHT PLATINUM ON BLACK- COOL MODS!
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1,313 Posts
Good lord, I drive like a maniac and mine is still aroun 17mpg in town. I usually drive around 90 on the interstate and I get 24mpg at that speed which is pretty good i think!
I dont think there are stop signs and red lights every 1/10 of a mile in Iowa. Driving in the city over there is probably like driving on the highway...:bouncy:
 

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2013 3.6 Performance Luxury
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1,035 Posts
Those ratings area all BS. My actual MPG on the 2004 3.6 caddy are:

11-13 City
21-24- Highway
Your driving habits and/or stop & go traffic seem to be affecting your mileage. I have the same car and my DIC says 23 mpg on average. My daily commute is under fairly good circumstances (speed limit 45, I drive 60, several stops) and I push it hard on a regular basis.

Regarding the 2008 mileage estimates, remember they're determined by the EPA and now (new for 2008) incorporate A/C use and other real world variables. Took them this long to figure that out? EPA estimates are intended only for comparing different vehicles. Your habits, driving conditions, use of the A/C and defrost, and other variables will determine actual mileage.
 

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2007 CTS White Diamond - 1997 Deville Silver Mist
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289 Posts
Those ratings area all BS. My actual MPG on the 2004 3.6 caddy are:

11-13 City
21-24- Highway
I agree 100% with the above. I have a 2007 CTS with the 3.6 and the MPG is the only thing I'm disappointed with regarding this car. I recently went on a 120 mile highway trip and I got about 24.8 MPG doing an average about 70 MPH albeit it was with the air conditioner on. I checked it every so often while I was driving and the highest it went to was 25.0 MPG. With mixed highway and city driving, I get about 16 MPG and with straight city driving, I get anywhere from 11-14.

My previous car was a 95 Eldo with the V8 Northstar and I got about the same MPG, maybe a little better. My father's '97 Deville gets about 26-27 MPG on the highway. I would have thought that a V6 would get better MPG than a V8.
 
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