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Sedans Cadillac CTS/CTS-V 2009 CTS
230 messages, Last post on Nov 06, 2009 at 4:10 PM
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Replying to: asrose (Feb 19, 2009 7:51 am) |
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Replying to: asrose (Feb 18, 2009 7:57 pm)
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Replying to: fisherman10 (Feb 19, 2009 3:34 pm) |
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Hey Guys, I just purchased a 2009 CTS AWD 3.6L. Sharp car, but my gas mileage is terrible. 11.2 mpg. Sad I've run through a couple tanks of gas from different stations, but the mpg turns out about the same. I drive about 25 miles a day round trip to work. I've tried to vary my driving style and drive as conservatively as possible with no real change in mpg. My commute is mostly city driving. I just brought it back to the dealer and they said all things check out OK. I have noticed some stuttering in the acceleration. Any thoughts? I also got a rental CTS from the dealer while they looked at my car. It was a 2009 RWD 263hp. This car is a lot peppier then mine and has the mpg on the dash listed as 20.5 mpg. Hmmm? Something seems wrong here. The dealer said I should drive for a couple thousand miles to get a real idea on the mpg. I'm getting 165 to 185 miles to a tank of gas. This will not fly. Do I have a lemon? Any thoughts? Tips? Thanks for any help. best, -S |
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Replying to: blackcadillac (Feb 23, 2009 8:38 am)
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Saying 3.6L is not clear about 304HP DI or 265HP Standard engine. That is mainly interesting to establish a pattern, to determine if any combo of options is related to poor or expected MPG. I feel the best way to measure MPG easily and quickly is to monitor the instant MPG display on cruise, on a Flat highway going around 60 or so. If that gets close to the 25-26 EPA, then nothing is wrong for the highway. If that MPG stinks, then something could be wrong and you will have a better argument with service. Stuttering in acceleration also may indicate something not correct. Don't monitor MPG in "Sport Mode" (shifter to the right). If the 263hp engine felt faster than yours, that is another indication of yours not running well.
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Replying to: joey245 (Feb 19, 2009 7:52 am) |
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Replying to: artmbgolf (Feb 23, 2009 10:32 am) Here are the specifics on my CTS 3.6L Direct Injection All-Wheel Drive V6 engine with 304 hp Transmission, 6-speed automatic transmission. Performance Collection, 18" All-Season Tire Performance Package Yes, the 263HP RWD felt more responsive. I will try the highway 60 MPH test and see if I get the 25-26 EPA. thx, -s
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Replying to: blackcadillac (Feb 23, 2009 7:57 pm) Some reporting normal 27ish mpg and others reporting teens, makes it sound like they have a problem or are calculating wrong or just reporting the computer avg mpg. My current 25 mpg highway often is around 15-17 around town. If cruise or steady at 60-70 mph on flat road isn't up in the mid 20's, you might have a problem, especially considering performance doesn't feel good compared to the 263hp engine. I have not driven the DI yet, so I can't talk about the difference in feel. I also wonder if the Michlen tires on FE2 grip well enough, as they are more of a touring tire than a perf all season. |
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Replying to: pao (Feb 23, 2009 9:57 am) I'd be super happy with 23-24,..... I'd be happy with 15/16, but 11.6 consistent seems way off. I have 1400 miles on my CTS(AWD DI 304). Do you think I'll get better MPG as I put on more miles? Thx, - S |
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