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1996 Cadillac Deville, 2004 Cadillac DTS, 2011 CTS AWD Coupe
331 Posts
My 96 deville gets like 24 highway (70 cruise) and maybe like 16 city- with average starts and stops. My tires, oil, fpr and everything seem to be ok. It has 112 miles, and I use 87 octane gas. Maybe thats my problem?
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