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  1. 2008 Tribeca getting 11 mpg in town, 15 on highway

    Engine, Power, and Performance
    My 2008 non-B9 Tribeca is great but I'm thinking about getting rid of it because I'm getting worse gas mileage than my husband's V8 Chevy truck! Any ideas what could be causing it? I have new, properly inflated tires. I just bought it about 6 months ago, so I unfortunately don't know too much...
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