8 Months Ago, ConsumerReports.org says (in 2009 New York Auto Show: GMC Yukon Denali Hybrid, really?)  NY
However, Docherty lost me with when she said, “The Denali hybrid gets 21 mpg in the city, 22 on the highway. That's better city mileage than a Toyota Camry six-cylinder.” To accomplish that fuel economy in such a massive, capable vehicle is impressive. ...

And wot.motortrend.com says (in Home » WOT » When the Escalade Hybrid is Too Ostentatious: The ...) The eight-passenger GMC Yukon Denali Hybrid goes just as far on a gallon of gas in the city as a much smaller, V-6 Toyota Camry sedan," said Susan Docherty, vice president of Buick-Pontiac-GMC for GM. "And in terms of fuel savings, the GMC Yukon ...

14 Months Ago, Matt Hardigree from Jalopnik says (in New EPA Fuel Economy Guide Reveals Ten Most Fuel Efficient Vehicles For 2009 [I Feel Gassy]) By City:
1.) Toyota Prius: 48
2.) Honda Civic Hybrid: 40
3.) Nissan Altima Hybrid: 35
4.) Ford Escape/Mariner Hybrid 2WD: 34
5.) Smart Fortwo: 33
Toyota Camry Hybrid: 33
7.) Volkswagen Jetta/SportWagen Diesel: 30
8.) Toyota Yaris: 29
9.) Mini Cooper: 28
Honda FIt: 28