GMC announced today the all-new 2015 Yukon/Yukon XL SUVs that will deliver greater capability and refinement, with more power, new fold-flat rear seats and a quieter interior. And thanks to a new family of advanced EcoTec3 engines, the lineup is expected to deliver the segment's best V-8 fuel economy.
The 2015 GMC Yukon and Yukon XL share design, architectural and powertrain elements, but Yukon XL has an approximately 14-inch longer wheelbase...
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