The next generation Chevrolet Silverado could very well be the vehicle that makes or breaks General Motors. Since the introduction of the new ‘07 Tahoe, we’ve had some clues to what the Silverado might look like, but no firm details have been confirmed. Spy pictures have been floating around on the net for the last couple of months, but this may very well be the best look we’ve had yet.

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DETROIT – The Yukon XL, along with the flagship Yukon XL Denali, complement the recently introduced 2007 Yukon and Yukon Denali models to round out GMC’s new full-size SUV lineup – offering the broadest and most capable lineup of SUVs in GMC’s more than 100 years of building trucks.

The all-new 2007 Yukon XL will be offered with a starting at $37,790 MSRP, $2,440 less than the model it replaces. The Yukon XL Denali will start at $50,490 MSRP, $2,220 less than the 2006 XL Denali model. Both MSRPs include a $875 destination freight charge. T he 2007 Yukon XL and Yukon XL Denali will go on sale this spring.

TOLEDO, Ohio - A new GM Hydra-Matic 6L80 rear-wheel drive six-speed electronically controlled automatic transmission designed for the performance requirements of trucks debuts in GM's 2007 full-size SUVs. It is one of the most technologically advanced transmissions in the industry, featuring clutch-to-clutch operation, manual range selection and an integrated 32-bit electro-hydraulic controller.

The 6L80 is available on vehicles equipped with the Vortec 6.2L V-8 engine. A wide, 6.04:1 overall ratio - including two overdrive gears - helps deliver an excellent balance of performance and fuel economy. It is similar to the six-speed "paddle shift" automatic transmission introduced on the 2006 Corvette, but has been tailored for the heavy-duty requirements of SUVs and trucks.