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DETROIT — A GMAC financing deal that GM Certified Used Vehicles launched last month has been stretched out, giving the automaker's dealers even more time to use this offer to bring consumers into the certified pre-owned segment.  

Dealers can now offering the following financing deal through Sept. 7 to well-qualified customers on model-years 2005 through 2010 certified Chevrolet Impalas: 1.9 percent APR for up to 36 months, 2.9 percent financing for up to 48 months and 3.9 percent for terms up to 60 months.

This deal was originally set to expire June 30.

Meanwhile, the financing offer that featured 1.9-percent APR financing for up to 60 months on the 2005-2010 Pontiac G6 is valid through Jan. 3, same as before.

Editor's Note: GMAC will be rebranded Ally as of Aug. 23.