Eligibility : GMC Engineered To Win Challenge Sweepstakes is open to legal residents of the fifty (50) United States and the District of Columbia who are at least eighteen (18) years of age at the date of entry.
Promotion Period : Ends December 29, 2009 at 8:59am ET
How To Enter :Visit http://promo.espn.go.com/espn/contests/gmc09/ and follow the instructions.
Limit : one entry per person/email address per week.
Grand Prize: (1 winner) 2010 GMC SLT 1500 Sierra truck (ARV $50,120)
Weekly Prize: (160 winners – 10 per week) $50 ShopNFL.com gift card.