HomeAll RepliesRe: How should GM spend its Motorsports Marketing Dollars? Re: How should GM spend its Motorsports Marketing Dollars? Sponsored May 11, 2012 at 5:30 pm #39915 BabersherParticipant The Silverado and Sierra are re-badges, there sales should be combined for our discussion, if not for official sales figures. Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored