GMC Sierra

GMC Sierra

GMC Sierra

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Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when dri ...

Canyon V-8 in the Market
There aren't many factory-spec street trucks available, as manufacturers mostly choose to design sport versions of their trucks for offroad adventures, not blacktop performance. That decision is a ...

Folding the Seatback
Notice: Folding a rear seat with the safety belts still fastened may cause damage to the seat or the safety belts. Always unbuckle the safety belts and return them to their normal stowed position befo ...