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1989 C1500 Sierra XC Extended Cab Pickup Specs

View the specific features and standard equipment for the GMC C1500 with our specs at Truck Trend. Visit the photos section for visual of the ST Convertible’s features and equipment.
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1989 C1500 Sierra XC Extended Cab Pickup Specs

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We are currently still collecting latest 1989 GMC C1500 specification data. Please check back soon for updated data.
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