1989 GMC Sierra 1500 I (GMT400) Regular cab SWB Wideside Image GalleryDiscover the 1989 GMC Sierra 1500 I (GMT400) Regular cab SWB Wideside through a curated gallery of high-quality images. This page provides a visual overview of the vehicle from multiple angles, including both exterior and interior views. Alongside the gallery, you’ll find detailed information on dimensions and key specifications, making it easy to understand the size and layout of the model. Whether you’re researching or comparing, these visuals offer a clear look at the design features and proportions of the vehicle. Use this gallery as a reference point to explore how the 1989 GMC Sierra 1500 I (GMT400) Regular cab SWB Wideside looks and fits within its category.
