The 1999 GMC Suburban is a classic full-size SUV that combines rugged utility, huge interior space, and solid V8 power, making it a favorite for families, adventurers, and anyone needing serious hauling ability. It rides on a long 131.5-inch wheelbase and spans about 219.5 inches in length, offering room for up to nine passengers and over 149 cubic feet of cargo when the seats are folded. Under the hood, the 5.7-L V8 produces roughly 255 horsepower and around 330 lb-ft of torque, which gives it strong towing and pulling capability. Transmission is a 4-speed automatic, and fuel capacity is large—about 42 gallons—making it capable of long drives between stops. With rear-wheel drive or optional 4WD, it handles a variety of road conditions, though it’s at its best when loaded or on uneven terrain. The Suburban’s durability, spacious cabin, and strong aftermarket support make it an enduring and capable choice even decades after its release.