Based on the Silverado pickup truck, Chevrolet’s full-size Tahoe is the less-gargantuan kid brother of the king-size Suburban. GMC produces a near-twin called the Yukon, and both models compete against the Ford Expedition and Lincoln Navigator., , Chevrolet and GMC last reworked their full-size models for 2000. A Premium Ride suspension is standard for 2002, except in the Z71 edition. New preferred-equipment groups are available, and the LS gains some standard items that include assist steps, six-way power seats, fog lamps and heated mirrors., , Available on the 4x4 LS, a Z71 Off-Road Package includes a firmer suspension, 17-inch tires, tubular side steps, wheel flares and lower-body moldings. The Z71 also gets color-keyed mirrors, bumpers and grille, and GM’s OnStar communication system. OnStar is standard on the top-of-the-line LT and optional on the LS.