This summary is of a vehicle listing for a 2001 GMC Sierra 1500 Extended Cab pickup truck with the 4.8L engine that gets 17-18 mpg. The seller states they have kept the truck well-maintained by replacing major components like the brakes, alternator, fuel pump, and differential fluid and cover within the past two years. The truck has air conditioning, power windows and locks, AM/FM/CD player, and cruise control. The interior is described as very clean with no rips or tears. The seller is asking for offers on the truck.