I love this truck. I got it age 15 for a first truck. The trans (4L80E) went at 142,993 miles, when it lost reverse. Very comfortable truck, I do notice when I go over bumps, the bed seems to move seperate from the cab. The interior design is pretty good, though the middle seat does not fold down for an arm rest, and the rear seats are locking, which can be a pain.
This is the best vehicle I've ever owned. My first Chevy truck since '64 . My wife has a Toyota Sequoia, and I wouldn't trade my truck for two of hers. Great power, fantastic brakes, outstanding visibility. Best back seat of any make in 2000. Actually is tilted like a regular seat. 148,000 miles, been in the shop twice for minor concerns, doesnt use any oil, and still on original brakes. Average 13-14 mpg (16 hwy), which isn't bad for 300 HP and 365 FPS of torque. Pull a 4 horse goose neck, no problem, although it does better with 3 horses. My only mistake was only buying one. Should have bought two and put one up on blocks in storage!
Over four years now & 238,000 miles. I couldn't ask for a more reliable truck. Fuel pump, water pump, & the alternator were the only things needing replaced. Pretty good for that many miles! Comfortable, powerful, & it does everything I ask it to do. Best vehicle I've ever owned.
Gas milage is bad no matter what we have tried to do. Computer chip, air intake, dual exhaust, doesnt make a difference. Still only get 13 miles a gal. 8 miles a gal towing. Should have bought the 454 it gets same mileage and has more power.
Bought new, been in shop once for steering coupler at 40,000 miles. Currently have 142,000 miles. Again GM has put durability in trucks. Last truck was a1994 and put over 350,000 miles on it with minimal shop time. I've driven Fords and Dodge but they don't hold up to the country road driving like GM.