I bought a 2003 model brand new and drove it just shy of 10 years. 2wd extended cab.
Aside from the valve train getting loud on cool mornings around 100k, it was a pretty good engine. When it comes to pulling anything, it left a lot to be desired.
The best mileage I ever recall seeing was 21 MPG on an all interstate trip. It was good for around 17-18 with typical driving.

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