For 2001, GMC tweaked and lightened the strongest V8 in its Yukon lineup to bump the horsepower up to 320. Otherwise, the full-size SUV didn't change too much from 2000. The Yukon comes in 5 trims: SLE, SLE 4WD, SLT, SLT 4WD, and Denali 4WD. The 2001 Yukon gives you 2 V8 engines: a 4.8 L, 275 hp and 6.0 L, 320 hp. Gas mileage comes out to 15 mpg in the city and 20 on the highway. This SUV has 4 doors, seats 6 or 8, and can tow up to a max of nearly 8000 lbs. to 8700 lbs., depending on the trim. Need cargo room? The Yukon has plenty with 105 cubic feet with the second row down and third row removed. Overall, drivers have come to like the two trademark features of the Yukon: capable V8 lineup and roomy interior although materials could use an upgrade. Regardless, the 2001 Yukon presents a solid and relatively inexpensive SUV that didn't change too much up until 2007.