We are selling our 06 GMC. Its a crew cab short bed, 1500 HD. It has 8 lug wheels and heavy duty suspension. It has the 6.0 and is dual fuel runs on cng as well. It has 110,000 miles on it. Has been maintained very well since new. Cng right now is running around $1.60 per gallon so it is a big money saver. Asking high book because of the cng conversion. This truck is in excellent condition $18,500.