My last two were DP's. Our new one is gas, 2015 Newmar Canyon Star 3610. The newer gas units have plenty of power to handle the hills and the ride is very good. They have come a long ways since my last one. We take several short trips a year and couldn't justify the cost of a DP and the mileage is close to the same as a DP. If your basing you choice on mileage, you probably won't live long enough to recover the cost difference. The last new gasser I bought was a 1994 Coachman Santara. Even back then It had no problem pulling a 32" trailer through the mountains. Without the trailer I could stay with most DP's on a hill.
