We've had our HTT since 2007 and love it. Many happy memories! We are from the PNW and so we've been thru downpours, blazing sun (100+ degrees) and freezing weather (below 30) and haven't had any issues. We've even pulled it through a trip thru the SW (3,000+ mile trip). Care for it and it will pose no more issues than any other trailer (manufacturing issues aside).
With the tow vehicle you have, I'd think the HTT would be more in the zone of capability than the trailer, especially with four people. But I haven't compared the specs of your vehicle and the two different trailers.
My two cents.