2023 Entegra Coach Cornerstone 45D, The Cornerstone 45W is Entegra's crown jewel a full-on luxury diesel pusher that owners consistently compare to driving a big sports car, thanks to its 605 HP Cummins engine and Spartan K3 chassis delivering that famously smooth, quiet ride. At 16,839 miles, this one is barely broken in, and at $429,999 it represents serious value against a new sticker that pushes past $960,000. Inside, you're looking at Italian leather, meticulous craftsmanship, and a residential feel that makes extended travel or full-timing genuinely comfortable washer/dryer included. The rear bath layout keeps living space open and flowing, and the outdoor entertainment setup means the fun doesn't stop when you park. If you've been shopping at this level, you already know what Entegra's build quality means. This is the one to come see at RV Select in Seffner, FL.