This is Entegra's flagship, and the Cornerstone Reserve 45D wears that title well. Power comes from a 605 HP Cummins X15 paired with an Allison 4,000 MH transmission on a Spartan K3 raised-rail chassis, with a passive-steer tag axle and air leveling to smooth out the miles. Inside, you get Aqua-Hot hydronic in-floor heat throughout, a Victron 3,000W inverter backed by AGM batteries and solar, and a 43" Samsung QLED 4K TV with a JBL soundbar in the living area. Owners consistently praise the upscale materials and comfort, and options like theater seating or a 74" sofa, a dinette booth, and a dishwasher let you tailor the layout to how you actually live on the road.
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Other class a motorhomes floor plans (around 44 ft 11 in), similar in size and price to the Cornerstone Reserve 45D.
