2026 Entegra Coach Cornerstone 45D

MSRP $1,012,705. All New 2026 Entegra Cornerstone Model 45D Bath & 1/2 is approximately 44 feet 11 inches in length and rides on a Spartan K3 tag axle chassis with IFS featuring Entegra’s exclusive X-Bridge framing, powered by a Cummins 15-liter ISX turbocharged 605HP engine 1,950 lb. ft. torque at 1,150 RPM, an Allison 4000 series transmission and is backed by Entegra Coach's superior 2-Year/24K Mile Limited Coach & 5-Year Limited Structural Warranties. Optional equipment on this RV includes the blackout package, onyx white polished tile, double sink. New for 2026 on the cornerstone is the larger square-shaped windows with wood framed valances and a leather accent, LED strip lighting in bed base and under the sofa/dinette cabinets, soft-closing, dovetail-constructed drawers with magnetic catches, upgraded tile work in the entry well, GE convection microwave with air fry and larger Samsung Smart TV in the bedroom. A few of the impressive standards include Collision avoidance system with collision warning, adaptive cruise control and electronic stability control, Equalizer™ hydraulic automatic coach leveling, Onan® 12,500-watt diesel generator, with automatic start, on powered slide-out tray, Aqua-Hot® 600D hydronic water and heating system with in-floor heat throughout and engine preheat, Aqua View Showermi$er with “GREEN” technology saves fresh water, Dual roof-mounted Girard® Vision dual-pitched patio awnings with LED lights, Xite™ 360° HD digital camera system, E-Z Steer™ adjustable power steering assist, Villa® heated and cooled leather driver and passenger seats with powered 6-way adjustment, lumbar, recline, footrest and massage functions, Firefly multiplex system with 10” VegaTouch touchscreen for complete integration of coach controls, Hand-laid porcelain tiled floors, Powered solar day and blackout night shades, Induction cooktop with matching wood cover, Solid-surface countertops, Select Comfort® Sleep Number® King-size mattress and much more. **Unit Not California CARB Compliant and Cannot be Registered in California**. Shop a huge selection of luxury diesel pusher motorhomes all at 1 location! Choose from American Coach Eagle – Dream – Entegra Coach Cornerstone – Anthem – Aspire – Fleetwood Palisade – Discovery LXE – Holiday Rambler Armada – Foretravel Realm – Foretravel Realm Presidential and more. We also buy and sell quality pre-owned models such Newmar King Aire – Essex – London Aire – Mountain Aire – Dutch Star - Tiffin Zephyr – Allegro Bus – Phaeton – Prevost Liberty Lady – Millennium - Marathon – Newell and much more. Visit for our complete line-up and the sale prices that have made us the #1 volume selling motor home dealership in the world 12 years in a row! For additional details on this unit and our entire inventory including brochures, window sticker, videos, photos, reviews & testimonials as well as additional information about Motor Home Specialist and our manufacturers please visit us at or call 800-335-6054. At Motor Home Specialist, we DO NOT charge any prep or orientation fees like you will find at other dealerships. All sale prices include a 200-point inspection, interior & exterior wash, detail service and a fully automated high-pressure rain booth test and coach wash that is a standout service unlike that of any other in the industry. You will also receive a thorough coach orientation with an MHSRV technician, a night stay in our delivery park featuring landscaped and covered pads with full hook-ups and much more! Read Thousands upon Thousands of 5-Star Reviews at and See What They Had to Say About Their Experience at Motor Home Specialist. WHY PAY MORE? WHY SETTLE FOR LESS?