2026 Entegra Coach Cornerstone 45B

MSRP $996,962. All New 2026 Entegra Cornerstone Model 45B Bath & 1/2 is approximately 44 feet 11 inches in length and rides on a Spartan K3 tag axle chassis with IFS featuring Entegra’s exclusive X-Bridge framing, powered by a Cummins 15-liter ISX turbocharged 605HP engine 1,950 lb. ft. torque at 1,150 RPM, an Allison 4000 series transmission and is backed by Entegra Coach's superior 2-Year/24K Mile Limited Coach & 5-Year Limited Structural Warranties. New for 2026 on the cornerstone is the larger square-shaped windows with wood framed valances and a leather accent, LED strip lighting in bed base and under the sofa/dinette cabinets, soft-closing, dovetail-constructed drawers with magnetic catches, upgraded tile work in the entry well, GE convection microwave with air fry and larger Samsung Smart TV in the bedroom. Optional equipment on this RV includes the blackout chassis, blackout appearance, polished tile flooring and double lav sink. A few of the impressive standards include Collision avoidance system with collision warning, adaptive cruise control and electronic stability control, Equalizer™ hydraulic automatic coach leveling, Onan® 12,500-watt diesel generator, with automatic start, on powered slide-out tray, Aqua-Hot® 600D hydronic water and heating system with in-floor heat throughout and engine preheat, Aqua View Showermi$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?