New 2026 Entegra Coach Cornerstone 45B Motor Home Class A - Diesel
No Prep or Freight Fees, Free Loaner Car, On Site Camping. #1 Dealership 12 Years in a Row! Call today 800-335-6054
View all Cornerstone Floorplans
2026 45B Features and Options
MSRP $997,269. All New 2026 Entegra Cornerstone Model 45B Bath & 1/2 is approximately 44 feet 11 inches in length and rides on a Spartan K3 tag axle chassis with IFS featuring Entegra’s exclusive X-Bridge framing, powered by a Cummins 15-liter ISX turbocharged 605HP engine 1,950 lb. ft. torque at 1,150 RPM, an Allison 4000 series transmission and is backed by Entegra Coach's superior 2-Year/24K Mile Limited Coach & 5-Year Limited Structural Warranties. New for 2026 on the cornerstone is the larger square-shaped windows with wood framed valances and a leather accent, LED strip lighting in bed base and under the sofa/dinette cabinets, soft-closing, dovetail-constructed drawers with magnetic catches, upgraded tile work in the entry well, GE convection microwave with air fry and larger Samsung Smart TV in the bedroom. Optional equipment on this RV includes the blackout package, polished tile flooring and double lav sink. A few of the impressive standards include Collision avoidance system with collision warning, adaptive cruise control and electronic stability control, Equalizer™ hydraulic automatic coach leveling, Onan® 12,500-watt diesel generator, with automatic start, on powered slide-out tray, Aqua-Hot® 600D hydronic water and heating system with in-floor heat throughout and engine preheat, Aqua View Showermi$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 MHSRV.com 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 MHSRV.com 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 MHSRV.com and See What They Had to Say About Their Experience at Motor Home Specialist. WHY PAY MORE? WHY SETTLE FOR LESS?
What Our Customers Are Saying
Stopped in cuz steps wouldn’t retract fully and was having problems with water heater. They were really booked, but took time to help us so we could get on the road again very nice people. - Rae
Blue Compass RV
Location: Alvarado TX
Stock# MHS43176
Location: Alvarado TX
Stock# MHS43176
Exterior Color: Midnight W/ Black Wheels
Interior Color: Bianco, Onyx White & Stonewall Gray
Stock# MHS43176
Exterior Color: Midnight W/ Black Wheels
Interior Color: Bianco, Onyx White & Stonewall Gray
To get help now on this RV, call and enter the RV ID if prompted.
2026 45B Specifications
| Length | 44 ft |
| Interior Color | Bianco, Onyx White & Stonewall Gray |
| Exterior Color | Midnight W/ Black Wheels |
| VIN | 4UZFCTFG8TCWK7373 |
For more information
Contact Us
Cornerstone 45B Reviews
Be the first to tell other RVers what you think about this RV Write a Review
Similar RVs and Floorplans
Loading
.
Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

