2016 Cornerstone

Experience excellence

Crafting a luxury coach is an art—and the Cornerstone is our masterpiece. In it, power meets opulence for a combination that’s sure to turn heads. In fact, the only thing more invigorating than the journey itself is the attention you’ll draw in the process.

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Ward = wardrobe

Lav = bathroom sink

Med = medicine cabinet

Ohc = overhead cabinets

Fridge = refrigerator

Micro = microwave

Exterior Graphics

Standards & Options


Chassis Spartan K3 raised rail chassis
Engine Cummins 15 liter ISX turbocharged 600 HP engine 1,950 lb-ft torque at 1,200 RPM
Transmission Allison 4000 MH 6-speed transmission
Engine Block Heater 1,500 watt engine block heater
Front Suspension Reyco Granning IFS independent front air suspension
Rear Suspension Ridewell tag axle suspension; Hadley air leveling system
Front Axle Reyco Granning front axle 20,000-lb. wide track
Rear Axle Meritor rear axle 20,000-lb., tag axle 14,000-lb.
Rear Axle Ratio 4.30 “Quiet-Gear” rear axle ratio
Hitch 20,000-lb. hitch with 7/4-pin plug
Tag Axle Tag axle air dump
Radiator Side-mounted radiator
Braking System All-wheel ABS brakes
Traction Control Automatic Traction Control
Bilstein Shocks Bilstein shocks - 60MM in front and 46MM on rear tag
Fuel Tank 150-gal. fuel tank (dual fill)
DEF Tank 15-gallon DEF tank with easy fill door
Tires Michelin 365/70R 22.5" tires (Front) + 315/80R 22.5" tires (Rear
Turning Radius 55-degree turning radius
Chassis Battery 2
Alternator 210-amp alternator
Air Connection Remote air connection


Frame X-Bridge frames welded into chassis frame
Underbelly Enclosed, insulated and heated floor, and thermostat controlled heating in storage area
Insulation Insulation with reflective Flexfoil floor (R-33), roof (R-24), sidewalls (R-16), front and rear caps (R-22)
Floor 2" x 4" floor truss construction
Floor Decking 3/4" 7-ply plywood main floor decking
Walls Aluma-Tru Superstructure construction on 12"-16" centers
Exterior Walls 2-1/2" exterior wall with welded tubular aluminum construction and high-gloss, gel-coat fiberglass
Slideouts Flush-mounted electric-powered slideout rooms w/ remote control
Roof One-piece, gel-coat fiberglass, 4-1/2" arched aluminum truss roof; Fully decked with 3/8" plywood
Front Cap Steel-reinforced front cap and windshield frame

Heat, AC, Water & Power

Heating System Aqua-Hot 450 Diesel hydronic water and heating system with in-floor heat throughout
Air Conditioning 15,000-BTU low profile central A/Cs (3) with heat pump, digital thermostat, and roof to ground condensation drain tubes
Electrical Hookup 50-amp power cord with electric reel
Generator Onan 12,500-watt diesel generator with auto gen start on powered slide-out tray
Inverter 2,800-watt and 2,000-watt pure sine wave inverter
Batteries 6V glass mat batteries on sliding tray (8)
Power Management Surge protector transfer switch
Water Hose w/ Electric Reel Water hose w/ electric reel
Black Holding Tank Sprayer Black holding tank sprayer
Black Tank Management Macerator holding tank dump system w/ electric gate valves
Water Monitoring SeeLevel tank monitoring system
Water Filtration City and tank water filtration system
Winterization Drain System Winterizing drain system


Exterior 3M front protective film mask
Headlights LED high beam headlights and Xenon low beam headlights
LED Fog Lights LED fog lights
Daytime Running Lights Daytime running lights
LED Lights LED marker and turn lights the full length of the coach
LED Docking Lights LED docking lights
Accent Lights LED accent lights on underside of slideout rooms curbside
Keypad Handle Lighted grab handle with keypad system
Keyless Fob Keyless entry with key fob
Entrance Steps Deluxe concealed entry step
Entrance Door Aire-Secure travel locks for all passage doors
Door Awning Girard Vision dual pitched awning
Window Awnings Girard Ultra window shade awning and Ultra slide-out awnings
Patio Awnings Roof mounted Girard Vision dual pitched patio awning with LED lights
Mirrors Chrome, heated, remote control, side-view mirrors w/ integrated cameras
Windows Frameless, tinted, dual-pane, safety-glass windows
Exterior Entertainment Exterior 40" Samsung LED HDTV on TV bracket w/ extend and swivel arm and JBL multimedia stereo receiver with Bluetooth audio streaming
Utility Center Exterior utility center, heated and enclosed with system monitor panel
Cargo Features Powered slide-out cargo trays (2)
Satellite Dish Winegard in-motion satellite dome w/ prep for Trav'ler satellite dish
TV Antenna Winegard Rayzar powered TV antenna
Engine Door Power rear engine door
Rear Mudflap Full-width rear mudflap


Flooring Powered flush stepwell cover
Visors & Privacy Shade MCD powered front sun visors and privacy shade
Windshield Ultra-Vision one-piece wrap-around tinted windshield
Driver / Passenger Seats 8-way power, lumbar, heated, leather driver and passenger seats with integrated 3-point lap and shoulder safety belts
Steering / Driving Features VIP soft-touch, wood-grain, leather-wrapped, tilt and telescoping steering wheel w/ integrated controls for radio, cruise, and wipers
Monitoring System(s) Spartan Message Center with LCD display featuring: odometer, tachometer, fuel economy, fuel remaining, outside air temp., coolant temp., engine oil temp. and pressure, transmission temp., turbo boost pressure, air pressure, trip meter, speed and voltage
Infotainment System(s) Infotainment center with touch screen, Rand-McNally GPS navigation, Bluetooth, Sirius radio and tuner
Sound System JBL premium audio tuned 360-watt DSP amplifier and 11 speakers including subwoofer
Leveling System Hydraulic automatic leveling jack system
Power Features Battery boost system
Pedals Powered adjustable foot pedals
Cameras Color back-up camera and monitor system w/ side and rear view cameras
Trip Management System TripTek Information Center


Lighting System Multiplex controlled lighting system
Lighting LED recessed 12V lighting
Flooring High Gloss 12" x 24" porcelain tile with granite inlay design
Window Treatments Powered MCD solar day and black out night shades
Television - Living Room Samsung 50" 4K UHDTV (45B, 45A); Samsung 48" 4K UHDTV (45J, 45K, 45U)
Television - Front Overhead Samsung 32" LED HDTV in front overhead
Television - Bedroom Samsung 32" LED HDTV in bedroom
Sound - Living Room Bose CineMate 130 home theater system in living area
Sound - Bedroom Bose Solo 15 sound bar in bedroom
Furniture leather hide-a-bed(s)
Washer/Dryer Stackable washer and dryer
Central Vacuuming System Central vacuum system
Electric Fireplace LED lit electric fireplace


Kitchen Countertops LED lit quartz countertops with integrated stainless sink
Cabinet Extension Pullout cabinet extension with countertop
Kitchen Backsplash Porcelain tile backsplash with glass design inlays
Cutting Board Cutting board
Silverware Drawer Silverware drawer
Waste Basket Large deep drawer with waste basket
Dishwasher Dishwasher
Cooktop Flush mounted induction cooktop
Microwave Samsung 1.7 cu. ft. convection microwave oven
Refrigerator Samsung residential 23 cu. ft. refrigerator with ice maker and water dispenser


Bedroom Mattress / Bedding Tempur-Pedic Cloud Prima king size mattress
Ceiling Fan Ceiling fan
Bedroom Wardrobe Large cedar-lined wardrobe


Bathroom Countertop(s) LED lit quartz countertops with integrated sink(s)
Toilet Porcelain toilet
Bathroom Shower Door Frameless glass shower door
Bathroom Shower Porcelain tiled shower walls and floor w/ skylight
Bathroom Ventilation Power vent


Security System Security system with glass shatter sensors
Lights Motion sensor security lights (2)
Smoke Alarm Smoke alarm
Carbon Monoxide Detector Carbon monoxide alarm
Propane Alarm
Security Safe Security safe


Canadian Standards Optional
Satellite Dish - USA Winegard Trav'ler satellite dish - DIRECTV
Satellite Dish - CA Winegard Trav'ler satellite dish - Shaw Direct
Solar Solar panels (Dual-100 watt) w/Morningstar SunSaver Duo solar panel charge controller
Freezer 2.8 cu.ft. exterior freezer with slideout tray

Décor Options

Experience GRAMMY® and Oscar-winning audio technology that transforms your favorite music into award winning performances. The Cornerstone is luxuriously equipped with a JBL premium audio tuned 360-watt DSP amplifier hidden behind the dash and 11 speakers in 6 locations including subwoofer. Custom-tuned to each individual model, Entegra is proud to be the first luxury motorhome manufacturer to offer this deluxe system.

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Entegra Coach peace of mind

2-year warranty and 3-year roadside assistance

At Entegra Coach, excellence doesn’t end with our stunning interiors and superior craftsmanship. We back each luxury coach with the industry’s highest level of service—including a 2-year warranty and 3-year roadside assistance.

2-year warranty details

3-year roadside assistance details


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