
2026 Cornerstone Reserve — 45' 5" | 1 Floorplan | Sleeps up to 4
| Exterior Length | 45' 5" |
| No. of Floorplans | 1 |
| Sleep Up To | 4 |
| Chassis | Spartan® K3 raised-rail chassis |
| Transmission | Allison® 4,000 MH 6-speed transmission |
| Tires | Michelin® 365/70R 22.5 in. tires (front) and 315/80R 22.5 in. tires (rear) |
| Traction Control | Automatic traction control |
| Fuel Tank | 175 gal. fuel tank with dual fills |
| DEF Tank | 15 gal. DEF tank with dual fills |
| Hitch | 20,000 lb. hitch with 7-pin plug |
| Brakes | All-wheel ABS disc brakes |
| TPMS | Tire pressure monitoring system (TPMS) with temperature monitoring |

Premium luxury diesel pusher with meticulous attention to detail throughout every design element representing a new level of coach luxury.
Only 20 coaches produced — the Cornerstone Reserve is a rare masterpiece that elevates exclusivity to a new standard.
605 HP with 1,950 lb. ft. torque at 1,150 RPM, paired with a three-stage engine brake for confident, commanding performance.
Collision avoidance with adaptive cruise control, electronic stability control, and all-wheel ABS disc brakes work together for unwavering confidence on every road.
Independent front suspension, custom-tuned shocks, integrated anti-sway bar, and a passive-steer tag axle deliver the smooth, quiet ride our coaches are known for.
Available in Darknite Blue and Darknite Red, the Cornerstone Reserve commands attention with bold, sophisticated styling.
Stonewall Matte Grey Maple cabinetry and the Luxe decor package reflect our unwavering commitment to craftsmanship and old-world artistry.
Find a dealer near you and experience the craftsmanship, comfort, and innovation of Entegra Coach in person.
Cornerstone Reserve / 45D
Cornerstone Reserve Interior
Cornerstone Reserve Exterior in Darknite Blue
Cornerstone Reserve Front Exterior
Cornerstone Reserve Rear Exterior
Darknite Blue
Darknite Red
Luxe Decor
Stonewall Matte Grey Maple