2018 Tiffin Allegro Bus 40SP

2018 Tiffin Allegro Bus 40SP 40' Class A Motorhome. Cummins ISL9 450HP Luxury Diesel Pusher. 4 Slide Outs, 2 Awnings, 3 A/C Units, Sleeps 4.

This 2018 Tiffin Allegro Bus 40SP is a luxury Class A diesel pusher built on the rugged Powerglide Chassis and powered by a Cummins ISL9 450HP engine with 1,250 lb-ft torque paired to an Allison 6-speed automatic transmission. With exceptional construction, elegant residential finishes, and extensive upgrades including 1,220W solar power and ten AGM house batteries, this coach is built for both resort-style living and extended off-grid adventures.

Non-Smoking, Pet-Free, and Stored Indoors since 2022, this Allegro Bus has been meticulously maintained.

(FULL EXTENSIVE LIST OF DETAILS IN PHOTO GALLERY)

Transmission: Allison 3000MH 6-Speed Automatic (#1S6511463135)
Chassis: Tiffin Powerglide with ZF front suspension & Dana 24K rear axle
Generator: Onan 10kW Diesel Generator

Exterior Highlights
Full-body Maroon Coral paint with protective front film
Paramount automatic patio and door awnings + window awnings
Dual fuel fills, exterior entertainment center w/ LG patio TV
Rear roof ladder, custom mud flap, exterior lighting package
Pass-through basement storage with powered trays
Powered reels for 50A shore cord & water hose
On-The-Go double standard water softener included

Interior Luxury
1.5 baths including a spa-inspired rear master bath
Heated porcelain tile floors throughout
Central vacuum w/ kickplate dustpan
Ultra-leather hide-a-bed sofa, computer workstation, decorative lighting

Kitchen
Maytag residential refrigerator w/ ice & water dispenser
Fisher Paykel dishwasher (remote control)
Sharp convection microwave/oven
2-burner True Induction cooktop with solid surface covers
Expandable kitchen island + floor-to-ceiling pantry

Bedroom & Bath
King-size memory foam bed with power lift
LG bedroom TV, ceiling fan, entertainment cabinet, under-bed storage

Rear master bath: solid surface shower w/ seat, double vanities, macerator toilet, Splendide washer/dryer
Half bath: marine toilet, vanity, storage, and lighting

Entertainment & Electronics
Hisense TV w/ Bose Soundbar (new in 2025, living room)
Multiple LG TVs (front, bedroom, patio)
In-motion satellite dish (never used) + Winegard system
Blu-ray player, CD player, satellite radio (subscription req.)
JBL ceiling speakers (require troubleshooting)
Spyder Multiplex Control System for lighting, HVAC, slides, shades, generator, and monitoring tanks/batteries

Extras & Included Equipment
Blue Ox towing package with Break-Buddy tow brake system
Starlink equipment package available (dish, modem, cabling, rear ladder mount)
On-The-Go water softener system
Spare porcelain floor tiles

Condition & Care
No smoking, no pets ever
Indoor stored since 2022
Professionally maintained with records available
Fresh interior finishes and appliances upgraded as recently as 2025

This 2018 Tiffin Allegro Bus 40SP blends luxury residential amenities with serious travel capability, making it equally at home in a resort RV park or on extended boondocking adventures.

This 2018 Tiffin Motorhomes Allegro Bus is located in Green Valley, Arizona. Please call 1-800-320-9557 and mention listing id: 178820.