When most RV enthusiasts think of names synonymous with reliability, quality, and enduring value, Tiffin Motorhomes comes to mind. Founded in Red Bay, Alabama, Tiffin has been building motorhomes for decades with a reputation for luxury, smart design, and customer service that stands second to none. Among their long line of trusted models, the Allegro has always been a cornerstone—a motorhome built for travelers who wanted both comfort and performance at a fair price.
The 1999 Tiffin Allegro 33 with slide-out represents a sweet spot in the evolution of motorhomes. At 33 feet in length, it’s large enough to provide a spacious living environment, yet still maneuverable enough for campgrounds, state parks, and long highway stretches. The addition of a living room slide-out—still a relatively new innovation in the late 1990s—transformed the RV lifestyle, and the Allegro embraced it with style.
More than two decades later, the 1999 Allegro 33 remains a sought-after coach because it combines the solid build of Tiffin craftsmanship with a timeless floorplan that feels just as livable today as it did the year it rolled off the line. Let’s take an in-depth look at this motorhome, exploring its exterior, interior layout, driving performance, comfort systems, and lifestyle appeal.
The first impression of the 1999 Allegro 33 is one of timeless motorhome styling. Its aerodynamic profile, bold striping, and quality fiberglass exterior panels reflect the era but also showcase durability. Tiffin built this coach on a sturdy chassis, pairing practicality with good looks.
At 33 feet long and roughly 8.5 feet wide, the Allegro hits a balance between being roomy and being manageable on the road. It’s not an oversized diesel pusher, but it offers more than enough space for couples, retirees, or even small families looking to travel in comfort.
Slide-Out Room – The curbside slide expands the main living area, creating a spacious lounge and dining environment once parked.
Full Basement Storage – Pass-through and side compartments line the lower coach, providing ample room for camping gear, outdoor chairs, grills, and long-haul supplies.
Large Patio Awning – Extends the living space outdoors, providing shade and comfort for lounging or dining under the open sky.
Dual Entry Steps – Electric-powered steps make entry easy, even when the coach is raised.
Tinted Windows with Screens – Reducing UV glare while allowing natural light and fresh air to flow through.
Roof Ladder – Rear-mounted ladder gives access to the roof for maintenance and inspections.
Tow Hitch Receiver – Perfect for towing a small vehicle or carrying bike racks and cargo platforms.
The Allegro’s exterior was designed with practicality in mind. From its aerodynamic shape to its storage capabilities, every detail was crafted for extended travel.
One of the defining aspects of the 1999 Allegro 33 is its gasoline-powered Class A motorhome chassis. Built on a Ford F53 chassis, this model is typically powered by the Ford Triton V10 engine—a 6.8L powerhouse that was one of the most reliable gas RV engines of its time. Producing around 275 horsepower and strong torque, this motor delivers the muscle needed to push a fully loaded 33-foot coach down the highway with confidence.
Automatic Transmission – Smooth shifting for long-distance driving.
Power Steering and Brakes – Easy handling and responsive stopping power.
Cruise Control – Adds comfort during long stretches of interstate travel.
Hydraulic Leveling Jacks (Optional in 1999) – Simplifies campsite setup.
Rear Camera (Option on many models) – Helpful for backing into tight spots.
Behind the wheel, the Allegro feels stable and solid. While newer rigs may offer more technology, the 1999 Allegro still provides a dependable, straightforward driving experience that gets you where you want to go comfortably.
The addition of a living room slide-out in the 1999 Allegro 33 revolutionized its interior. When retracted, the slide keeps the coach fully functional, allowing access to the kitchen, bathroom, and bedroom. But once extended, it creates a large open living space that feels far more expansive than non-slide models of the era.
The interior décor of the Allegro combines warm wood cabinetry with neutral fabrics and soft lighting. While design trends have evolved since 1999, the layout and materials hold up well, especially in well-maintained models. Tiffin’s cabinetry, built with solid wood doors and quality hardware, has proven its longevity over the years.
Stepping through the entry door, you arrive in the living room. With the slide-out extended, the space feels bright and open, offering room to relax, entertain, or simply unwind after a day on the road.
Key Features:
Sofa (Hide-a-Bed) – Comfortable seating that converts into an additional bed for guests.
Swivel Recliner or Lounge Chair – Provides extra seating, positioned for TV viewing or reading.
Overhead Cabinets – Running the length of the slide, offering plenty of storage for books, electronics, and travel supplies.
Large Windows – Positioned on both sides to bring in natural light and scenic views.
This lounge area is perfect for both quiet evenings inside or hosting friends and family.
Adjacent to the sofa is the dinette booth, which comfortably seats four for meals or games. Like the sofa, the dinette converts into an extra sleeping space if needed, making the Allegro 33 capable of sleeping up to six people.
Overhead lighting and a large window make the dinette a cheerful spot for breakfast or planning the day’s adventures. Storage drawers beneath the benches add practicality.
The kitchen is compact yet efficient, offering all the essentials for preparing meals:
Three-Burner Gas Cooktop with Oven – Allows cooking full meals while camping.
Microwave Oven – Quick and easy reheating or snack preparation.
Double-Basin Sink with Cover Inserts – Expands counter space when not in use.
Two-Door Refrigerator/Freezer – Runs on propane and electric, perfect for long trips.
Plenty of Cabinetry and Drawers – Keeps kitchenware and food supplies organized.
The placement of the kitchen between the living room and bathroom creates a natural flow, making it central and accessible without cutting into lounge or bedroom space.
The bathroom is designed for convenience and privacy. Located mid-ship, it offers easy access whether you’re in the living room or bedroom.
Bathroom Features:
Shower with Glass Door and Skylight – A residential-style shower, roomy enough for most adults.
Toilet with Foot Flush – Simple and practical.
Vanity with Sink and Medicine Cabinet – Storage for personal items.
Wardrobe Closet (Across from Bathroom) – Extra space for clothes, towels, and linens.
The bathroom layout strikes a balance between compact design and usability, ensuring comfort without wasting space.
At the rear of the Allegro 33, the master bedroom provides a private and restful retreat.
Bedroom Features:
Queen Bed with Walk-Around Access – Comfortable and easy to get in and out of.
Wardrobe Closets and Overhead Cabinets – Abundant storage for clothing and personal items.
Windows on Both Sides – Allow for ventilation and natural light.
Space for TV – Prepped for a small bedroom entertainment system.
The separation from the living area gives the bedroom a quiet, cozy atmosphere, making it the perfect space to unwind.
The 1999 Allegro 33 comes equipped with all the necessary systems to keep life comfortable on the road:
Roof-Mounted Air Conditioning (13,500 BTU) – Keeps the coach cool during hot weather.
Ducted Furnace (30,000 BTU) – Provides heat during colder months.
6-Gallon Water Heater – Supplies hot water for the shower, sinks, and kitchen.
Fresh Water Tank (~60 gallons) – Large enough for extended dry camping.
Gray Water Tank (~45 gallons)
Black Water Tank (~45 gallons)
Onboard Generator (4kW Gas) – Provides electricity when shore power isn’t available.
With these systems, the Allegro is prepared for both campground hookups and boondocking adventures.
One of the Allegro’s strengths is storage. Between the full basement compartments outside and the cabinetry inside, you’ll have space for everything from outdoor camping gear to clothing, cookware, and personal items. The slide-out design doesn’t sacrifice storage, meaning you gain extra interior room without losing functionality.
The 1999 Tiffin Allegro 33 with slide-out is an excellent fit for many types of RVers:
Retired Couples – Spacious enough for extended trips, comfortable enough for full-time living.
Small Families – Sleeping capacity for up to six makes it suitable for family vacations.
First-Time Motorhome Owners – Manageable size with a straightforward design, easy to drive and maintain.
Long-Term Travelers – Storage, systems, and layout all support months on the road.
It’s a motorhome that balances size, features, and comfort—versatile enough for both weekend warriors and long-term adventurers.
What makes the 1999 Allegro 33 stand out even today is the Tiffin difference. Unlike many manufacturers of the era, Tiffin Motorhomes was—and still is—a family-owned company that prioritizes craftsmanship and customer support. Their coaches are known for quality cabinetry, durable build, and long-lasting performance.
Even after 25+ years, many Allegro coaches are still on the road, a testament to their construction. Owners often praise how “solid” the rig feels compared to competitors of the same vintage.
The 1999 Tiffin Allegro 33 with slide-out represents more than just a motorhome—it’s a symbol of Tiffin’s enduring commitment to comfort, quality, and practicality. With its reliable Ford V10 powertrain, spacious interior, comfortable lounge and bedroom, fully equipped kitchen, and functional bathroom, it remains a highly livable RV even decades later.
For those seeking a dependable Class A motorhome without the high price tag of newer models, the Allegro 33 offers tremendous value. It’s big enough to feel like home, small enough to manage, and built well enough to stand the test of time.
If you’re searching for a motorhome that combines classic design, reliable performance, and Tiffin’s legendary craftsmanship, the 1999 Allegro 33 Slide deserves a place at the top of your list. It’s not just an RV—it’s a trusted travel companion ready to create new memories on the open road.
Information and features are based on manufacturer data and may vary from the actual unit. Sonny’s RVs is not responsible for errors or omissions. Prices and availability may change without notice. Buyers must verify all details, features, and conditions with a Sonny’s RVs sales representative before purchase.
| Stock # | C99-8986 |
| Location | Sonnys RVS |
| Year | 1999 |
| Make | TIFFIN |
| Model | ALLEGRO |
| Trim | 33 SLIDE |
| Condition | USED |
| Status | In Stock |
When most RV enthusiasts think of names synonymous with reliability, quality, and enduring value, Tiffin Motorhomes comes to mind. Founded in Red Bay, Alabama, Tiffin has been building motorhomes for decades with a reputation for luxury, smart design, and customer service that stands second to none. Among their long line of trusted models, the Allegro has always been a cornerstone—a motorhome built for travelers who wanted both comfort and performance at a fair price.
The 1999 Tiffin Allegro 33 with slide-out represents a sweet spot in the evolution of motorhomes. At 33 feet in length, it’s large enough to provide a spacious living environment, yet still maneuverable enough for campgrounds, state parks, and long highway stretches. The addition of a living room slide-out—still a relatively new innovation in the late 1990s—transformed the RV lifestyle, and the Allegro embraced it with style.
More than two decades later, the 1999 Allegro 33 remains a sought-after coach because it combines the solid build of Tiffin craftsmanship with a timeless floorplan that feels just as livable today as it did the year it rolled off the line. Let’s take an in-depth look at this motorhome, exploring its exterior, interior layout, driving performance, comfort systems, and lifestyle appeal.
The first impression of the 1999 Allegro 33 is one of timeless motorhome styling. Its aerodynamic profile, bold striping, and quality fiberglass exterior panels reflect the era but also showcase durability. Tiffin built this coach on a sturdy chassis, pairing practicality with good looks.
At 33 feet long and roughly 8.5 feet wide, the Allegro hits a balance between being roomy and being manageable on the road. It’s not an oversized diesel pusher, but it offers more than enough space for couples, retirees, or even small families looking to travel in comfort.
Slide-Out Room – The curbside slide expands the main living area, creating a spacious lounge and dining environment once parked.
Full Basement Storage – Pass-through and side compartments line the lower coach, providing ample room for camping gear, outdoor chairs, grills, and long-haul supplies.
Large Patio Awning – Extends the living space outdoors, providing shade and comfort for lounging or dining under the open sky.
Dual Entry Steps – Electric-powered steps make entry easy, even when the coach is raised.
Tinted Windows with Screens – Reducing UV glare while allowing natural light and fresh air to flow through.
Roof Ladder – Rear-mounted ladder gives access to the roof for maintenance and inspections.
Tow Hitch Receiver – Perfect for towing a small vehicle or carrying bike racks and cargo platforms.
The Allegro’s exterior was designed with practicality in mind. From its aerodynamic shape to its storage capabilities, every detail was crafted for extended travel.
One of the defining aspects of the 1999 Allegro 33 is its gasoline-powered Class A motorhome chassis. Built on a Ford F53 chassis, this model is typically powered by the Ford Triton V10 engine—a 6.8L powerhouse that was one of the most reliable gas RV engines of its time. Producing around 275 horsepower and strong torque, this motor delivers the muscle needed to push a fully loaded 33-foot coach down the highway with confidence.
Automatic Transmission – Smooth shifting for long-distance driving.
Power Steering and Brakes – Easy handling and responsive stopping power.
Cruise Control – Adds comfort during long stretches of interstate travel.
Hydraulic Leveling Jacks (Optional in 1999) – Simplifies campsite setup.
Rear Camera (Option on many models) – Helpful for backing into tight spots.
Behind the wheel, the Allegro feels stable and solid. While newer rigs may offer more technology, the 1999 Allegro still provides a dependable, straightforward driving experience that gets you where you want to go comfortably.
The addition of a living room slide-out in the 1999 Allegro 33 revolutionized its interior. When retracted, the slide keeps the coach fully functional, allowing access to the kitchen, bathroom, and bedroom. But once extended, it creates a large open living space that feels far more expansive than non-slide models of the era.
The interior décor of the Allegro combines warm wood cabinetry with neutral fabrics and soft lighting. While design trends have evolved since 1999, the layout and materials hold up well, especially in well-maintained models. Tiffin’s cabinetry, built with solid wood doors and quality hardware, has proven its longevity over the years.
Stepping through the entry door, you arrive in the living room. With the slide-out extended, the space feels bright and open, offering room to relax, entertain, or simply unwind after a day on the road.
Key Features:
Sofa (Hide-a-Bed) – Comfortable seating that converts into an additional bed for guests.
Swivel Recliner or Lounge Chair – Provides extra seating, positioned for TV viewing or reading.
Overhead Cabinets – Running the length of the slide, offering plenty of storage for books, electronics, and travel supplies.
Large Windows – Positioned on both sides to bring in natural light and scenic views.
This lounge area is perfect for both quiet evenings inside or hosting friends and family.
Adjacent to the sofa is the dinette booth, which comfortably seats four for meals or games. Like the sofa, the dinette converts into an extra sleeping space if needed, making the Allegro 33 capable of sleeping up to six people.
Overhead lighting and a large window make the dinette a cheerful spot for breakfast or planning the day’s adventures. Storage drawers beneath the benches add practicality.
The kitchen is compact yet efficient, offering all the essentials for preparing meals:
Three-Burner Gas Cooktop with Oven – Allows cooking full meals while camping.
Microwave Oven – Quick and easy reheating or snack preparation.
Double-Basin Sink with Cover Inserts – Expands counter space when not in use.
Two-Door Refrigerator/Freezer – Runs on propane and electric, perfect for long trips.
Plenty of Cabinetry and Drawers – Keeps kitchenware and food supplies organized.
The placement of the kitchen between the living room and bathroom creates a natural flow, making it central and accessible without cutting into lounge or bedroom space.
The bathroom is designed for convenience and privacy. Located mid-ship, it offers easy access whether you’re in the living room or bedroom.
Bathroom Features:
Shower with Glass Door and Skylight – A residential-style shower, roomy enough for most adults.
Toilet with Foot Flush – Simple and practical.
Vanity with Sink and Medicine Cabinet – Storage for personal items.
Wardrobe Closet (Across from Bathroom) – Extra space for clothes, towels, and linens.
The bathroom layout strikes a balance between compact design and usability, ensuring comfort without wasting space.
At the rear of the Allegro 33, the master bedroom provides a private and restful retreat.
Bedroom Features:
Queen Bed with Walk-Around Access – Comfortable and easy to get in and out of.
Wardrobe Closets and Overhead Cabinets – Abundant storage for clothing and personal items.
Windows on Both Sides – Allow for ventilation and natural light.
Space for TV – Prepped for a small bedroom entertainment system.
The separation from the living area gives the bedroom a quiet, cozy atmosphere, making it the perfect space to unwind.
The 1999 Allegro 33 comes equipped with all the necessary systems to keep life comfortable on the road:
Roof-Mounted Air Conditioning (13,500 BTU) – Keeps the coach cool during hot weather.
Ducted Furnace (30,000 BTU) – Provides heat during colder months.
6-Gallon Water Heater – Supplies hot water for the shower, sinks, and kitchen.
Fresh Water Tank (~60 gallons) – Large enough for extended dry camping.
Gray Water Tank (~45 gallons)
Black Water Tank (~45 gallons)
Onboard Generator (4kW Gas) – Provides electricity when shore power isn’t available.
With these systems, the Allegro is prepared for both campground hookups and boondocking adventures.
One of the Allegro’s strengths is storage. Between the full basement compartments outside and the cabinetry inside, you’ll have space for everything from outdoor camping gear to clothing, cookware, and personal items. The slide-out design doesn’t sacrifice storage, meaning you gain extra interior room without losing functionality.
The 1999 Tiffin Allegro 33 with slide-out is an excellent fit for many types of RVers:
Retired Couples – Spacious enough for extended trips, comfortable enough for full-time living.
Small Families – Sleeping capacity for up to six makes it suitable for family vacations.
First-Time Motorhome Owners – Manageable size with a straightforward design, easy to drive and maintain.
Long-Term Travelers – Storage, systems, and layout all support months on the road.
It’s a motorhome that balances size, features, and comfort—versatile enough for both weekend warriors and long-term adventurers.
What makes the 1999 Allegro 33 stand out even today is the Tiffin difference. Unlike many manufacturers of the era, Tiffin Motorhomes was—and still is—a family-owned company that prioritizes craftsmanship and customer support. Their coaches are known for quality cabinetry, durable build, and long-lasting performance.
Even after 25+ years, many Allegro coaches are still on the road, a testament to their construction. Owners often praise how “solid” the rig feels compared to competitors of the same vintage.
The 1999 Tiffin Allegro 33 with slide-out represents more than just a motorhome—it’s a symbol of Tiffin’s enduring commitment to comfort, quality, and practicality. With its reliable Ford V10 powertrain, spacious interior, comfortable lounge and bedroom, fully equipped kitchen, and functional bathroom, it remains a highly livable RV even decades later.
For those seeking a dependable Class A motorhome without the high price tag of newer models, the Allegro 33 offers tremendous value. It’s big enough to feel like home, small enough to manage, and built well enough to stand the test of time.
If you’re searching for a motorhome that combines classic design, reliable performance, and Tiffin’s legendary craftsmanship, the 1999 Allegro 33 Slide deserves a place at the top of your list. It’s not just an RV—it’s a trusted travel companion ready to create new memories on the open road.
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| Class | Class A Motorhome |
| Other Specifications |
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| Hot Deals |
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