Compare RV's
Select vehicles to compare their specifications
Year
2008
Year
2025
Parent Company
Tiffin Motorhomes, Inc.
Parent Company
Tiffin Motorhomes, Inc.
Generic Type (Primary)
Class A
Generic Type (Primary)
Class A
Make
Tiffin Motorhomes
Make
Tiffin Motorhomes
Display Name
Allegro Bus 40 QSP
Display Name
Zephyr 45 FZ
Manufacturer Country
USA
Manufacturer Country
USA
Regional Availability
All Regions
Regional Availability
All Regions
Introduction Year
-
Introduction Year
2023
Price
Standard
Price
Standard
Basic Warranty (Miles/Months)
12000 / 12
Basic Warranty (Miles/Months)
12000 / 12
Structure Warranty (Months)
120
Structure Warranty (Months)
120
Roof Warranty (Years)
10
Roof Warranty (Years)
10
Chassis Warranty (Months/Miles)
36 / 50000
Chassis Warranty (Months/Miles)
-
Powertrain Warranty (Months/Miles)
36 / 50000
Powertrain Warranty (Months/Miles)
-
Chassis Warranty (Months/Miles/Kilometers)
-
Chassis Warranty (Months/Miles/Kilometers)
60 / 100000 / 160934
Powertrain Warranty (Months/Miles/Kilometers)
-
Powertrain Warranty (Months/Miles/Kilometers)
60 / 100000 / 160934
Engine
Standard
Engine
Standard
Engine Brand Name
Cummins
Engine Brand Name
Cummins
Chassis Brand
Tiffin
Chassis Brand
Freightliner
Engine Type
I6 Diesel Pusher
Engine Type
I6 Diesel Pusher
Chassis Model
Powerglide
Chassis Model
Powerglide
Cylinders
6
Cylinders
6
Horsepower RPM
2000
Horsepower RPM
1800
Torque RPM
1300
Torque RPM
1200
Turbocharged
Yes
Turbocharged
Yes
Supercharged
No
Supercharged
No
Fuel Type
Diesel
Fuel Type
Diesel
Fuel Requirements
Regular
Fuel Requirements
Regular
Carburetion
Standard
Carburetion
Standard
Carburetion Type
Fuel Injected
Carburetion Type
Fuel Injected
Horsepower (bhp)
425
Horsepower (bhp)
605
Torque (Nm)
1627
Torque (Nm)
2643.8
Displacement (l)
8.9
Displacement (l)
15
Transmission
Standard
Transmission
Standard
Transmission Brand
Allison
Transmission Brand
Allison
Transmission Type
Automatic
Transmission Type
Automatic
Number Of Speeds
6
Number Of Speeds
6
Overdrive
Yes
Overdrive
Yes
Driveline Type
4X2
Driveline Type
4X2
Dimensions
Standard
Dimensions
Standard
Weight
Standard
Weight
Standard
Capacities
Standard
Capacities
Standard
Holding Tanks
Standard
Holding Tanks
Standard
Number Of Fresh Water Holding Tanks
1
Number Of Fresh Water Holding Tanks
1
Number Of Gray Water Holding Tanks
1
Number Of Gray Water Holding Tanks
1
Number Of Black Water Holding Tanks
1
Number Of Black Water Holding Tanks
1
Number Of Propane Tanks
1
Number Of Propane Tanks
-
Length (in/mm/ft/m)
484 / 12300 / 40.33 / 12.3
Length (in/mm/ft/m)
540 / 13700 / 45 / 13.7
Width (in/mm)
101 / 2565.4
Width (in/mm)
101 / 2565.4
Height (in/mm)
151 / 3835.4
Height (in/mm)
160 / 4064
Interior Height (in/mm)
84 / 2133.6
Interior Height (in/mm)
83 / 2108.2
Dry Weight (lbs/kg)
30160 / 13680.6
Dry Weight (lbs/kg)
-
Payload Capacity (lbs/kgs)
5440 / 2467.6
Payload Capacity (lbs/kgs)
-
Towing Capacity (lbs/kgs)
10000 / 4536
Towing Capacity (lbs/kgs)
20000 / 9072
GVWR (lbs)
35600
GVWR (lbs)
-
Fuel Capacity (gal/l)
150 / 567.8
Fuel Capacity (gal/l)
150 / 567.8
Total Fresh Water Tank Capacity (gal/l)
90 / 340.7
Total Fresh Water Tank Capacity (gal/l)
100 / 378.5
Total Gray Water Tank Capacity (gal/l)
46 / 174.1
Total Gray Water Tank Capacity (gal/l)
100 / 378.5
Total Black Water Tank Capacity (gal/l)
70 / 265
Total Black Water Tank Capacity (gal/l)
55 / 208.2
Propane Tank (s)
Standard
Propane Tank (s)
-
Total Propane Tank Capacity (gal/lbs)
35 / 148.4
Total Propane Tank Capacity (gal/lbs)
-
Wheelbase (in/mm)
-
Wheelbase (in/mm)
316 / 8026.4
Storage Capacity (cuft/gal/l)
-
Storage Capacity (cuft/gal/l)
237 / 1523.6 / 6710.9
Construction
Standard
Construction
Standard
Body Material
Aluminum
Body Material
Aluminum
Sidewall Construction
Fiberglass
Sidewall Construction
Fiberglass
Number of Doors
1
Number of Doors
1
Sliding Glass Door
No
Sliding Glass Door
No
Slideouts
Standard
Slideouts
Standard
Number of Slideouts
4
Number of Slideouts
3
Power Retractable Slideout
Yes
Power Retractable Slideout
Yes
Awning
Standard
Awning
Standard
Number of Awnings
1
Number of Awnings
2
Power Retractable Awning
Yes
Power Retractable Awning
Yes
Screened Room
No
Screened Room
No
Slideout Awning
Standard
Slideout Awning
Standard
Leveling Jacks
Standard
Leveling Jacks
Standard
Leveling Jack Type
Front Power / Rear Power
Leveling Jack Type
Front Power / Rear Power
Power Retractable Entry Steps
Standard
Power Retractable Entry Steps
Standard
Sky Light
Standard
Sky Light
Standard
Roof Vents
Standard
Roof Vents
Standard
Exterior Ladder
Standard
Exterior Ladder
Standard
Pass-Thru Storage
Standard
Pass-Thru Storage
Standard
Exterior Shower
-
Exterior Shower
Standard
Exterior Grille
-
Exterior Grille
Optional
Kitchen / Living Area
Standard
Kitchen / Living Area
Standard
Kitchen / Living Area Flooring Type
Carpet / Tile
Kitchen / Living Area Flooring Type
Tile
Kitchen Table Configuration
Bench Seats
Kitchen Table Configuration
Chairs
Kitchen Location
Center
Kitchen Location
Center
Living Area Location
Front
Living Area Location
Front
Layout
Oven / Stove
Layout
Oven / Stove
Number Of Oven Burners
2
Number Of Oven Burners
2
Overhead Fan
Yes
Overhead Fan
Yes
Microwave Oven
Standard
Microwave Oven
Standard
Refrigerator
Standard
Refrigerator
Standard
Refrigerator Size
Full-Size
Refrigerator Size
Full-Size
Refrigerator Power Mode
Electric / Propane
Refrigerator Power Mode
Electric
Dishwasher
Optional
Dishwasher
Standard
Washer / Dryer
Optional
Washer / Dryer
Standard
Sink / Faucet
Standard
Sink / Faucet
Standard
Sink Cover / Cutting Boards
Standard
Sink Cover / Cutting Boards
Standard
Sofa
Standard
Sofa
Standard
Number Of Sofas
2
Number Of Sofas
2
Sofa Material
Leather
Sofa Material
Leather
Recliners / Rockers
Optional
Recliners / Rockers
Optional
Central Vacuum System
Standard
Central Vacuum System
Standard
Beds
Standard
Beds
Standard
Max Sleeping Count
8
Max Sleeping Count
8
Number Of Queen Size Beds
1
Number Of Queen Size Beds
-
Number Of Convertible / Sofa Beds
3
Number Of Convertible / Sofa Beds
2
Master Bedroom
Standard
Master Bedroom
Standard
Master Bedroom Flooring Type
Carpet
Master Bedroom Flooring Type
Tile
Master Bedroom Door Style
Full Sliding Door
Master Bedroom Door Style
Full Sliding Door
Full Size Master Bedroom Closet
Yes
Full Size Master Bedroom Closet
Yes
Master Bedroom Mirror Doors
Yes
Master Bedroom Mirror Doors
No
Master Bedroom Shades / Curtains
Yes
Master Bedroom Shades / Curtains
Yes
Master Bedroom Location
Rear
Master Bedroom Location
Center
Bed Spreads
Standard
Bed Spreads
Standard
Bathroom
Standard
Bathroom
Standard
Number Of Bathrooms
1
Number Of Bathrooms
2
Bathroom Flooring Type
Tile
Bathroom Flooring Type
Tile
Bathroom Location
Center
Bathroom Location
Rear / Center
Toilet
Standard
Toilet
Standard
Toilet Type
Plastic
Toilet Type
Porcelain
Shower
Standard
Shower
Standard
Door Type
Plastic / Glass
Door Type
Plastic / Glass
Bathtub
Standard
Bathtub
-
Bathroom Sink
Standard
Bathroom Sink
Standard
Bathroom Medicine Cabinet
Standard
Bathroom Medicine Cabinet
Standard
Bathroom Mirror
Standard
Bathroom Mirror
Standard
Bathroom Vent / Fan System
Standard
Bathroom Vent / Fan System
Standard
Power Vent Fan
Standard
Power Vent Fan
Standard
Reclining Sofa
-
Reclining Sofa
No
Fireplace
-
Fireplace
Standard
Number Of King Size Beds
-
Number Of King Size Beds
1
Bunkhouse
-
Bunkhouse
No
Ceiling Fan
-
Ceiling Fan
Standard
Wheels
Standard
Wheels
Standard
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Number Of Axles
1
Number Of Axles
2
Tires
Standard
Tires
Standard
Front Tire Width
295
Front Tire Width
365
Front Tire Aspect Ratio
80
Front Tire Aspect Ratio
70
Front Wheel Diameter
23
Front Wheel Diameter
22.5
Rear Tire Width
295
Rear Tire Width
315
Rear Tire Aspect Ratio
80
Rear Tire Aspect Ratio
80
Rear Wheel Diameter
23
Rear Wheel Diameter
22.5
Front Wheel Width (in)
8.25
Front Wheel Width (in)
-
Rear Wheel Width (in)
8.25
Rear Wheel Width (in)
-
Front Tire (Full Spec)
Michelin 295/80R 22.5
Front Tire (Full Spec)
XZA 365/70R 22.5
Rear Tire (Full Spec)
Michelin 295/80R 22.5
Rear Tire (Full Spec)
315/80R 22.5
Brakes
Standard
Brakes
Standard
Front Brake Type
Hydraulic Disc
Front Brake Type
Hydraulic Disc
Rear Brake Type
Hydraulic Drum
Rear Brake Type
Hydraulic Disc
Air Brake
Standard
Air Brake
Standard
Exhaust Brake
Standard
Exhaust Brake
Standard
Anti-Lock Brakes
Standard
Anti-Lock Brakes
Standard
Rear Hitch
Standard
Rear Hitch
Standard
Rear Hitch Type
Receiver
Rear Hitch Type
Receiver
Size (in/cm)
2 / 5.1
Size (in/cm)
-
Seat Type
Bucket
Seat Type
Bucket
Seat Material
Leather
Seat Material
Cloth
Power Adjustable Seat
Yes
Power Adjustable Seat
Yes
Reclining Seats
Yes
Reclining Seats
Yes
Swivel Seats
Yes
Swivel Seats
Yes
Seat Armrests
Yes
Seat Armrests
Yes
Seat Specifications
Standard
Seat Specifications
Standard
Number Of Seats
2
Number Of Seats
2
Number Of Rows
1
Number Of Rows
1
Heated Seat
-
Heated Seat
Standard
Propane Tank Gauge
Standard
Propane Tank Gauge
-
Fresh Water Holding Tank Gauge
Standard
Fresh Water Holding Tank Gauge
Standard
Gray Water Holding Tank Gauge
Standard
Gray Water Holding Tank Gauge
Standard
Black Water Holding Tank Gauge
Standard
Black Water Holding Tank Gauge
Standard
Trailer Level Gauge
Standard
Trailer Level Gauge
Standard
GPS
Optional
GPS
Standard
Voltage Meter
Standard
Voltage Meter
Standard
Exterior Flood Lights
Standard
Exterior Flood Lights
Standard
Hitch Lights
-
Hitch Lights
Standard
Battery
Standard
Battery
Standard
Battery Power Converter
Yes
Battery Power Converter
Yes
Prewiring
Standard
Prewiring
Standard
Air Conditioning Prewiring
Yes
Air Conditioning Prewiring
Yes
Cable Prewiring
Yes
Cable Prewiring
Yes
Phone Prewiring
Yes
Phone Prewiring
No
Heat Prewiring
Yes
Heat Prewiring
Yes
TV Antenna Prewiring
Yes
TV Antenna Prewiring
Yes
Satellite Prewiring
Yes
Satellite Prewiring
Yes
Washer / Dryer Prewiring
Yes
Washer / Dryer Prewiring
Yes
Exterior Plugs
Standard
Exterior Plugs
Standard
Ground Fault Plugs
Standard
Ground Fault Plugs
Standard
Solar Battery Charger
Optional
Solar Battery Charger
Optional
Generator
Standard
Generator
Standard
Air Conditioning
Standard
Air Conditioning
Standard
Air Conditioning Type
Automatic
Air Conditioning Type
Automatic
Heater
Standard
Heater
Standard
Heater Type
Automatic
Heater Type
Automatic
Water Heater Tank
Standard
Water Heater Tank
Standard
Water Heater Pump Power Mode
Electrical / Propane
Water Heater Pump Power Mode
Electrical
Water Heater Tank Bypass
Yes
Water Heater Tank Bypass
-
Freeze Proof Insulation
Standard
Freeze Proof Insulation
Standard
Water Heater Tank Capacity (g/l)
10 / 37.9
Water Heater Tank Capacity (g/l)
-
Air Suspension
Standard
Air Suspension
Standard
Rear Video Backup Camera
Standard
Rear Video Backup Camera
Standard
Cruise Control
Standard
Cruise Control
Standard
Power Windows
-
Power Windows
Standard
Smoke Detector
Standard
Smoke Detector
Standard
Carbon Monoxide Detector
Standard
Carbon Monoxide Detector
Standard
Propane Alarm
Standard
Propane Alarm
-
Emergency Exit (s)
Standard
Emergency Exit (s)
Standard
Radio
Standard
Radio
Standard
Number Of Radios
1
Number Of Radios
1
Speakers
Standard
Speakers
Standard
Surround Sound
Yes
Surround Sound
Yes
CD Player
Standard
CD Player
Standard
Number Of Discs
1
Number Of Discs
1
Exterior Entertainment System
Optional
Exterior Entertainment System
Standard
CB Radio
Optional
CB Radio
-
DVD Player
Standard
DVD Player
Standard
Television
Standard
Television
Standard
Number Of Televisions
2
Number Of Televisions
3
Retractable Roof Antenna
Standard
Retractable Roof Antenna
Standard
Speaker Location (s)
Interior
Speaker Location (s)
Interior / Exterior
Brand Name
-
Brand Name
JBL
Satellite
-
Satellite
Yes
Paint
Standard
Paint
Standard
Interior Decor
Standard
Interior Decor
Standard
Wallpaper
Yes
Wallpaper
Yes
Interior Wood Finish
Yes
Interior Wood Finish
Yes
Curtains / Shades
Standard
Curtains / Shades
Standard
Other Paint & Finish
-
Other Paint & Finish
Optional