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Year
2012
Year
2012
Parent Company
Thor Industries, Inc.
Parent Company
Thor Industries, Inc.
Generic Type (Primary)
Class B
Generic Type (Primary)
Travel Trailer
Make
Airstream
Make
Airstream
Display Name
Interstate 3500 Lounge Wardrobe
Display Name
International Serenity 28
Manufacturer Country
USA
Manufacturer Country
USA
Introduction Year
2012
Introduction Year
2004
Regional Availability
All Regions
Regional Availability
All Regions
Price
Standard
Price
Standard
Basic Warranty (Miles/Months)
36000 / 36
Basic Warranty (Miles/Months)
-
Structure Warranty (Months/Miles)
36 / 36000
Structure Warranty (Months/Miles)
-
Roof Warranty (Years)
2
Roof Warranty (Years)
2
Chassis Warranty (Months/Miles)
36 / 36000
Chassis Warranty (Months/Miles)
-
Powertrain Warranty (Months/Miles)
60 / 100000
Powertrain Warranty (Months/Miles)
-
MSRP
-
MSRP
$80,335
Basic Warranty (Months)
-
Basic Warranty (Months)
24
Structure Warranty (Months)
-
Structure Warranty (Months)
24
Engine
Standard
Engine
-
Engine Brand Name
Mercedes-Benz®
Engine Brand Name
-
Chassis Brand
Mercedes-Benz® Sprinter
Chassis Brand
-
Engine Type
V6
Engine Type
-
Chassis Model
3500
Chassis Model
-
Cylinders
6
Cylinders
-
Horsepower RPM
3800
Horsepower RPM
-
Torque RPM
1400
Torque RPM
-
Turbocharged
Yes
Turbocharged
-
Supercharged
No
Supercharged
-
Fuel Type
Diesel
Fuel Type
-
Fuel Requirements
Regular
Fuel Requirements
-
Carburetion
Standard
Carburetion
-
Carburetion Type
Fuel Injected
Carburetion Type
-
Horsepower (bhp)
188
Horsepower (bhp)
-
Torque (Nm)
440.6
Torque (Nm)
-
Displacement (l)
3
Displacement (l)
-
US Miles Per Gallon (Hwy)
18
US Miles Per Gallon (Hwy)
-
CAN Liters Per Kilometer (Hwy)
13.1
CAN Liters Per Kilometer (Hwy)
-
Transmission
Standard
Transmission
-
Transmission Type
Automatic
Transmission Type
-
Number Of Speeds
5
Number Of Speeds
-
Overdrive
Yes
Overdrive
-
Driveline Type
4X2
Driveline Type
-
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
2
Length (in/mm/ft/m)
273 / 6900 / 22.75 / 6.9
Length (in/mm/ft/m)
335 / 8500 / 27.92 / 8.5
Width (in/mm)
79.7 / 2024.4
Width (in/mm)
101.5 / 2578.1
Height (in/mm)
116 / 2946.4
Height (in/mm)
115 / 2921
Interior Height (in/mm)
74.3 / 1886
Interior Height (in/mm)
77 / 1955.8
Wheelbase (in/mm)
170 / 4318
Wheelbase (in/mm)
-
Dry Weight (lbs/kg)
8133 / 3689.1
Dry Weight (lbs/kg)
5853 / 2654.9
Payload Capacity (lbs/kgs)
2897 / 1314.1
Payload Capacity (lbs/kgs)
1747 / 792.4
Towing Capacity (lbs/kgs)
6900 / 3129.8
Towing Capacity (lbs/kgs)
-
GVWR (lbs)
11030
GVWR (lbs)
7600
Fuel Capacity (gal/l)
26.4 / 99.9
Fuel Capacity (gal/l)
-
Total Fresh Water Tank Capacity (gal/l)
32 / 121.1
Total Fresh Water Tank Capacity (gal/l)
39 / 147.6
Total Gray Water Tank Capacity (gal/l)
27 / 102.2
Total Gray Water Tank Capacity (gal/l)
37 / 140.1
Total Black Water Tank Capacity (gal/l)
15 / 56.8
Total Black Water Tank Capacity (gal/l)
35 / 132.5
Propane Tank (s)
Standard
Propane Tank (s)
Standard
Total Propane Tank Capacity (gal/lbs)
18.9 / 80.1
Total Propane Tank Capacity (gal/lbs)
14.2 / 60
Hitch Weight (lbs)
-
Hitch Weight (lbs)
950
Construction
Standard
Construction
Standard
Number of Doors
1
Number of Doors
1
Sliding Glass Door
No
Sliding Glass Door
No
Awning
Standard
Awning
Standard
Number of Awnings
1
Number of Awnings
1
Power Retractable Awning
Yes
Power Retractable Awning
No
Screened Room
No
Screened Room
No
Power Retractable Entry Steps
Standard
Power Retractable Entry Steps
-
Roof Vents
Standard
Roof Vents
Standard
Exterior Shower
Standard
Exterior Shower
Standard
Awning Length (ft/m)
13 / 4
Awning Length (ft/m)
18.4 / 5.6
Body Material
-
Body Material
Aluminum
Sidewall Construction
-
Sidewall Construction
Aluminum
Leveling Jacks
-
Leveling Jacks
Standard
Leveling Jack Type
-
Leveling Jack Type
Front Manual / Rear Manual
Sky Light
-
Sky Light
Standard
Propane Tank Cover
-
Propane Tank Cover
Standard
Rear Bumper Drain Hose Carrier
-
Rear Bumper Drain Hose Carrier
Standard
Kitchen / Living Area
Standard
Kitchen / Living Area
Standard
Kitchen / Living Area Flooring Type
Vinyl
Kitchen / Living Area Flooring Type
Vinyl
Kitchen Table Configuration
Pedestal Table
Kitchen Table Configuration
Bench Seats
Kitchen Location
Center
Kitchen Location
Center
Living Area Location
Rear
Living Area Location
Front
Layout
Oven / Stove
Layout
Oven / Stove
Number Of Oven Burners
2
Number Of Oven Burners
3
Overhead Fan
Yes
Overhead Fan
Yes
Microwave Oven
Standard
Microwave Oven
Optional
Refrigerator
Standard
Refrigerator
Standard
Refrigerator Size
Compact
Refrigerator Size
Mid-Size
Refrigerator Power Mode
Electric / Propane
Refrigerator Power Mode
Electric / Propane
Sink / Faucet
Standard
Sink / Faucet
Standard
Sink Cover / Cutting Boards
Standard
Sink Cover / Cutting Boards
Standard
Sofa
Standard
Sofa
Standard
Number Of Sofas
1
Number Of Sofas
1
Sofa Material
Leather
Sofa Material
Cloth
Reclining Sofa
No
Reclining Sofa
-
Recliners / Rockers
Standard
Recliners / Rockers
-
Number Of Recliner / Rockers
3
Number Of Recliner / Rockers
-
Material
Leather
Material
-
Beds
Standard
Beds
Standard
Max Sleeping Count
2
Max Sleeping Count
6
Number Of Convertible / Sofa Beds
1
Number Of Convertible / Sofa Beds
2
Bunkhouse
No
Bunkhouse
No
Heated
No
Heated
-
Bed Spreads
Standard
Bed Spreads
Standard
Bathroom
Standard
Bathroom
Standard
Number Of Bathrooms
1
Number Of Bathrooms
1
Bathroom Flooring Type
Vinyl
Bathroom Flooring Type
Vinyl
Bathroom Location
Center
Bathroom Location
Center
Toilet
Standard
Toilet
Standard
Toilet Type
Plastic
Toilet Type
Porcelain
Shower
Standard
Shower
Standard
Door Type
Plastic / Glass
Door Type
Plastic / Glass
Bathroom Sink
Standard
Bathroom Sink
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
Number Of Queen Size Beds
-
Number Of Queen Size Beds
1
Master Bedroom
-
Master Bedroom
Standard
Master Bedroom Flooring Type
-
Master Bedroom Flooring Type
Vinyl
Master Bedroom Door Style
-
Master Bedroom Door Style
Accordion
Full Size Master Bedroom Closet
-
Full Size Master Bedroom Closet
No
Master Bedroom Mirror Doors
-
Master Bedroom Mirror Doors
No
Master Bedroom Shades / Curtains
-
Master Bedroom Shades / Curtains
Yes
Master Bedroom Location
-
Master Bedroom Location
Rear
Bathroom Medicine Cabinet
-
Bathroom Medicine Cabinet
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
215
Front Tire Width
-
Front Tire Aspect Ratio
85
Front Tire Aspect Ratio
-
Front Wheel Diameter
16
Front Wheel Diameter
-
Rear Tire Width
215
Rear Tire Width
-
Rear Tire Aspect Ratio
85
Rear Tire Aspect Ratio
-
Rear Wheel Diameter
16
Rear Wheel Diameter
15
Spare Tire
Standard
Spare Tire
Standard
Spare Tire Location
Exterior Mounted
Spare Tire Location
Exterior Mounted
Front Tire (Full Spec)
215/85 R16
Front Tire (Full Spec)
-
Rear Tire (Full Spec)
215/85 R16
Rear Tire (Full Spec)
15-Inch Tires
Brakes
Standard
Brakes
Standard
Front Brake Type
Hydraulic Disc
Front Brake Type
-
Rear Brake Type
Hydraulic Disc
Rear Brake Type
Electric Drum
Anti-Lock Brakes
Standard
Anti-Lock Brakes
-
Rear Hitch
Standard
Rear Hitch
-
Tongue Weight (lbs/kgs)
500 / 226.8
Tongue Weight (lbs/kgs)
-
Seat Type
Bucket
Seat Type
-
Seat Material
Leather
Seat Material
-
Power Adjustable Seat
Yes
Power Adjustable Seat
-
Reclining Seats
Yes
Reclining Seats
-
Swivel Seats
Yes
Swivel Seats
-
Seat Armrests
Yes
Seat Armrests
-
Seat Specifications
Standard
Seat Specifications
-
Number Of Seats
2
Number Of Seats
-
Number Of Rows
1
Number Of Rows
-
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
GPS
Standard
GPS
-
GPS Brand
Garmin®
GPS Brand
-
Water Pump Power Display
Standard
Water Pump Power Display
-
Voltage Meter
Standard
Voltage Meter
-
Exterior Flood Lights
Standard
Exterior Flood Lights
-
Hitch Lights
-
Hitch Lights
Standard
Battery
Standard
Battery
Standard
Battery Power Converter
Yes
Battery Power Converter
Yes
Battery Converter Amps
45
Battery Converter Amps
55
Prewiring
Standard
Prewiring
Standard
Air Conditioning Prewiring
Yes
Air Conditioning Prewiring
Yes
Cable Prewiring
Yes
Cable Prewiring
Yes
Phone Prewiring
No
Phone Prewiring
-
Heat Prewiring
Yes
Heat Prewiring
Yes
TV Antenna Prewiring
Yes
TV Antenna Prewiring
Yes
Satellite Prewiring
Yes
Satellite Prewiring
Yes
Washer / Dryer Prewiring
No
Washer / Dryer Prewiring
No
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
-
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 / Propane
Water Heater Tank Bypass
Yes
Water Heater Tank Bypass
Yes
Freeze Proof Insulation
Standard
Freeze Proof Insulation
Standard
Water Heater Tank Capacity (g/l)
6 / 22.7
Water Heater Tank Capacity (g/l)
6 / 22.7
Power Windows
Standard
Power Windows
-
Rear Video Backup Camera
Standard
Rear Video Backup Camera
-
Cruise Control
Standard
Cruise Control
-
Smoke Detector
Standard
Smoke Detector
Standard
Carbon Monoxide Detector
Standard
Carbon Monoxide Detector
Standard
Propane Alarm
Standard
Propane Alarm
Standard
Emergency Exit (s)
Standard
Emergency Exit (s)
-
Radio
Standard
Radio
Standard
Number Of Radios
1
Number Of Radios
1
Satellite
Yes
Satellite
No
Speakers
Standard
Speakers
Standard
Surround Sound
Yes
Surround Sound
No
CD Player
Standard
CD Player
Standard
Number Of Discs
1
Number Of Discs
1
DVD Player
Standard
DVD Player
Standard
Television
Standard
Television
Standard
Number Of Televisions
1
Number Of Televisions
1
Retractable Roof Antenna
Standard
Retractable Roof Antenna
Standard
Speaker Location (s)
Interior
Speaker Location (s)
Interior
Paint
Standard
Paint
Standard
Interior Decor
Standard
Interior Decor
Standard
Wallpaper
Yes
Wallpaper
No
Interior Wood Finish
Yes
Interior Wood Finish
No
Curtains / Shades
Standard
Curtains / Shades
Standard
Other Paint & Finish
Optional
Other Paint & Finish
-