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Year
2011
Year
2025
Parent Company
Thor Industries, Inc.
Parent Company
Thor Industries, Inc.
Generic Type (Primary)
Class A
Generic Type (Primary)
Class A
Make
Thor Motor Coach
Make
Thor Motor Coach
Display Name
Challenger 35SD
Display Name
Palazzo GT 33.5
Manufacturer Country
USA
Manufacturer Country
USA
Regional Availability
All Regions
Regional Availability
All Regions
Introduction Year
-
Introduction Year
2024
Price
Standard
Price
Standard
MSRP
$122,850
MSRP
$321,750
Basic Warranty (Miles/Months)
15000 / 12
Basic Warranty (Miles/Months)
-
Structure Warranty (Months)
12
Structure Warranty (Months)
-
Roof Warranty (Years)
12
Roof Warranty (Years)
12
Chassis Warranty (Months/Miles)
36 / 36000
Chassis Warranty (Months/Miles)
-
Powertrain Warranty (Months/Miles)
60 / 60000
Powertrain Warranty (Months/Miles)
-
Basic Warranty (Months)
-
Basic Warranty (Months)
12
Structure Warranty (Months/Miles/Kilometers)
-
Structure Warranty (Months/Miles/Kilometers)
144 / 100000 / 160934
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
Triton®
Engine Brand Name
Cummins
Chassis Brand
Ford
Chassis Brand
Freightliner
Engine Type
V10
Engine Type
I6 Diesel Pusher
Chassis Model
F-Series Super Duty
Chassis Model
XC-Series
Cylinders
10
Cylinders
6
Horsepower RPM
4750
Horsepower RPM
2600
Torque RPM
13250
Torque RPM
1600
Turbocharged
No
Turbocharged
Yes
Supercharged
No
Supercharged
No
Fuel Type
Gas
Fuel Type
Diesel
Fuel Requirements
Regular
Fuel Requirements
Regular
Carburetion
Standard
Carburetion
Standard
Carburetion Type
Fuel Injected
Carburetion Type
Fuel Injected
Horsepower (bhp)
362
Horsepower (bhp)
300
Torque (Nm)
619.6
Torque (Nm)
895
Displacement (l)
6.8
Displacement (l)
6.7
Transmission
Standard
Transmission
Standard
Transmission Brand
TorqShift
Transmission Brand
Allison
Transmission Type
Automatic
Transmission Type
Automatic
Number Of Speeds
5
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
Length (in/mm/ft/m)
437 / 11100 / 36.42 / 11.1
Length (in/mm/ft/m)
419 / 10600 / 34.92 / 10.6
Width (in/mm)
101 / 2565.4
Width (in/mm)
101 / 2514.6
Height (in/mm)
151 / 3835.4
Height (in/mm)
147 / 3733.8
Interior Height (in/mm)
82 / 2082.8
Interior Height (in/mm)
82 / 2082.8
Wheelbase (in/mm)
228 / 5791.2
Wheelbase (in/mm)
208 / 5283.2
Towing Capacity (lbs/kgs)
5000 / 2268
Towing Capacity (lbs/kgs)
10000 / 4536
GVWR (lbs)
22000
GVWR (lbs)
26000
Fuel Capacity (gal/l)
80 / 302.8
Fuel Capacity (gal/l)
90 / 340.7
Total Fresh Water Tank Capacity (gal/l)
65 / 246.1
Total Fresh Water Tank Capacity (gal/l)
95 / 359.6
Total Gray Water Tank Capacity (gal/l)
43 / 162.8
Total Gray Water Tank Capacity (gal/l)
40 / 151.4
Total Black Water Tank Capacity (gal/l)
43 / 162.8
Total Black Water Tank Capacity (gal/l)
40 / 151.4
Propane Tank (s)
Standard
Propane Tank (s)
Standard
Total Propane Tank Capacity (gal/lbs)
24.5 / 104
Total Propane Tank Capacity (gal/lbs)
24.8 / 105
Number Of Propane Tanks
-
Number Of Propane Tanks
1
Hitch Weight (lbs)
-
Hitch Weight (lbs)
10000
Storage Capacity (cuft/gal/l)
-
Storage Capacity (cuft/gal/l)
126 / 810 / 3567.8
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
2
Number of Slideouts
2
Power Retractable Slideout
Yes
Power Retractable Slideout
Yes
Awning
Standard
Awning
Standard
Number of Awnings
1
Number of Awnings
1
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
Exterior Shower
Standard
Exterior Shower
Standard
Pass-Thru Storage
Standard
Pass-Thru Storage
Standard
Awning Length (ft/m)
16 / 4.9
Awning Length (ft/m)
18 / 5.5
Kitchen / Living Area
Standard
Kitchen / Living Area
Standard
Kitchen / Living Area Flooring Type
Vinyl
Kitchen / Living Area Flooring Type
Vinyl
Kitchen Table Configuration
Bench Seats
Kitchen Table Configuration
Bench Seats
Kitchen Location
Center
Kitchen Location
Center
Living Area Location
Front
Living Area Location
Front
Layout
Stove
Layout
Oven / Stove
Number Of Oven Burners
3
Number Of Oven Burners
2
Overhead Fan
Yes
Overhead Fan
Yes
Microwave Oven
Standard
Microwave Oven
Standard
Refrigerator
Standard
Refrigerator
Standard
Refrigerator Size
Mid-Size
Refrigerator Size
Full-Size
Refrigerator Power Mode
Electric / Propane
Refrigerator Power Mode
Electric
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
Vinyl
Recliners / Rockers
Standard
Recliners / Rockers
Optional
Number Of Recliner / Rockers
1
Number Of Recliner / Rockers
-
Material
Leather
Material
-
Fireplace
Optional
Fireplace
-
Beds
Standard
Beds
Standard
Max Sleeping Count
6
Max Sleeping Count
10
Number Of Queen Size Beds
1
Number Of Queen Size Beds
1
Number Of Convertible / Sofa Beds
2
Number Of Convertible / Sofa Beds
2
Master Bedroom
Standard
Master Bedroom
Standard
Master Bedroom Flooring Type
Carpet
Master Bedroom Flooring Type
Vinyl
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
Yes
Master Bedroom Shades / Curtains
Yes
Master Bedroom Shades / Curtains
Yes
Master Bedroom Location
Rear
Master Bedroom Location
Rear
Bunkhouse
No
Bunkhouse
Yes
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
Porcelain
Toilet Type
Porcelain
Shower
Standard
Shower
Standard
Door Type
Plastic / Glass
Door Type
Plastic / Glass
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
Washer / Dryer
-
Washer / Dryer
Standard
Reclining Sofa
-
Reclining Sofa
No
Number Of Bunk Beds
-
Number Of Bunk Beds
2
Number Of Full Size Beds
-
Number Of Full Size Beds
1
Heated
-
Heated
No
Wheels
Standard
Wheels
Standard
Wheels Composition
Aluminum
Wheels Composition
Aluminum
Number Of Axles
1
Number Of Axles
1
Tires
Standard
Tires
Standard
Front Tire Width
235
Front Tire Width
255
Front Tire Aspect Ratio
80
Front Tire Aspect Ratio
70
Front Wheel Diameter
22.5
Front Wheel Diameter
22.5
Rear Tire Width
235
Rear Tire Width
255
Rear Tire Aspect Ratio
80
Rear Tire Aspect Ratio
70
Rear Wheel Diameter
22.5
Rear Wheel Diameter
22.5
Front Tire (Full Spec)
235/80 R22.5
Front Tire (Full Spec)
Michelin® XZE 255/70R 22.5
Rear Tire (Full Spec)
235/80 R22.5
Rear Tire (Full Spec)
Michelin® XZE 255/70R 22.5
Tire Brand
-
Tire Brand
Michelin®
Front Wheel Width (in)
-
Front Wheel Width (in)
8.25
Rear Wheel Width (in)
-
Rear Wheel Width (in)
8.25
Brakes
Standard
Brakes
Standard
Front Brake Type
Hydraulic Disc
Front Brake Type
Hydraulic Drum
Rear Brake Type
Hydraulic Disc
Rear Brake Type
Hydraulic Drum
Anti-Lock Brakes
Standard
Anti-Lock Brakes
Standard
Air Brake
-
Air Brake
Standard
Exhaust Brake
-
Exhaust Brake
Standard
Rear Hitch
Standard
Rear Hitch
Standard
Rear Hitch Type
Receiver
Rear Hitch Type
Receiver
Tongue Weight (lbs/kgs)
500 / 226.8
Tongue Weight (lbs/kgs)
-
Size (in/cm)
-
Size (in/cm)
2.5 / 6.3
Seat Type
Bucket
Seat Type
Bucket
Seat Material
Leather
Seat Material
Vinyl
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
Power Adjustable Seat
-
Power Adjustable Seat
Yes
Propane Tank Gauge
Standard
Propane Tank Gauge
Standard
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
Voltage Meter
Standard
Voltage Meter
Standard
GPS
-
GPS
Standard
Water Pump Power Display
-
Water Pump Power Display
Standard
Exterior Flood Lights
Standard
Exterior Flood Lights
Standard
Battery
Standard
Battery
Standard
Battery Power Converter
Yes
Battery Power Converter
Yes
Battery Converter Amps
60
Battery Converter Amps
55
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
No
Washer / Dryer Prewiring
Yes
Exterior Plugs
Standard
Exterior Plugs
Standard
Ground Fault Plugs
Standard
Ground Fault Plugs
Standard
Generator
Standard
Generator
Standard
Solar Battery Charger
-
Solar Battery Charger
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
-
Water Heater Tank Bypass
Yes
Water Heater Tank Bypass
-
Freeze Proof Insulation
Standard
Freeze Proof Insulation
-
Water Heater Tank Capacity (g/l)
6 / 22.7
Water Heater Tank Capacity (g/l)
-
Rear Video Backup Camera
Standard
Rear Video Backup Camera
Standard
Cruise Control
Standard
Cruise Control
Standard
Air Suspension
-
Air Suspension
Standard
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)
Standard
Number Of Emergency Exits
-
Number Of Emergency Exits
1
Radio
Standard
Radio
Standard
Number Of Radios
1
Number Of Radios
1
Speakers
Standard
Speakers
Standard
CD Player
Standard
CD Player
Standard
Number Of Discs
1
Number Of Discs
1
Exterior Entertainment System
Optional
Exterior Entertainment System
Standard
DVD Player
Standard
DVD Player
-
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
Surround Sound
-
Surround Sound
Yes
Paint
Standard
Paint
Standard
Metallic
No
Metallic
No
Interior Decor
Standard
Interior Decor
Standard
Wallpaper
Yes
Wallpaper
Yes
Interior Wood Finish
Yes
Interior Wood Finish
Yes
Curtains / Shades
Standard
Curtains / Shades
Standard