2020 Airstream Interstate Grand Tour EXT (GT24)

Overview

This 2020 Airstream Interstate Grand Tour EXT (GT24) represents the pinnacle of Class B motorhome engineering. With only 29,165 miles and significant electrical system upgrades, this coach combines Airstream’s legendary aluminum construction with Mercedes-Benz engineering excellence.

The GT24 model designation refers to the Grand Tour 24-foot extended wheelbase configuration, built on the Mercedes-Benz Sprinter 3500 chassis. This particular coach has been meticulously maintained and features extensive professional upgrades including a complete Epoch lithium battery system (420Ah), Victron 3000W inverter/charger, Renogy solar expansion, MaxxAir fan upgrade, and numerous other enhancements.

Key Highlights

• 29,165 miles - Well maintained
• 420Ah Epoch Lithium Battery Bank - 4x 105Ah batteries (major upgrade from factory AGM)
• Victron 3000W Inverter/Charger - Professional-grade power system
• Upgraded Renogy Solar Panels - Enhanced solar charging capability
• MaxxAir Fan - Premium ventilation upgrade
• Comprehensive Service History - All maintenance documented with receipts
• Florida Title - Clean title, titled as 2020 Airstream GT24

Drivetrain & Chassis

Mercedes-Benz Sprinter 3500 Platform

Chassis: Mercedes-Benz Sprinter 3500 Extended (170" wheelbase)

Engine: Mercedes-Benz 3.0L V6 Turbo Diesel

• Power: 188 HP / 325 lb-ft torque
• Emissions: BlueTEC SCR Technology (50-State EPA/CARB compliant)
• Fuel Economy: 16-18 MPG highway (estimated)
• Fuel Capacity: 24.5 gallons diesel

Transmission: 7-speed automatic with paddle shifters

Suspension & Chassis:

• Air Ride Suspension (standard)
• Axle Ratio: 3.92
• Mercedes-Benz Adaptive ESP (Electronic Stability Program)

Weight & Towing Capacity

• GVWR: 11,030 lbs
• GCWR: 15,250 lbs
• Unloaded Base Weight (UBW): 9,280 lbs (2WD)
• Occupant & Cargo Carrying Capacity (OCCC): 1,751 lbs (2WD)
• Towing Capacity: Up to 5,000 lbs (with factory hitch and 7-pin connector)

Dimensions

• Exterior Length: 24 ft 6 in
• Exterior Height: 9 ft 8 in (2WD with A/C and antenna)
• Exterior Width: 6 ft 7.7 in
• Interior Height: 6 ft 2.25 in
• Interior Width: 5 ft 10 in

Mercedes-Benz Active Safety Systems (All Standard)

• Active Brake Assist (collision avoidance)
• Active Lane Keeping Assist
• Active Blind Spot Assist
• Active Cruise Control Assist (adaptive cruise)
• Active Driver Attention Assist (fatigue detection)
• Active Rear Cross Traffic Assist
• Traffic Sign Assist (speed limit recognition)
• E-Call Assist (emergency calling)
• Front & Rear Parktronic Parking Assist
• Rear & Side View Camera Monitor
• Multiple Safety Airbags
• Trailer Stability Assist System

Electrical System (MAJOR UPGRADES)

Power Generation & Storage

Battery Bank - EPOCH LITHIUM UPGRADE

• 4x Epoch 105Ah Lithium Batteries = 420Ah total capacity
• Full Bluetooth monitoring via Epoch app
• Significantly lighter and longer-lasting than factory AGM batteries
• 10+ year lifespan vs 3-5 years for AGM
• Individual battery monitoring with temperature sensors
• All batteries showing 100% health and 13.6V

Inverter/Charger - VICTRON UPGRADE

• Victron MultiPlus 12/3000/120-50 - 3,000W pure sine wave inverter
• 120A battery charger (massive upgrade from factory 50A)
• Victron SmartShunt 500A battery monitor
• Full system monitoring via VictronConnect app
• Powers all AC appliances off-grid

Solar Power - RENOGY UPGRADE

• Renogy Solar Panels - Upgraded from factory 300W system
• Front array and rear array configuration
• 1000V DC max (RSP120DC-ASR model)
• Dedicated MPPT solar charge controller
• Exterior solar plug for portable panel expansion

Generator

• 2.5 kW LPG (Propane) Generator
• Auto-start capability
• Ultra-quiet resonator system
• Recently serviced with new filter and maintenance kit
• Decibel tested - exceptionally quiet operation

Shore Power & Distribution

• 30 amp shore power inlet (110V service)
• Automatic transfer switch (shore/generator/inverter)
• Touch screen energy management system
• Battery disconnect switch

Additional Electrical Features

• USB charging ports throughout cabin
• 110V outlets in multiple locations
• LED lighting throughout (adjustable brightness)
• Under-cabinet lighting in galley
• Exterior LED lighting (patio, service boxes, awning, undercarriage)

Plumbing & Water Systems

Tank Capacities

• Fresh Water: 27 gallons (with 12V heated tank)
• Gray Water: 21 gallons (with 12V heated tank)
• Black Water: 13 gallons
• Propane/LPG: 14.6 gallons (61.7 lbs at 77% fill)

Water Heating

• Tankless Water Heater: 60,000 BTU continuous flow, on-demand
• Unlimited hot water for showers
• Powered by propane

Plumbing Features

• Macerator Pump System - Easy waste tank disposal (professionally serviced)
• Gravity water fill
• Fresh water tank drain
• Exterior shower with hot & cold water
• Exterior sprayer connection
• 360 Siphon RV holding tank vent cap
• Heated fresh and gray tanks (12V) for cold weather use

Bathroom (Wet Bath)

• Standard RV toilet
• Full shower with deluxe curtain
• Sink with articulated mirror
• Power bath vent with wall switch
• Riveted aluminum porthole door (classic Airstream design)
• Retractable clothesline
• Towel rack

Climate Control (HVAC)

Air Conditioning & Heating

• Roof Air Conditioner: 13,500 BTU
• Propane Furnace: 16,000 BTU

Ventilation - MAXXAIR UPGRADE

• MaxxAir Fan with rain sensor (upgraded from factory Fantastic Fan)
• Superior airflow and quieter operation
• Automatic rain sensing closure
• Multiple speed settings

Climate Features

• Fresh and gray water tank heaters (12V, prevents freezing)
• Power window shades throughout
• Privacy shades for all windows
• Cockpit privacy shades (3-piece)

Kitchen & Galley

Appliances

Refrigeration

• 5.0 cu. ft. Refrigerator (12V compressor)
• 1.6 cu. ft. Drawer Freezer (12V)
• Energy-efficient compressor operation

Cooking

• 2-Burner Propane Cooktop with integrated cover
• 1.2 cu. ft. Drawer Microwave

Galley Features

• DuPont Corian Countertops with backsplash
• Stainless steel sink with integrated cover
• Pantry with built-in drawers and shelves
• Built-in waste basket and paper towel holder
• Under-counter LED lighting
• Upgraded Cabinet Hardware - Premium handles and clasps
• Ceiling vent with 12V power switch
• LP accessory hook-up for external grill

Sleeping & Living Space

Sleeping Configuration

Rear Convertible Sofa (Seats 7, Sleeps 2)

• Power rear sofa converts to full lay-flat bed
• Power ottomans for adjustable comfort
• Ultraleather seating throughout (easy to clean, luxury feel)
• Sleeping surface dimensions suitable for 2 adults
• Storage cubbies with USB charging ports
• Rear cabin carpet kit (black)

Living Area Features

• Two LED Widescreen HDTVs
  • Main TV in living area
  • Secondary TV screen
• Modular solid surface table
• Built-in work station (remote work ready)
• Adjustable LED lighting throughout
• Marine woven synthetic flooring (durable, easy-clean)
• Signature aluminum ceiling and trim (classic Airstream styling)
• Matte finish laminate cabinetry (Modern Greige or similar décor)
• Flush-mount solid shut cabinets
• Riveted aluminum porthole doors
• Vinyl with urethane covering on walls and windows

Cockpit & Driver’s Area

Mercedes-Benz MBUX Infotainment System

• 10.25" touchscreen with pinch, zoom, voice recognition
• Apple CarPlay & Android Auto capability
• Navigation system
• Rear and side view camera integration
• In-dash maintenance monitoring system

Seating & Controls

• Power-adjustable heated driver and passenger seats
• Factory leather swivel captain’s chairs
• Tilt & telescopic leather steering wheel
• Advanced multifunctional steering wheel with audio controls
• Steering wheel paddle shifters for manual gear selection
• Push-button keyless start
• In-dash wireless cell phone charging pad

Cockpit Features

• Overhead map lights
• Entry door lighting
• Cockpit carpet floor mats
• Privacy shades (3-piece windshield coverage)
• Sun visors and drink holders
• Wet wiper system

Exterior Features & Accessories

Airstream Body Kit & Styling

• Full Airstream body kit with over 40 exclusive tooled components
• Airstream badging and trim
• Aerodynamic design elements
• Arctic White exterior finish

Wheels & Tires

• Alcoa DuraBright aluminum wheels
• New tires (recently replaced - receipt available)
• Tire pressure monitoring
• Dual rear wheels

Exterior Conveniences

• Power armless awning with auto-retract
• Integrated LED lighting on awning
• Power sliding side door (Mercedes-Benz factory)
• Side screen door for ventilation with bug protection
• Power entry step at sliding door
• Power rear screen door
• High-performance LED headlights
• Fog lamps (standard)
• Power heated mirrors with defrost

Storage & Access

• Locking service boxes
• Exterior shower with hot & cold water
• LP accessory hook-up (for grill)
• 110V exterior outlet
• Hidden hitch cover (rear bumper)
• 3M protective film on rear bumper

Lighting

• LED patio lighting
• Service box area lighting
• Adjustable awning lighting
• Undercarriage LED lighting
• Top-mounted LED light bar (if equipped)

Additional Upgrades & Accessories

Professionally Installed Upgrades

1. Epoch Lithium Battery System - 4x 105Ah batteries with BMS
2. Victron 3000W Inverter/Charger System - Complete power upgrade
3. Renogy Solar Panel Upgrade - Enhanced solar charging
4. MaxxAir Fan - Premium ventilation
5. Upgraded Cabinet Hardware - Premium handles and clasps
6. Insignia Amazon Fire HDTV - Smart TV functionality
7. New Tires - All tires recently replaced
8. Starlink Mount/Prep - 12V plug installed for Starlink internet

Communication & Entertainment

• Directional in-motion VHF/UHF TV antenna
• Cable TV outlets and hook-ups
• Pre-wired for satellite dish
• Pre-wired for 5G connected service antenna
• Stereo system in cockpit
• HDMI connections for external devices

Safety Equipment

• LP gas detector
• Smoke detector
• CO2 alarm
• Fire extinguisher
• First aid kit
• E-call emergency assist

Service History & Maintenance

This Grand Tour EXT has been meticulously maintained with all service documented. Recent service includes:

Major Service Items (All with Receipts)

Electrical System Upgrades

• Complete Epoch lithium battery installation
• Victron inverter/charger system installation
• Solar panel upgrade and integration
• FJ Solar Solutions professional installation

Generator Maintenance

• Generator service kit replacement
• Air filter cleaning/replacement
• Full maintenance per schedule
• Decibel testing performed

Plumbing System

• Macerator waste pump repair/service
• Fresh water system inspection

Interior Upgrades

• Kitchen cabinet hardware upgrades (handles)
• Cabinet clasp and latch upgrades (2x receipts)
• Refrigerator coil fan repair
• Refrigerator thermostat repair
• Headliner shelf installation

Power Sliding Door

• Professional sliding door repair (multiple services)
• Door mechanism rebuild
• Proper operation verified

Mercedes-Benz Chassis

• DEF (Diesel Exhaust Fluid) sensor repair
• Schedule B service completed
• Tire rotation performed
• All fluids serviced

Tires

• Complete tire replacement (all 4 corners)
• Tire tread in excellent condition
• Dually air valve extensions installed

Service Documentation

All service receipts, invoices, and maintenance schedules are included with the vehicle.

Documentation & Title

Included Documentation

• Florida Clean Title - Titled as 2020 Airstream GT24
• VIN: WDAPF4CD0KP113169
• Original Equipment Manufacturer (OEM) documentation
• Airstream owner’s manual
• Mercedes-Benz Sprinter owner’s manual
• Complete service history with receipts
• Maintenance log spreadsheet
• Warranty documentation (original)
• Build specifications and floor plan

Original Factory Warranty Coverage

• Airstream: 3 Years / 36,000 Miles
• Mercedes-Benz Chassis: 3 Years / 36,000 Miles
• Mercedes-Benz Engine: 5 Years / 100,000 Miles
• 24/7/365 Roadside Assistance (original coverage period)

Note: Verify remaining warranty coverage based on in-service date

Technical Specifications Summary

Photo Gallery

The complete photo documentation includes:

• Exterior views (all angles)
• Interior living space
• Kitchen/galley
• Bathroom
• Cockpit/driver area
• Sleeping configuration
• Electrical system components (batteries, inverter, solar)
• Generator and service compartments
• Undercarriage and chassis
• All service receipts and documentation
• VIN and title documentation
• Floor plan diagram
• Specifications sheet

Why This Airstream Stands Out

1. Well-Maintained Condition

At 29,165 miles, this coach has been properly maintained with comprehensive service records. The mileage represents regular use while staying well below high-mileage territory.

2. Premium Electrical Upgrades

The Epoch lithium and Victron system provides:

• 3x the usable battery capacity vs. lead-acid
• 10+ year battery lifespan
• Fast charging capability
• Complete off-grid power independence
• Professional-grade components

3. Complete Service History

Every repair, upgrade, and maintenance item is documented with professional receipts. No guesswork on the vehicle’s history.

4. Airstream + Mercedes-Benz Quality

The partnership between Airstream and Mercedes-Benz delivers best-in-class construction, safety systems, and reliability.

5. Perfect Size

The 24'6" Grand Tour EXT offers maximum livability while remaining easy to drive, park, and maneuver. Fits in standard parking spaces.

Auction Status: Coming Soon

This 2020 Airstream Interstate Grand Tour EXT (GT24) represents an exceptional opportunity to acquire a well-maintained, professionally upgraded Class B motorhome with comprehensive documentation and service history. The combination of Airstream quality, Mercedes-Benz engineering, and premium electrical upgrades makes this an outstanding value.

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