Highlights
- Rare bespoke American-built Class B motorhome in RHD by Airstream
- Cost up to £310,000 when new
- Dry stored 2015 to 2023 in Singapore with only 1,520km from new
- Living area reportedly never used, with protective plastic seals still in place
- MOT valid until June 2027 with no advisories
- Private registration plate HBZ 290 included in the sale
The Appeal
Airstream made its name with its iconic teardrop aluminium trailers, but in recent years has turned its attentions to camper van conversions. You could be forgiven for not clocking this because at up to $310,000 for a van like the one in the photos, these bespoke vehicles are firmly aimed at a very small audience of uber-wealthy clientele.
The firm’s Interstate EXT is a bespoke build based on Mercedes’ 24ft 6in long 519CDI V6 Sprinter. The idea behind it is to produce a four-wheeled ‘Grand Lounge’ for travelling, entertaining and luxury off-grid living.
Here is your chance to sample the sort of mobile luxury more usually associated with Bentleys, Rolls-Royces and Lurssen yachts. We are told that this 2014 EXT was a cancelled order, resulting in it being dry stored in Singapore between 2015 and 2023. It arrived in the UK in 2025 and is now locally registered and carries a current MOT to June 2027 with no advisories.
The mileage is just 1,520 km (944 miles), which means that the extremely luxurious interior, trimmed in full black leather, is essentially ‘as new.’ Some of the fittings still have their protective plastic coverings in place. It also comes to market freshly serviced, although the vendor recommends a few further checks if you’re planning a long trip, given its limited use from new.
The vendor says:
“It is a "as new" Airstream Interstate EXT. These retailed at $300k new and are top of the line. Has to be seen to be appreciated.”
Key Information
- Mileage: 1,520 km (944 miles) indicated
- Country of Registration: Originally registered in Singapore, now on UK plates
- Technical inspection status: MOT valid until 11th June 2027 with no advisories
- Technical specification: 190bhp OM642 3.0-litre V6, 6spd 7G-TRONIC automatic
- Registration: private registration plate HBZ 290 included in the sale
The Detail
- Black paintwork with privacy glass
- Service completed in March 2025, including fuel filter replacement
- Approximately 1,000 km covered since the March 2025 service
- Starts and runs as expected; has been driven on the motorway
- Air conditioning is not currently blowing cold air
- LPG underfloor generator shows 0.0 hours — never been run
- Electric starter engages, but no fuel in the LPG tank
- Servicing recommended before use
- Slight rub/paint mark on the offside front wing
- Some ancillary item doors (e.g. water heater compartment) show weathering
- Cooker, bathroom, and other living area amenities still have factory protective plastic seals in place
- Two pieces of internal trim behind the driver's seat were replaced with Mercedes plastic parts due to damaged fabric trim
- Detachable tow hook fitted, but no towing electrics in place: would need fitting
- Full-size ALCOA spare wheel included
- Due to the extended storage period, a thorough check-over is recommended before extended use
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