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Features
The Adria Twin Supreme 640 SLB is a premium 2-berth campervan that delivers exceptional comfort, space, and versatility, built on the reliable Fiat Ducato chassis. At 6.36 metres in length, this extra-long wheelbase model offers a noticeably more spacious interior, featuring Adria’s signature open-plan cabin loft design and panoramic sky roof that floods the living area with natural light. The front lounge benefits from swivel cab seats and a flexible dinette, creating a comfortable and sociable space, while high-quality materials, ambient LED lighting, and modern finishes provide a refined, contemporary feel throughout. The high end specification includes the luxury pack, solar panel, door flyscreen and an 84 litre fridge.
To the rear, the standout feature is the twin single beds, each measuring approximately 200 x 82 cm, which can be converted into a large double bed using the infill section, offering flexibility and comfort for all sleeping arrangements .
The fully equipped kitchen includes an integrated hob, sink, fridge, and ample storage, making it ideal for extended touring, while the innovative duplex washroom provides a clever space-saving design with shower, toilet, and basin.
Designed for year-round use, the Twin Supreme benefits from excellent insulation and a high-performance heating system, ensuring comfort in all conditions . Additional features typically include cab air conditioning, cruise control, USB connectivity, and modern driver aids, along with generous storage solutions throughout the vehicle.
Combining Adria’s renowned build quality with a practical yet luxurious layout, the Twin Supreme 640 SLB is the ideal choice for couples seeking a high-spec campervan with increased living space and flexible sleeping arrangements for extended adventures.
At Abacus Motorhomes, we pride ourselves on being your one-stop motorhome shop. As an NCC-approved dealer and main agent for Adria and Swift, all our vehicles are fully inspected by our AWS NCC-approved workshop, PDI’d, and come with a comprehensive handover so you feel confident in how everything works. We also offer finance options, part exchanges, full servicing, warranty, valet, and ongoing customer support.
Every purchase includes fantastic extras: a free 12-month Caravan & Motorhome Club membership, exclusive VIP Owners Club access, and even a complimentary stay at a New Forest campsite – the perfect start to your motorhome adventures.
Every effort has been made to ensure the accuracy of the information provided. However, errors and omissions may occur. We strongly recommend that all customers inspect the vehicle in person and verify all details prior to purchase.
When you buy a brand new motorhome from Abacus, you will take possession of a pristine vehicle that has been fully checked for defects.
Each vehicle undergoes a thorough inspection as per the manufacturers specification, and comes with 2 year manufacturers warranty on the Chassis and Habitation area.
Caravan and Motorhome Club members can access over 2,700 campsites across the UK and Europe and can make hundreds of everyday savings on activities, products and more. As a member of the club you'll save £15 per night every time you stay on one of their quality UK Club campsites.
Visit the Caravan and Motorhome Club website to find out more by clicking here.

You're welcome to call in to see us anytime, but we highly recommend that you make an appointment first.
Having an appointment ensures that there is a knowledgeable staff member available to assist you. This is particularly important if you have specific questions or if you're looking for expert advice on various aspects of the motorhome, such as its features, maintenance, or financing options.
To make an appointment please contact the Sales Team on 01264 319990 or send us a message by clicking here.
From
£85,995
Specifications
Manufacturer: Adria
Model: Twin Supreme
Trim: 640 SLB
Mileage: 5
Layout: Rear Fixed Bed
Doors: 5
Passengers: 4
BHP: 140
Berth: 2
External Height (mm): 2580
External Width (mm): 2050
External Length (mm): 6360
Fuel Type: Diesel
Transmission: Automatic
Enquiry about this vehicle
Join us this March for our Swift Spotlight Event and explore the brand-new 2026 range, alongside a wide selection of new and pre-owned motorhomes and campervans.
✔ Secure a brand-new 26 registration
✔ Finance available from 7.9% APR
✔ Exclusive event offers
✔ Complimentary Swift goodie bag with pre-booked appointments
Visit us in Andover, SP11 8BF, and find your next adventure today.