The 2026 Chausson 640 Ultimate Line is a 4-berth, low-profile motorhome that balances a compact 6.99m length with an exceptionally spacious "maxi" interior. For the 2026 season, this "Ultimate Line" variant is specifically built on the Fiat Ducato chassis.
Key Specifications & Performance
Chassis: Fiat Ducato 2.2L with 140 BHP engine.
Transmission: 8-speed automatic gearbox.
Dimensions: Length: 6.99m | Width: 2.35m | Height: 2.92m.
Weight: 3,500kg (drivable on a standard Category B licence).
Capacity: 4 berths and 4 travel seat belts.
Interior Layout
The 640 is renowned for its "open-plan" feel, achieved by omitting a fixed permanent bed in favour of an electric drop-down system.
Smart Lounge: A front "maxi-lounge" with face-to-face sofas and swivel captain's chairs that can accommodate up to six people.
Sleeping: Features an XXL electric drop-down bed (1.60m wide) that disappears into the roof during the day. The lounge below also converts into a second double bed.
Maxi Bathroom: A full-width rear washroom with a separate shower cubicle, cassette toilet, and a large dressing area.
Kitchen: Fully equipped with a stainless steel sink, 3-burner hob, oven, grill, and a large 167-litre fridge-freezer.
Included Features & Packs
Models for the UK market typically include the Sovereign Pack, which bundles several high-end upgrades:
Arctic Pack: Includes an insulated and heated waste water tank, enhanced diesel heating (usable while driving), and underfloor electric heating.
Connect Pack: A touchscreen Bluetooth DAB radio with steering wheel controls and a reversing camera.
Accessory Pack: Features a 140W solar panel and an exterior awning.
Safety Pack: Advanced driver aids such as lane support, traffic sign recognition, and collision warning.
Storage
Despite its length, it offers a full-size external garage suitable for bikes or a scooter, accessible from both sides and the interior washroom. Inside, a large wardrobe with drawers and shelves provides extensive storage for clothing.
Available to view now.
Vehicle Enquiry
