Lunar Lexon 640 Caravans for Sale
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Answer in brief
What should buyers know about the Lunar Lexon 640?
RoamWorthy's maintained guide places the Lunar Lexon 640 at £14,500–£24,000. There is not yet enough exact live listing evidence to present that as a current market range.
At range level, the Lunar Lexon 640 sleeps up to 4, has a guide MTPLM of 1,700kg, is approximately 7.8m long. Specifications can vary by model year and derivative, so verify the exact vehicle before purchase.
- Market evidence
- Maintained RoamWorthy model guide
- Prices checked
- 15 August 2026
- Specification scope
- Range-level guide; exact derivative varies
See the complete price evidence or read how RoamWorthy verifies vehicle information.
At a glance
- The Lunar Lexon 640 sleeps up to 4 across the recorded range, making it suitable for family touring.
- Guide MTPLM: 1,700kg. Check the exact derivative and plated weight before towing.
- Guide length: 7.82m.
- No exact current dealer listings are available on RoamWorthy at the latest evidence check.
Quick verdict for Lunar Lexon 640
Quick Verdict
The Vitals
Maintained Price Guide
Maintained catalogue guide range
£14,500–£24,000
Guide midpoint: £19,250
See the evidence-backed price guide below for current and recently sold listings.
About the Lunar Lexon 640
The Lunar Lexon 640 is a distinguished twin-axle caravan that has long been a favorite for families and couples who refuse to compromise on living space. Built on an AL-KO chassis with a reputation for lightweight construction, this model delivers a remarkably spacious interior without the heavy towing weight usually associated with large caravans. Inside, you will find premium upholstery, a well-appointed kitchen featuring high-quality appliances, and a luxurious washroom that often spans the full width of the rear, providing a domestic-standard showering experience.
Designed for year-round comfort, the Lexon 640 typically features the Alde central heating system, ensuring a consistent and cozy temperature regardless of the British weather. The large panoramic front windows and rooflights flood the living area with natural light, creating an airy atmosphere that makes extended stays feel like a home away from home. Whether you are coastal hopping or parked up in the countryside, this model offers the perfect balance of sophistication and durability. Explore the latest Lunar Lexon 640 listings and find your perfect match on RoamWorthy.
Use our Towing Calculator to check if your car can tow this model.
Lunar Lexon 640 Video Reviews
Expert reviews and walkthroughs of the Lunar Lexon 640
More videosInterior Layout & Sleeping Configuration
Explore the Lunar Lexon 640 floorplan and discover how the space works.
Lunar Transverse Island Bed layout illustration
Layout features
Sleeping capacity
About the layout
Features a fixed bed plus additional sleeping space for 4 people. The permanent bed avoids nightly conversion.
Lunar Lexon 640 Price Guide
A maintained guide range for the Lunar Lexon 640. There is not yet enough exact listing evidence to call this a current market range. Evidence checked 15 August 2026.
Maintained guide range
Maintained RoamWorthy model guide
Lunar Lexon 640 prices vary by year, specification and condition. A recent damp check, service history and fitted accessories can affect value.
Exact current stock: 0 listings. Recently sold listing records: 0.
Live Lunar Lexon 640 Inventory
There are no verified exact-match Lunar Lexon 640 caravans currently available. We will tell you when one is listed.
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Answer-critical specifications use RoamWorthy maintained guide where available.
Weights
Dimensions
Accommodation
Towing Requirement
Verify your tow vehicle against this exact derivative's plated MTPLM of 1,700 kg before purchase. Check your car's towing capacity →
Can your car tow the Lexon 640?
Run a quick tow check using this model's 1,700kg MTPLM. Enter your reg and we'll tell you if it's a safe match.
How we assess the Lunar Lexon 640
- Compiled from dealer feeds and manufacturer data. Specifications, prices, and stock sourced from verified UK dealers and brand records
- Specs vary by year, trim, and options. Weights, dimensions, berths, and equipment can differ between model years and optional packs
- Prices based on recent UK listings where available. Price ranges reflect current and recent dealer listings. Actual prices may vary by condition, year, and specification
- Always confirm before buying. Verify exact specifications, condition, and equipment with the seller or manufacturer
Practical ownership tips
Towing suitability
At 1,700kg MTPLM, your tow car needs a kerbweight of at least 2,000kg to meet the 85% guideline. Check towing capacity by reg or use the towing calculator to compare a specific car and caravan.
Available payload
The Lunar Lexon 640 has approximately 185kg of user payload. This must cover all personal belongings, water, gas, awning, and accessories. Overloading affects handling and is illegal.
Before you buy
Request a habitation check or damp survey for any used caravan. Check the service history, tyre age, chassis condition, and whether the CRIS registration matches the seller. Specifications vary by year and trim level.
Frequently Asked Questions
More from Lunar
Other Lunar caravans to consider
Similar caravans from other brands
Comparable alternatives worth considering
Caravan Towing Calculator
Can your car tow this caravan? Check the 85% rule, tow limit, and GTW before you buy.
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- Avoid costly mistakes
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Common layouts
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Useful narrowing step for users moving toward live stock
Useful narrowing step for users moving toward live stock
Useful narrowing step for users moving toward live stock
Useful narrowing step for users moving toward live stock
Useful narrowing step for users moving toward live stock
Useful narrowing step for users moving toward live stock
Is the Lunar Lexon 640 a practical choice for long-distance touring?
Lunar Lexon 640 is covered here using recorded catalogue, marketplace and source evidence. Specifications can vary by model year, trim and optional equipment.
- Twin-axle AL-KO chassis with ATC trailer control and AKS stabiliser for enhanced road stability.
- Alde central heating and water system designed for consistent year-round thermal comfort.
- Spacious rear washroom configuration featuring a dedicated walk-in shower cubicle.
- Flexible 4 berth sleeping options including fixed island beds or twin bed layouts.
- Kitchen equipped with a large fridge-freezer, microwave, and high-quality appliances.
Worth knowing: Specifications can vary by model year, trim and optional equipment. A payload of 185kg must be managed carefully when packing for four occupants. Maintenance costs for four tyres and brakes are typically higher than single-axle alternatives.
Buying a Lunar Lexon 640: What you need to know
Who it suits
- • Families or couples seeking a domestic-standard washroom and generous living space for extended stays.
- • Tourers who prefer the superior tracking and stability provided by a twin-axle configuration on the road.
Reasons to consider it
- • Recorded catalogue and marketplace information are brought together for comparison.
- • High-specification interior featuring LED mood lighting and a fully equipped kitchen.
- • Excellent natural light provided by large panoramic front windows and rooflights.
What to check
- • Verify the specific layout as this model offers fixed island bed, twin bed, and front lounge conversion options.
- • Check the condition of all four tyres and the braking system, as maintenance costs are higher for twin axles.
- • Confirm the operation of the Alde central heating system and the integrity of the panoramic front sunroof.
Worth knowing: Twin axles can be more difficult to manoeuvre by hand on tight pitches without a motor mover. Specifications can vary by model year, trim and optional equipment.
Compare the Lunar Lexon 640 with similar models
| Model | Berths | MTPLM | Length | Typical price |
|---|---|---|---|---|
| Lunar Lexon 640 | 4 | 1700 kg | 7.82 m | £14,500 to £24,000 |
| Lunar Delta RI | 4 | 1715 kg | 7.92 m | £16,500 to £32,000 |
| Bailey Unicorn Barcelona | 4 | 1650 kg | 7.91 m | £18,000 to £38,000 |
Compare the recorded specifications, layout and marketplace information, then confirm the exact model year and trim before choosing.
Worth knowing: Specifications and prices can vary by model year, trim and optional equipment.
Tips for Lunar Lexon 640 owners
- Utilise the AL-KO ATC and AKS systems to maintain stability during motorway towing.
- Use the vehicle plate and handbook when checking weight and dimensional limits.
- Monitor the 1700kg MTPLM when loading the front lounge and rear bedroom to maintain a balanced noseweight.
Common mistakes to avoid
- • Exceeding the 185kg payload by installing heavy aftermarket accessories without weighing the vehicle.
- • Relying on catalogue information without checking the exact vehicle.
Worth knowing: Always verify the exact MTPLM on the weight plate as specifications can vary by year.
Alternatives to the Lunar Lexon 640
A related model worth comparing on recorded layout, weight and marketplace information.
Bailey Unicorn BarcelonaThe Unicorn Barcelona provides a similar 4 berth layout with a lower MTPLM of 1650kg, potentially suiting different tow vehicles.
Bailey Unicorn PamplonaA similarly sized model worth comparing on layout, weight and price.
Data and source notes
- This page uses the maintained RoamWorthy record for the Lunar Lexon 640.
- 4 model images are recorded for this page and served from RoamWorthy-hosted media.
Specifications can differ by production year, trim and optional equipment.
Dealer listings are used as current marketplace evidence, not as a substitute for the exact vehicle documentation.
Worth knowing: Confirm weights, dimensions and fitted equipment for the exact vehicle before purchase or towing.
Sources and review status for the Lunar Lexon 640
This page is supported by 1 recorded source group.
- RoamWorthy maintained model catalogueeditorial database
Specifications can vary by model year, trim and optional equipment.
Read how RoamWorthy verifies model information →No Lunar Lexon 640 caravans available
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