Dethleffs Alpa I Series
Alpa I 6820-2, I 7820-2
The Dethleffs Alpa I series is aimed specifically at discerning single travelers and couples who value maximum living comfort, sophisticated design and first-class equipment. With the two models Alpa I 6820-2 and Alpa I 7820-2, the series offers integrated motorhomes that impress with generous space solutions, an exclusive two-person concept and numerous comfort features. Whether for relaxed weekend getaways or extended trips: The Alpa I series combines functionality, elegance and suitability for everyday use at a high level.
What others say about the Dethleffs Alpa I series

Highlights
Technical data
The Dethleffs Alpa I series includes the 6820-2 and 7820-2 models, which stand for comfortable, flexible travel with a focus on driving safety and well thought-out design. Ideal for couples and small families, these semi-integrated motorhomes offer a successful combination of generous space, modern equipment and a robust chassis. Perfect for long tours and versatile applications. Here is an overview of the most important technical details:
Alpa I 6820-2
- Drive: Front-wheel drive
- Chassis: Fiat Ducato Maxi AL-KO low frame
- Performance: 180 HP
- Water tank capacity: 130/ 20 Liter
- Waste water tank: 120 liters
Alpa I 7920-2
- Drive: Front-wheel drive
- Chassis: Fiat Ducato Maxi AL-KO low-frame 3-axle vehicle
- Performance: 180 HP
- Water tank capacity166/ 20 Liter
- Waste water tank: 156 liters
Dimensions
The Dethleffs Alpa I series impresses with well-balanced dimensions that ensure a perfect balance between generous space and good maneuverability. The Alpa I 6820-2 and Alpa I 7820-2 models are ideal for comfortable travel without compromising on agility and maneuverability.
The Alpa I 6820-2 has a length of 7.45 meters, a width of 2.32 meters and a height of around 3.04 meters. Its wheelbase is 4.25 meters, which ensures stable driving characteristics and a comfortable interior design. The Alpa I 7820-2 is slightly longer at 8.55 meters and therefore offers even more space in the interior. The width remains the same at 2.32 meters and the height at approx. 3.04 meters. The wheelbase increases to 4.6 meters, which provides additional stability and space comfort.
Price information
The prices of the Dethleffs Alpa I models depend on the equipment selected and the individual customization options. The entry-level price for this series starts at around 85,000 euros, but can rise significantly depending on the equipment variant and special options.
Overview of prices per model
- Starting price Alpa I 6820-2: 145,299 Euro
- Starting price Alpa I 7820-2: 164,299 Euro
Additional extras and optional extras, such as extended comfort packages or innovative technology features, can increase the total price individually.
Note: Please note that these are only approximate prices. You must contact the manufacturer for exact prices!
Living, interior design & equipment
The Alpa I models impress with a perfect combination of functional design and high-quality living comfort. The interior has been specifically designed to create a homely, practical and stylish ambience. The central areas - living area, kitchen, bathroom and storage space - of the Alpa I series are described in more detail below.
The living area of the Alpa I models offers generous, ergonomically shaped upholstery with durable, high-quality fabrics or leather options. The lighting is cleverly integrated, with dimmable LED lights that create a warm and pleasant atmosphere. The design focuses on clean lines and subtle color tones that make the room feel open and friendly.
Kitchen
The kitchen is modernly equipped with a multi-burner gas hob that enables precise cooking. The worktops are made of robust, easy-care material and offer plenty of space for preparing meals. A large fridge with freezer compartment provides ample storage space for food, complemented by practical drawers and cupboards for kitchen utensils.
Note: For detailed information, we recommend consulting the official technical data sheets from Dethleffs or authorized dealers.
Bathroom
The bathroom in the Alpa I models combines comfort with elegant design. A spacious shower with glass partition guarantees a pleasant showering experience, while high-quality fittings and a functional washbasin corner ensure suitability for everyday use. Additional extras such as a towel radiator or an illuminated mirror are optionally available to further increase comfort.
Storage space
The Alpa I models offer well thought-out storage space solutions that are optimally integrated into the interior. Several cupboards, large compartments under the seats and practical niches provide plenty of space for storing everyday items. There is also a spacious garage that can easily accommodate bicycles, camping accessories or larger items.
Sleeping facilities
The Alpa I models offer well thought-out and versatile sleeping solutions that meet different needs on the road. Thanks to different sleeping configurations, high-quality mattresses and flexible usage options, they guarantee a restful night's sleep, whether for single travelers or couples.
The range includes various sleeping configurations: From practical single beds and comfortable island beds to electrically or manually lowerable drop-down beds that keep the living area open during the day. This means that the models can be flexibly adapted to different living and sleeping requirements.
Comfort
The Alpa I models use high-quality mattresses with orthopaedic support. The breathable materials ensure a pleasant sleeping climate. Additional comfort features such as toppers or adjustable slatted frames are optionally available to further improve sleeping comfort.
Flexibility
Many sleeping areas in the Alpa I series are multifunctional and can be easily converted. For example, seating groups can be quickly transformed into comfortable sleeping areas in the evening. The fold-down beds can also be lowered to save space and provide more room for living and relaxing during the day.
All variants in direct comparison
Alpa I 6820-2
- Sleeping area: Alcove bed, fold-down bed
- Storage space: Plenty of storage space, partition to the cab
- Target group: Ideal for couples looking for comfort or families of up to five people
- Bathroom: Spacious bathroom with separate shower
- Price: approx.145,299 Euro
Alpa I 7820-2
- Sleeping area: Double bed, fold-down bed
- Storage space: Plenty of storage space, clothes and linen cupboard
- Target group: Ideal for couplesBathroom: Spacious bathroom with separate shower
- Price: approx. 164,299 Euro
Conclusion
The Dethleffs Alpa I Series impresses with two well thought-out integrated units that are specially designed for couples who like to travel. The Alpa I 6820-2 combines compact dimensions with high living comfort, offers a fixed double bed in the rear, a functional bathroom and plenty of storage space - ideal for relaxed trips for two.
The Alpa I 7820-2 extends this concept with even more space, a larger rear garage and additional comfort in the living and sleeping areas. Both models offer high-quality equipment, modern design and clever storage space solutions - perfect for anyone who doesn't want to compromise on living quality when on the road.
Disclaimer: The above information was compiled with the support of artificial intelligence (AI). Despite careful research, we assume no liability for the accuracy, completeness or timeliness of the information. Technical data, equipment and prices are subject to change at any time. This information does not constitute a guarantee or warranty. Please check all details directly with the manufacturer or dealer before purchasing.


