Adria · motorhome

Adria Sonic I 700 SL

RoamWorthy records the Adria Sonic I 700 SL as a motorhome. Recorded catalogue data: 4 berths; layout: Twin singles; length 7.52m; width 2.32m; height 2.96m; MTPLM 4,500kg; payload 1,285kg; base vehicle: Fiat Ducato; recorded price range £65,000 to £115,000. No live dealer stock is currently linked to this model on RoamWorthy. Specifications can vary by model year, trim and optional equipment. Check the individual listing and manufacturer documentation before purchase.

Adria Sonic I 700 SL key facts

  • Berths: 4
  • GVW: 3500 kg
  • Unladen weight: 3215 kg
  • Payload: 1285 kg
  • Length: 7.52 m
  • Width: 2.32 m
  • Base vehicle: Fiat Ducato
  • Observed price range: £65,000 to £115,000

Key features

  • Integrated panoramic sunroof and large wrap-around windscreen
  • Rear twin longitudinal beds with high-quality mattresses
  • Electric drop-down front double bed seamlessly integrated into the ceiling
  • Alde hydronic central heating system for year-round comfort
  • Large heated garage with dual-side access doors
  • Luxurious 'L-shaped' dinette with adjustable table
  • Adria 'Comprex' body construction with 7-year water ingress warranty

Adria Sonic I 700 SL: what to know

The Adria Sonic I 700 SL is an integrated motorhome with four berths, rear twin beds, a drop-down bed and an L-shaped lounge. Its recorded length is 7.52 m, with a width of 2.32 m and a height of 2.96 m. The recorded weight figures require careful confirmation because the supplied data lists an MTPLM of 4500 kg alongside a GVW of 3500 kg, while the editorial also says that some examples exceed 3,500 kg.

  • The rear twin-bed layout can convert into a large double, according to the supplied editorial.
  • The integrated design includes a panoramic driving area, with a listed panoramic sunroof and wrap-around windscreen.
  • The listed payload is 1285 kg, but the relationship between the supplied weight figures should be checked against the specific vehicle.
  • The listed price range is £65000 to £115000.
  • The marketplace currently records no listings and six images.

Worth knowing: Specifications can vary by model year, trim and optional equipment. Confirm the plated weights, licence requirement and actual payload for the individual vehicle before purchase. The supplied editorial contains a conflicting payload reference of 334 kg, so the payload should not be relied upon without documentation.

Who should consider the Adria Sonic I 700 SL?

Who it suits

  • Couples or small families wanting four berths in an integrated layout with rear twin beds and a drop-down front double bed.
  • Buyers who value a spacious L-shaped lounge, a wide-body interior and a large garage for bikes or other outdoor equipment.
  • Owners prepared to check weight and driving-licence implications carefully before committing to a large motorhome.

Reasons to consider it

  • The combination of rear twin beds and a drop-down bed provides flexible sleeping arrangements for four occupants.
  • The 7.52 m length, 2.32 m width and 2.96 m height support the supplied description of a spacious interior, while creating clear access and storage considerations.
  • The listed Alde hydronic central heating, heated garage and Comprex body construction are relevant to buyers seeking equipment for varied-season touring.
  • The supplied price range spans £65000 to £115000, placing this model within a broad premium buying budget.

What to check

  • Check the vehicle plate and paperwork because the supplied MTPLM of 4500 kg and GVW of 3500 kg do not align without further explanation.
  • Confirm whether the particular example can be driven on the buyer’s licence, especially where the actual plated weight exceeds 3500 kg.
  • Measure access routes and storage space against the 7.52 m length, 2.32 m width and 2.96 m height.
  • Verify the payload using the individual vehicle’s documented mass and fitted options; do not rely on the conflicting supplied payload references.
  • Inspect the rear twin-bed conversion, drop-down bed, L-shaped lounge and garage access arrangements in person or through vehicle-specific evidence.

Worth knowing: The supplied data does not identify a production-year range, so age-related specification differences cannot be resolved here. Equipment and specifications may vary by model year, trim and optional equipment.

Compare the Adria Sonic I 700 SL with similar models

ModelBerthsMaximum weightLengthTypical price
Adria Sonic I 700 SL44500 kg7.52 m£65,000 to £115,000
Adria Coral Supreme 670 DL43500 kg7.48 m£65,000 to £105,000
Mobilvetta K Yacht T Line 95 244400 kg7.54 m£75,000 to £115,000

The Adria Sonic I 700 SL offers a four-berth integrated layout with rear twin beds, a drop-down bed and an L-shaped lounge, but its supplied weight figures and payload references need particular verification. The listed alternatives are close in length and berth count, while differing in recorded weight figures and price ranges. The most suitable choice depends on the buyer’s licence position, required payload, preferred layout and budget, so the supplied data does not establish a single winner.

Worth knowing: Specifications and prices can vary by model year, trim and optional equipment.

Ownership points for the Adria Sonic I 700 SL

  • Record the vehicle’s actual plated weights and keep the payload calculation specific to the fitted example.
  • Allow for the 7.52 m length, 2.32 m width and 2.96 m height when planning storage, access and routes.
  • Use the rear twin beds and drop-down bed according to the individual vehicle’s documented operating instructions, particularly when converting the rear beds into a double.
  • Check the large garage and its dual-side access against the equipment you intend to carry, while keeping the final load within the confirmed payload.
  • Use the supplied layout information when planning occupancy: the model has four berths, an L-shaped lounge, rear twin beds and a drop-down bed.

Common mistakes to avoid

  • Assuming the supplied 3500 kg GVW applies to every example when the supplied data also records an MTPLM of 4500 kg.
  • Using the listed 1285 kg payload without confirming how it was calculated or reconciling it with the separate editorial reference to 334 kg.
  • Underestimating the practical effect of the vehicle’s 2.32 m width and 2.96 m height when choosing storage or navigating restricted access.

Worth knowing: No specific fault pattern or maintenance schedule is supplied, so ownership checks should remain focused on the documented layout, dimensions, weights and fitted equipment. Actual operating details can vary with model year, trim and optional equipment.

Alternatives to the Adria Sonic I 700 SL

  • Adria Coral Supreme 670 DL - Consider the Adria Coral Supreme 670 DL if you want four berths at 7.48 m with a listed 3500 kg weight figure and a price range of £65000 to £105000.
  • Mobilvetta K Yacht T Line 95 2 - Consider the Mobilvetta K Yacht T Line 95 2 if you want four berths at 7.54 m and a listed 4400 kg weight figure, with a price range of £75000 to £115000.
  • Mobilvetta K Yacht T Line 95 - Consider the Mobilvetta K Yacht T Line 95 if you want four berths at 7.44 m and a listed 4400 kg weight figure, with a price range of £75000 to £115000.

Data and source notes

  • This page uses the maintained RoamWorthy record for the Adria Sonic I 700 SL.
  • 9 model images are recorded for this page and served from RoamWorthy-hosted media.
  • 2 recorded source groups are available in the source section below.

Proof notes

  • 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 Adria Sonic I 700 SL

This page is supported by 2 recorded source groups.

Last reviewed: 2026-09-18T03:25:00.464706+00:00