Knaus · motorhome

Knaus Sun I

RoamWorthy records the Knaus Sun I as a motorhome. Recorded catalogue data: 4 to 5 berths; layout: Island bed; length 7.60m; width 2.34m; height 2.90m; MTPLM 4,500kg; payload 800kg; recorded price range £85,000 to £140,000. RoamWorthy currently links 1 live dealer listing to this model. Specifications can vary by model year, trim and optional equipment. Check the individual listing and manufacturer documentation before purchase.

Knaus Sun I key facts

  • Berths: 4-5
  • Unladen weight: 3700 kg
  • Payload: 800 kg
  • Length: 7.6 m
  • Width: 2.34 m
  • Observed price range: £85,000 to £140,000
  • Available listings: 1

Key features

  • Integrated A-Class Design with Panoramic Windscreen
  • High-Quality Interior Finishes and Smart Space Utilisation
  • Luxurious Rear Bedroom Options (e.g., Island Bed, Fixed Single Beds)
  • Advanced Heating and Insulation for All-Season Use
  • Spacious L-Shaped Lounge with Swivelling Cab Seats
  • Fully Equipped Gourmet Kitchen with Premium Appliances
  • Large Garage Storage for Outdoor Gear

Is the Knaus Sun I the right luxury A-Class for you?

The Knaus Sun I is a premium A-Class motorhome designed for 4 to 5 people, offering a high 800kg payload and a 4500kg MTPLM. Built on a 7.6m chassis, it features luxury layouts such as Island Beds and L-shaped lounges. With prices ranging from 85000 to 140000, it serves as a flagship model for those requiring significant storage and all-season insulation.

  • Integrated A-Class body with a panoramic windscreen for enhanced road visibility.
  • Flexible sleeping arrangements including Island Bed and Fixed Single Bed options.
  • Substantial 800kg payload capacity for heavy equipment and supplies.
  • All-season capability supported by advanced heating and insulation systems.
  • Spacious L-shaped lounge area complemented by swivelling cab seats.

Worth knowing: The 4500kg MTPLM requires drivers to hold a C1 category licence in the UK. A width of 2.34m and length of 7.6m may present challenges on narrow rural routes.

Buying a Knaus Sun I: What you need to know

Who it suits

  • Long-distance tourers who require a high 800kg payload for extended trips.
  • Families or groups of up to 5 people seeking a spacious L-shaped lounge and drop-down cab bed.
  • Winter enthusiasts who benefit from the integrated design and advanced insulation.

Reasons to consider it

  • Exceptional build quality from a flagship German manufacturer.
  • High-capacity storage solutions including a large garage for outdoor equipment.
  • Superior visibility provided by the integrated A-Class panoramic windscreen.

What to check

  • Verify the specific bed configuration as layouts vary between Island and Fixed Single options.
  • Confirm the exact berth count for your chosen unit, as models range from 4 to 5 berths.
  • Check the service history of the advanced heating system to ensure all-season readiness.
  • Inspect the large rear garage for any signs of wear from previous outdoor gear storage.

Worth knowing: The 4500kg weight exceeds the standard 3500kg car licence limit. The 7.6m length requires careful consideration for standard parking and storage spaces.

Compare the Knaus Sun I with similar models

ModelBerthsMaximum weightLengthTypical price
Knaus Sun I54500 kg7.60 m£85,000 to £140,000
Hymer B-MC I680 BLACKLINE54430 kg7.39 m£110,000 to £155,000
Adria Sonic54400 kg7.52 m£75,000 to £135,000

The Knaus Sun I sits at the higher end of the luxury A-Class market with a price range reaching 140000. While alternatives like the Adria Sonic or Bürstner Lyseo I 727 G offer similar 5 berth capacities at lower starting prices, the Knaus distinguishes itself with a 4500kg MTPLM and a generous 800kg payload. It is longer than the Hymer B-MC I680 at 7.6m, trading a larger footprint for internal volume and storage capacity.

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

Ownership and maintenance tips for the Sun I

  • Utilise the 800kg payload to carry seasonal gear without compromising safety.
  • Regularly clean the panoramic windscreen to maintain the visibility benefits of the A-Class design.
  • Ensure the C1 licence remains valid for all intended drivers due to the 4500kg weight.

Common mistakes to avoid

  • Underestimating the 2.9m height when navigating under low bridges or fuel station canopies.
  • Exceeding the rear axle limit when fully utilising the large garage space.

Worth knowing: Always verify the specific MTPLM on the vehicle plate before transit. Payload figures can be affected by the installation of optional premium appliances.

Alternatives to the Knaus Sun I

  • Hymer B-MC I680 BLACKLINE - The Hymer B-MC I680 BLACKLINE offers a similar 5 berth capacity but with a slightly shorter 7.39m length for those seeking a more compact A-class footprint.
  • Adria Sonic - The Adria Sonic provides a comparable 5 berth layout and 4400kg MTPLM at a lower starting price point of 75000.
  • Bürstner Lyseo I 727 G - For buyers prioritising a lower MTPLM, the Bürstner Lyseo I 727 G offers a 4250kg weight while maintaining a 5 berth configuration.

Data and source notes

  • This page uses the maintained RoamWorthy record for the Knaus Sun I.
  • 8 model images are recorded for this page and served from RoamWorthy-hosted media.
  • 1 current linked dealer listing helps keep stock and price context connected to the model.

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 Knaus Sun I

This page is supported by 1 recorded source group.

Last reviewed: 2026-08-01T05:00:19.821709+00:00