GTM 90 Transformer

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The fast & sporty yacht GTM 90 developed with Klassen

The fast & sporty yacht GTM 90 was developed not only to entertain, but also protect guests whatever the weather. The main aft deck and sun deck provide ample space for lounging open air and the beach club, spa, dining area and open-style galley with bar can be transformed with foldable bulwarks to allow a fresh sea breeze in. The striking exterior styling recalls the lines of modern supercars and a super-efficient hard chine hull delivers a top speed of 30+ knots with a range of 800nm ​​at 17 knots.

The first edition of the GTM 90 is being developed in collaboration with leading VIP-car tuner Klassen with interior decor that mirrors the design of exclusive Klassen vans with different leathers, rich wood paneling and elegant LED courtesy lights. Klassen will also be responsible for all the exterior detailing, including leather supply, stitching and other special automotive design features


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  • Hull type
    Hard chine
    Length overall
    27.5 m / 90’
    Beam overall
    6.7 m / 21’11”
    1.75 m / 5'9”
    160 GT
    Full aluminium, 5083
    Main engines
    3x Volvo Penta D13 IPS 1350, 735 kW
    3x IPS1350 drives
    2x 28 kW, Kohler
    2x Side Power curved fins
    Humphree interceptors + Seakeeper 26 (option)
  • Max speed
    31 knots
    Cruising speed (85% rpm)
    17 knots
    900 nm @ 15 knots
    730 nm @ 20 knots
    9,400 l / 2,480 US gallons
    Fresh water
    2,050 l / 541 US gallons
    Grey & black water
    1,250 l / 330 US gallons
    8 (+1) in 4 cabins
    4 in 2 cabins
  • Tender
    Williams 505 / Castoldi 16 (5,08 m / 16’ 8’’)
    ISO Class A, MCA MGN 280
    Exterior Design
    Dobroserdov Design
    Interior Design
    Giuseppina Arena / Dynamiq
    Build time
    18 months
Starting at 8,800,000 €