Dynamiq GTT 135

vs.

Sirena 42M

By YachtBuyer

YachtBuyer is the only place where you can directly compare competing yacht models, with full breakdowns on technical specifications and onboard features.

So with YachtBuyer you can not only enjoy the best data and market activity on your chosen yachts but also how they compare to their closest rivals.

Below, we delve into a detailed comparison of the Dynamiq GTT 135 and the Sirena 42M. The Dynamiq Dynamiq GTT 135 features a aluminium fast displacement hull, ensuring durability and a lighter weight. The yacht's length of 41m/134'6" and beam of 8.2m/26'11" provide a stable and spacious platform for both at-sea and anchored conditions. The Sirena Yachts 42M offers a very similar length of 42m/137'10", with a marginally wider beam of 8.8m/28'10",

Interested in owning a Dynamiq Dynamiq GTT 135 or Sirena Yachts 42M? Explore all globally available Dynamiq Dynamiq GTT 135 for sale and Sirena Yachts 42M for sale verified through YachtBuyer MarketWatch, free of fake listings, or check out all similar models from Dynamiq for sale or Sirena Yachts for sale.

At a Glance

Dynamiq GTT 135

Status

In Production

2020 - Present

Sirena 42M

Status

In Production

2026 - Present

41m

Beam 8.2m

Draft 1.8m

LENGTH : BEAM Ratio

0.00

11 Guests

5 Cabins

6 Crew

42m

Beam 8.8m

Draft 2.5m

LENGTH : BEAM Ratio

0.00

10 Guests

5 Cabins

9 Crew

Performance

Cruising Speed
Dynamiq GTT 135

0

knots
Sirena 42M

No Data

Top Speed
Dynamiq GTT 135

0

knots
Sirena 42M

No Data

Range

1k NM

1000NM

2k NM

2000NM

3k NM

3000NM
Dynamiq GTT 135

3,000 nm @ knots

*Range Speed is unknown
Sirena 42M

No Data

Fuel Capacity

Dynamiq GTT 135

-
Sirena 42M

-

Interior

For most buyers, interior layout, finish and especially space will rank as some of the most important factors when choosing a yacht, here you can see how your chosen yachts directly compare.

Dynamiq GTT 135

Sirena 42M

Accommodation

Cabin design and luxury should deliver a place of real sanctuary for the Owner or guests, with finish, space and light all key.

Dynamiq GTT 135

Sirena 42M

Deck Areas

As well as being a place to enjoy the real essence of yachting lifestyle, decks are also a serious work area and each area must be safe, practical and so fun to use.

Dynamiq GTT 135

Sirena 42M

Flybridge

A superb place to enjoy days or nights on the water, this raised deck and driving position adds another dimension to yacht ownership and the driving experience.

Dynamiq GTT 135

Sirena 42M

Beach Club

A true beach club should be a waterside lounge and terrace. Usually at the stern, a beach club might open on one, two or three sides of the yacht. It should be practical, able to withstand plenty of use, watersports and saltwater, but also luxurious, creating a spectacular retreat day or night.

No Beach Club

Sirena 42M

Compare Layouts

Sun Deck

Dynamiq GTT 135

Sirena 42M

Main Deck

Dynamiq GTT 135

Sirena 42M

Lower Deck

Dynamiq GTT 135

Sirena 42M

Upper Deck

Sirena 42M

LIVE: Used Price Guides

Find out how much a pre-owned version of these models may cost based upon the asking prices of all yachts listed for sale globally in the last 3 years according to YachtBuyer Market Watch & our current sales listings.

Dynamiq GTT 135 Used Prices

In Production Since: 2020

Average Price* £17.9m
Price Range ^† £17.9m - £17.9m
Average Age 3 years

£17.9m

Show Yachts Details

or Build Your Own

*Based on 1 yachts offered for sale in the last 3 years.
^†These yachts ranged from 3yrs old.

Rivals to Dynamiq GTT 135

Sirena 42M Used Prices

In Production Since: 2026

Average Price* -
Price Range ^† -
Average Age -

Available to order

View Options & Specs

42M For Sale

or Build Your Own

Rivals to Sirena 42M

Specification Data

Model Name:	GTT 135	42M
Builder:	Dynamiq	Sirena Yachts
Range:	Gran Turismo Transatlantic	Superyachts
Principal Characteristics
Body Type:	Superyacht	Superyacht
Use Types:	Cruising	Cruising
LOA:	41m	42m
Max Beam:	8.2m	8.8m
Draft:	1.8m	2.5m
Gross Tonnage:	229 GT	434 GT
Displacement:	-	496 Tonnes (Approx)
Hull Material:	Aluminium	Steel
Superstructure:	Aluminium	Aluminium
Fuel Capacity:	29,600 Litres	45,000 Litres
Fresh Water Capacity:	9,500 Litres	10,700 Litres
Black Water capacity:	6,800 Litres	8,500 Litres
Yacht Designers
Exterior Designer:	Dobroserdov Design	Luca Vallebona
Interior Designer:	Giuseppina Arena, Dynamiq	Hot Lab, Luca Vallebona
Accommodation
Guests:	11	10
Cabins:	5	5
Berths:	4x Double2x Single	1x King2x Double4x Single
Guests Heads:	7	7
Crew
Crew:	6	9
Crew Cabins:	3	5
Crew Heads:	3	5
Engines & Performance
Max Speed:	21 knots	-
Max Range:	-	-
Brand:	MAN
Model:	V12-1550
Qty:	x2
Power:	1,550 bhp (1 Kw) each @ 2,300 rpm
Max Speed:	21 knots
Cruising Speed:	19 knots
Economic Speed:	-
Cylinders:	12 Cylinder
Bore:	128 mm	-

Speeds/Ranges Are Approx. - Subject to Load, Sea Conditions & Variables.

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42M For Sale

WRITTEN BY

Editorial Team

WRITTEN BY

Editorial Team

The editorial team at YachtBuyer consists of yacht specialists, seasoned professionals, renowned journalists, and individuals with a profound passion for the world of yachting.

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