Sirena 42M

vs.

Dynamiq GTT 135

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

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

At a Glance

Sirena 42M

Status

In Production

2026 - Present

Dynamiq GTT 135

Status

In Production

2020 - Present

42m

Beam 8.8m

Draft 2.5m

LENGTH : BEAM Ratio

0.00

10 Guests

5 Cabins

9 Crew

41m

Beam 8.2m

Draft 1.8m

LENGTH : BEAM Ratio

0.00

11 Guests

5 Cabins

6 Crew

Performance

Cruising Speed
Sirena 42M

No Data
Dynamiq GTT 135

0

knots

Top Speed
Sirena 42M

No Data
Dynamiq GTT 135

0

knots

Range

1k NM

1000NM

2k NM

2000NM

3k NM

3000NM
Sirena 42M

No Data
Dynamiq GTT 135

3,000 nm @ knots

*Range Speed is unknown

Fuel Capacity

Sirena 42M

-
Dynamiq GTT 135

-

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.

Sirena 42M

Dynamiq GTT 135

Accommodation

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

Sirena 42M

Dynamiq GTT 135

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.

Sirena 42M

Dynamiq GTT 135

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.

Sirena 42M

Dynamiq GTT 135

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.

Sirena 42M

Dynamiq GTT 135

Compare Layouts

Sun Deck

Sirena 42M

Dynamiq GTT 135

Main Deck

Sirena 42M

Dynamiq GTT 135

Lower Deck

Sirena 42M

Dynamiq GTT 135

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.

Sirena 42M Used Prices

In Production Since: 2026

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

Yachts For Sale

or Build Your Own

Available to order

View Options & Specs

Rivals to Sirena 42M

Dynamiq GTT 135 Used Prices

In Production Since: 2020

Average Price* £18m
Price Range ^† £18m - £18m
Average Age 3 years

Show Yachts Details

or Build Your Own

£18m

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

Rivals to Dynamiq GTT 135

Specification Data

Model Name:	42M	GTT 135
Builder:	Sirena Yachts	Dynamiq
Range:	-	Gran Turismo Transatlantic
Principal Characteristics
Body Type:	Superyacht	Superyacht
Use Types:	Cruising	Cruising
LOA:	42m	41m
Max Beam:	8.8m	8.2m
Draft:	2.5m	1.8m
Gross Tonnage:	434 GT	229 GT
Displacement:	496 Tonnes (Approx)	-
Hull Material:	Steel	Aluminium
Superstructure:	Aluminium	Aluminium
Fuel Capacity:	45,000 Litres	29,600 Litres
Fresh Water Capacity:	10,700 Litres	9,500 Litres
Black Water capacity:	8,500 Litres	6,800 Litres
Yacht Designers
Exterior Designer:	Luca Vallebona	Dobroserdov Design
Interior Designer:	Hot Lab, Luca Vallebona	Giuseppina Arena, Dynamiq
Accommodation
Guests:	10	11
Cabins:	5	5
Berths:		4x Double2x Single
Guests Heads:	-	7
Crew
Crew:	9	6
Crew Cabins:	-	3
Crew Heads:	-	3
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

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