Grandezza 34 OutboardA Finnish touring cruiser with noticeably more dynamism

Jan-Ole Puls

 · 02.08.2026

The Grandezza 34 taking a sharp turn. The enormous freeboard and the high railing are clearly visible, conveying a great sense of safety.
Photo: MERITA MAKINEN; APIX
​The Grandezza 34 is one of Finland’s most popular cruising yachts. This model is now available with outboard engines for the first time. The result: noticeably greater dynamism.

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Grandezza has been one of Finland’s top-quality boat brands for many years. The shipyard offers models ranging from 25 to 37 feet. From 28 feet upwards, the boats become fully-fledged travelling companions. A solid standard specification, well-thought-out layout concepts and the typical Nordic design characterise the model range: bright, spacious and with impressive build quality.

With the new Grandezza 34 Outboard, the shipyard’s second-largest boat is now available in an outboard version for the first time. This is intended to simplify maintenance and servicing and, above all, to enhance the enjoyment of sailing. We can definitely confirm the latter following our test in the Swedish archipelago. There, we had the opportunity to compare both the inboard and outboard versions side by side.

The first look at the Grandezza 34 Outboard

The Grandezza 34 features modern, clean lines and a good dose of Scandinavian understated elegance. The forward-sloping bow not only improves visibility from the helm but also gives the boat a dynamic silhouette. The high railing follows the deck line and provides a secure handhold at all times on the way to the bow. The wide side decks also ensure a safe passage to the bow. A generous sun lounger is fitted at the bow. About two-thirds of the way along the boat’s length, the windscreen – which extends well forward – begins; it rises at a shallow angle, lending the boat a sporty character. The hull itself is deliberately simple. A decorative strip, the hull windows and clean surfaces define its appearance. No extravagant shapes, no fanciful frills. A wraparound rubber rubbing strake protects the hull side during harbour manoeuvres.

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Another striking feature is the spacious bathing platform at the stern. High-quality stainless steel details, recessed fittings and the optional teak surfaces underline the shipyard’s commitment to premium quality. The boat is fitted with two 300 PS Mercury outboard engines. These are the only engines currently available. From the swim platform, we step directly into the saloon. This has an exceptionally open layout. There is no fixed rear window or door to close off the space; only a rear canopy provides protection from wind and rain when needed. This creates an airy, spacious feel, but also makes it clear that a powerful heating system on board is essential for use on cold days or in winter. A simple fan heater won’t be enough here. The four-kilowatt heater is on the optional extras list.

The sun lounger at the stern can be extended by folding down the backrest. This creates a lounging area for two. Cup holders have also been provided. On the starboard side, there is a raised seating area with space for up to eight people. The table can be folded out and lowered, creating an additional sleeping space here if required. Opposite is the galley. It offers everything you’d expect on a holiday boat of this size: a sink with hot and cold water, a two-burner hob and a generously sized fridge, which provides ample storage space even for longer cruises. Right next to it is a single seat with good lateral support.

The control station

The helm is also seamlessly integrated into the saloon. It makes a favourable impression, both visually and ergonomically. All the switches are easily accessible and feature a classic toggle design. Whilst this may seem somewhat conservative, it proves to be thoroughly practical at sea. Particularly in choppy conditions, toggle switches are often easier to operate than modern push-button switches.

A bow thruster is fitted as standard. The control unit is situated right next to the three-spoke steering wheel bearing the Grandezza logo. Behind it sits a generously sized 16-inch chartplotter, which clearly displays all relevant navigation data. A classic magnetic compass has also found its place in the cockpit – a feature we’re always pleased to see.

The large sliding roof above the seats can be opened. This provides pleasant ventilation whilst driving. Thanks to the slender roof pillars, you can enjoy an almost unrestricted all-round view from the driver’s seat.

Layout below deck

Below deck, the Grandezza is surprisingly spacious for a 34-foot boat. In addition to the owner’s cabin in the bow, there is a mid-cabin and a separate bathroom. Both cabins offer ample storage space for longer voyages. The berths in the bow measure 1.46 by 2.00 metres. In the mid-cabin, the width is around ten centimetres narrower, whilst the length remains the same. There is little cause for complaint regarding headroom either. The mid-cabin offers 1.87 metres of headroom, whilst the forward cabin and the bathroom each offer 1.85 metres. In the saloon, there is even a comfortable 1.97 metres of headroom. Only people significantly taller than 1.90 metres will need to duck their heads slightly here and there.

The mattresses are comfortable and are also suitable for longer stays on board. The cupboards are large enough to accommodate luggage for a holiday cruise. Fresh air enters the interior through several hatches.

​The light-coloured interior wood in a modern oak shade creates a particularly welcoming atmosphere. Those who prefer a more classic look can opt for a mahogany-coloured finish instead. In fact, the Grandezza offers extensive customisation options. Carpets are available in two colours, whilst upholstery, side panelling and bed surrounds come in three different variants. Headboards, blackout blinds and numerous other details can also be customised. This personalisation concept is consistently applied throughout the entire boat. Virtually any colour combination can be tailored to suit your own preferences.

Test sail on the Grandezza 34 Outboard

But however beautiful a boat may look in the harbour, it was built to be sailed. That’s why the Grandezza also had to prove itself on our test course. And let’s get one thing straight from the outset: compared with the inboard version, it does one thing very differently.

We leave the harbour at Tanum Strand and head out into the Swedish archipelago. Why Sweden, when the shipyard is actually based in Finland? The answer given by those in charge is simple: there is no comparable location for sea trials in Finland, which is why the international sea trials have been taking place in the neighbouring country for years.

At idle, the Grandezza glides smoothly and without any jarring movements out of the sheltered harbour basin. Once out at sea, we increase the revs slightly and chug along at around 6 knots at approximately 1,250 revolutions per minute, cutting through the light swell. The wave height is around 30 centimetres. As speed increases, the boat transitions smoothly into planing. At 3,500 revolutions per minute, the log is already showing around 17 knots. The first turns and evasive manoeuvres immediately reveal the differences compared to the inboard version. The Grandezza feels significantly more agile and lively. Although the overall weight remains almost identical, the outboard engines deliver around 100 PS more than the most powerful inboard variant. In addition, the centre of gravity shifts slightly further aft. This gives the boat noticeably more dynamism.


Measurement results for the Grandezza 34 Outboard

Speed (rpm)Speed knSpeed (km/h)Consumption l/hRange (sm)Range (km)Sound level dB(A)
6003.05.56.220237359
1,5006.612.217.016229960
2,0008.014.828.011922063
3,00012.923.860.09016668
3,50017.131.675.09517672
4,00024.645.594.010920276
4,500*21.558.3110.011922177
5,00035.064.8130.011220879
5,50039.773.5160.010319183
5,90043.580.6190.09517786

​* This is the most fuel-efficient range during a steady cruise. Measured during our test with five people on board, light swell and a 3-knot wind. 95 per cent petrol in the tank, 12 per cent water.


As the engine speed continues to rise, the Grandezza quickly reaches the cruising speed of 27 knots specified by the shipyard. The fuel-efficient range we measured is 31.5 knots, 4,500 rpm and a fuel consumption of 110 litres per hour. The Grandezza completes the subsequent test run with confidence and a sporty flair. At times, it feels more like a large sports boat than a classic family cruiser. This is precisely where its special appeal lies: plenty of comfort and space for the family, combined with handling that offers far more enjoyment than one might expect at first glance.

Back in the harbour, the joystick system makes mooring considerably easier. A stern thruster is also available as an option. However, we do not consider this essential for the outboard version. Modern joystick controls already allow for precise turns in confined spaces and controlled sideways movements without the need for additional assistance.


BOOTE rating

The Grandezza 34 Outboard is the sportier version of the 34 OC. Nevertheless, it remains a good family boat for longer holidays or weekend trips. The standard specification is above average, and the Grandezza’s design also impressed in our test. A successful evolution of the 34 series.

​Design and Concept

Good driving dynamics

Sunroof

Plenty of space

Open rear end without a fixed door

Driving and steering

Significantly sportier

Less maintenance required

Housing and build quality

Good build quality

Highly customisable

Open-plan shower cubicle

Equipment and Technology

High-performance engines

High-end electrical fittings from reputable manufacturers

Powerful engine with good driving dynamics

Bow thruster as standard


The Grandezza 34 Outboard in detail

Grandezza 34 OutboardPhoto: Marc André BergmannGrandezza 34 Outboard

Technical Specifications

  • ​CE design category: B / 8
  • Total length: 10.15 m
  • Width: 3.23 m
  • Draught: 1.20 m
  • Clearance height: 3.15 m
  • Weight: 5,000 kg
  • Minimum engine capacity: 2 x 300 PS
  • Max. engine capacity: 2 x 300 PS
  • Fuel tank: 490 litres
  • Water tank: 120 l
  • Waste tank: 102 l
  • Hot water: 22 l
  • Batteries: 2 x 140 Ah
  • Berths: 4 + 2 kilograms per PS 8.33

Engine

  • Manufacturer: Mercury
  • Type: Verado F300
  • Quantity: 2
  • Performance: 300 PS
  • Full-load speed: 6,000 rpm
  • Cylinder: V 8
  • Engine capacity: 4,600 cm³
  • Fuel: Petrol

Cockpit dimensions

  • Length: 2.17 m
  • Width: 2.40 m
  • Height: 1.97 m

​Running deck

  • Side deck: 0.16
  • Height of the railing: 0.45 m
  • Decking: Gelcoat

​Sound pressure

At a cruising speed of 1,500 revolutions per minute and a speed of 6.6 knots, the boat is quiet: a mere 60 decibels were recorded at the helm.


​Standard equipment

Swimming platform and ladder · six fenders · four mooring lines · navigation lights · cockpit table · fridge · soft top · 16″ Garmin/Simrad chartplotter · autopilot · bow thruster · electric steering · Horn · USB & 12-volt sockets · Fire extinguisher · Blackout blinds

​Construction method

The boat is built from glass-fibre-reinforced plastic. A Divinycell foam core is used for the sandwich construction. Polyester resin is used, which is typical for this class of boat.

​Manoeuvring aids

The bow thruster is fitted as standard on the Grandezza 34. A Side Power SE40/125S is installed, powered by a separate 95 Ah 12-volt battery. The battery is fitted in the bow.

Facilities

​Many features that would incur an extra charge at other shipyards are already included as standard on the 34. It is particularly striking that no corners have been cut when it comes to the technical specifications. A 16-inch plotter, joystick, autopilot, electric steering gear and trim tabs are all standard.

Fire extinguisher

There is also a fire extinguisher. That is by no means the norm these days.

​Sales

Shipyard


​Price and specifications of the Grandezza 34 Outboard

  • ​Price: from €401,268
  • Surcharge for comfort features: Auto-trim system included; electric anchor winch €7,330; bow thruster included; cockpit decking included; soft top included; VHF radio included; autopilot included; chart plotter included; charger included; shore power connection included; 230-volt socket included; heating €3,640; pressurised water system included; hot water boiler included; shower and toilet compartment included; outdoor shower €670
  • Special offer price: €412,908

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​Jeanneau Merry Fisher 1095 S2

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​Nimbus 365 Coupé

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ADVERTISEMENT

yacht/2025-04-28-11-22_39b3b12e63fa4c7c2c46da4675c0b3aaPhoto: yachting24.de

Grandezza 34 OB insurance from €2,624.21 per year* – third-party liability and comprehensive cover. A wide range of options available: additional cover for the powertrain with Engine Protection Plus. Simply get a quote and take out a policy online: Yachting24.de

* Offer from Yachting24 valid for a sum insured of 422,000 euros (at current market value), an excess of 1,200 euros, and third-party liability cover of 8 million euros.

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Jan-Ole Puls

Jan-Ole Puls

Editor Test & Technology

Ole Puls was born in Schleswig in 1999. He quickly swapped the football pitch for the Schlei and grew up sailing a wide variety of dinghies and tall ships. From his grandfather's self-built wooden opti and a Europe to a 49er and an X362 Sport, there was a lot to choose from. After leaving school, Puls decided to train as a boat builder at the high-tech shipyard Knierim Yachtbau in Kiel in 2016. He successfully completed his training in 2020 and stayed at the shipyard as a bachelor. In 2022, he decided not only to build boats, but also to test them. Since then, he has been working for Delius Klasing Verlag in the Test & Technology section of BOOTE magazine. The training he received and the eye for detail and quality of workmanship he acquired help him immensely today. Even though he is a regatta sailor with heart and soul, he feels right at home on motorboats and enjoys separating his professional and private lives and yet combining them. Because we all know one thing: there is simply no better place to be than on the water.

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