Head to head
Jeanneau Prestige 42S vs Poseidon Blu Water 170
The Jeanneau Prestige 42S is 7.9m (26ft) longer.
Last reviewed 9 November 2026
Key differences
- Length: the Jeanneau Prestige 42S is 7.9m (26ft) longer.
Specifications side by side
| Jeanneau Prestige 42S | Poseidon Blu Water 170 | |
|---|---|---|
| Length | 13m | 5.10m |
| Engines | Twin Volvo Penta D6-370 IPS500, 370hp each | - |
| Cabins | 2 cabins, 2 bathrooms | - |
| Beam | - | 2.17m |
| Weight | - | 500kg |
| Passenger capacity | - | 7 |
| Standard outboard | - | Honda BF50 LRTU (30-80HP range) |
| Fuel tank | - | 60 litre integral tank |
Sources: Jeanneau Prestige 42S, Poseidon Blu Water 170. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Prestige 42S if...
- you want one that is 7.9m (26ft) longer
A motor yacht for coastal and Mediterranean cruising, bought by private owners wanting overnight accommodation for a small family or two couples rather than a day boat.
Listed by
- Yachtsmart - London
Buy or hire the Blu Water 170 if...
A compact five-metre day boat aimed at buyers wanting a simple, towable boat for fishing or pottering along the coast. It is sold with a Honda outboard already fitted and can take a bigger engine if more speed is wanted.
Listed by
- Boatsmart - Southampton, Swanwick
Common questions
What is the difference between the Jeanneau Prestige 42S and the Poseidon Blu Water 170?
The Jeanneau Prestige 42S is 7.9m (26ft) longer. The Jeanneau Prestige 42S is a motor yacht; the Poseidon Blu Water 170 is a small centre-console day boat for leisure use, fishing or beach hopping.
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