Williams Dieseljet 565 vs Navisoul Caral Marine 930
The big superyacht diesel tender versus Navisoul's flagship.
Williams Dieseljet 565 
Navisoul Caral Marine 930 Specs and price, head to head
| Williams Dieseljet 565 | Navisoul Caral Marine 930 | |
|---|---|---|
| Length | 5.65 m | 9.3 m |
| Hull | Fibreglass (GRP), diesel jet | Deep-V rigid fibreglass hull |
| Tubes | Hypalon (CSM) | Hypalon (CSM) |
| Max power | 250 hp | up to 2 × 350 hp |
| Capacity | 9 | 13 |
| Indicative price | On request (the Dieseljet family starts at ~€90,000 with the 445) | On quote — twin engines up to 2×350 hp |
Indicative prices from public listings and distributors (2026); may vary by configuration and season.
Where the Navisoul Caral Marine 930 wins
- Far more boat for far less: 9.3 m and 13 seats
- Twin outboards: redundancy and universal maintenance
- A family day cruiser, not just a service boat
Where the Williams Dieseljet 565 wins
- Diesel shared with the mothership: a superyacht fleet requirement
- Fits big garages with SOLAS-friendly standards
- Williams finish for demanding owners
Our verdict
Honest note: if your operation requires a diesel garage tender, the Dieseljet 565 is one of the few serious answers and Navisoul doesn't compete there. For an owner who simply wants the most big boat for the money, the 930 is a lesson in value.
Frequently asked questions
Which is better, the Williams Dieseljet 565 or the Navisoul Caral Marine 930?
Honest note: if your operation requires a diesel garage tender, the Dieseljet 565 is one of the few serious answers and Navisoul doesn't compete there. For an owner who simply wants the most big boat for the money, the 930 is a lesson in value.
How much does the Navisoul Caral Marine 930 cost?
On quote — twin engines up to 2×350 hp. The final price depends on configuration (material, colour, engine): ask for a fixed quote and we reply within 24 working hours.
Are the compared prices for the same configuration?
We always compare the most equivalent configuration possible using public listing and distributor prices from the current year. Market prices change: always confirm the final number in a quote.
Get a fixed price for the Navisoul Caral Marine 930
Configuration, engine, transport and delivery time in a single number, within 24 working hours. And if your case calls for the rival, we'll say so.
Williams Dieseljet 565 or Navisoul Caral Marine 930?
We reply within 24 working hours with price, delivery time and customisation options.