Vetus M4.45 vs Volvo Penta D2-50
The Vetus M4.45 is a 42 hp 4-cylinder marine diesel aimed at larger sailboats and powerboats, and a common alternative to the Volvo Penta D2-50. Both are 4-cylinder marine diesels. The Volvo Penta rates slightly higher on paper (51 hp vs 42 hp), though both target similar vessels, so installed weight, standard equipment and local support are the main differentiators.
M4.45 · 42 hp
View full specs
D2-50 · 51 hp
At a glance: Vetus M4.45 vs Volvo Penta D2-50
Side-by-side specifications. The highlight tags are generated from the published figures — where the Volvo Penta genuinely wins a measure, we show it.
Specifications sourced from manufacturer data sheets and correct at time of publishing — confirm current specifications before purchase. *Vetus warranty: 3 years standard plus a 2-year driveline extension with a Vetus around-the-engine package.
Why choose the Vetus M4.45
- High-output marine alternator fitted as standard (110 A).
- Self-bleeding fuel system — no manual bleeding after filter changes.
- Lighter installed weight — 199 kg vs 249 kg.
- Approved for HVO renewable diesel.
- Backed by Luxfords Marine, the authorised Victorian Vetus distributor — local advice, stock and genuine parts support.
Things to weigh up with the Volvo Penta D2-50
Where the Volvo Penta is strong
- Lower cruising rpm and smooth running
- Integrated engine-drive-controls system
- Very large global dealer network
- Parts are widely reported as more expensive and slower to source than rivals — a real lifetime-cost consideration.
- Heavier installed weight than the equivalent Vetus M4 in most brackets.
- D1/D2 small diesels are marinised Shibaura industrial blocks — comparable heritage to Vetus's marinised Mitsubishi blocks, despite the premium price.
The verdict
The Volvo Penta D2-50 is a sound choice in its own right — known for lower cruising rpm and smooth running. For recreational and cruising owners in Victoria, the Vetus M4.45 counters that it's lighter to install (199 kg vs 249 kg) — and it adds a high-output alternator as standard, a self-bleeding fuel system and local backup. As the authorised Victorian Vetus distributor, Luxfords can advise on, supply and support it locally, with genuine parts.
Vetus M4.45 vs Volvo Penta D2-50 — FAQs
Is the Vetus M4.45 lighter than the Volvo Penta D2-50?
Yes. The Vetus M4.45 has a lower dry weight (199 kg) than the Volvo Penta D2-50 (249 kg) — around 50 kg lighter on a like-for-like basis.
Can I get the Vetus M4.45 with a saildrive?
Yes — the Vetus M4.45 is available with both shaft drive and saildrive, as is the Volvo Penta D2-50.
Which has the longer warranty, the Vetus M4.45 or the Volvo Penta D2-50?
Vetus offers up to a 5-year warranty (3 years standard plus a 2-year driveline extension with a Vetus around-the-engine package). Volvo Penta's Australian warranty terms vary — confirm the current Volvo Penta cover with the supplier so you're comparing like-for-like.
Where can I buy the Vetus M4.45 in Victoria?
Luxfords Marine Industrial Solutions in Mornington is the authorised Victorian Vetus distributor and can supply, advise on and support the Vetus M4.45, including parts and around-the-engine packages. Call (03) 5973 6444 for a quote.
Get a Vetus M4.45 quote
Tell us about your vessel and we'll confirm whether the Vetus M4.45 is the right fit, with pricing, drive options and availability. As the authorised Victorian Vetus distributor, Luxfords offers local advice, stock and genuine parts support.
(03) 5973 6444Get a Quote — Vetus M4.45
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