The Austral Marine Odyssey 650 (V6 MerCruiser 250hp) 2024 vs Austral Marine Odyssey 650 Inboard (MerCruiser 6.2L V8 300hp) 2025 comparison sits squarely in the category of decisions where specs alone won't tell the whole story: intended use, storage, and long-term ownership costs all factor in.
The power gap is worth calling out. Rated to 300 hp, the Austral Marine Odyssey 650 Inboard (MerCruiser 6.2L V8 300hp) 2025 has a 50-hp advantage over the Austral Marine Odyssey 650 (V6 MerCruiser 250hp) 2024's 250-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
Both boats are rated for 6 passengers - a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: Performance buyers should lean toward the Austral Marine Odyssey 650 Inboard (MerCruiser 6.2L V8 300hp) 2025 and its 300-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Austral Marine Odyssey 650 (V6 MerCruiser 250hp) 2024 with its 250-hp rating is the more economical daily driver.