Sun Odyssey 349 vs Tonic 23
How do the Sun Odyssey 349 and Tonic 23 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Sun Odyssey 349 
Tonic 23 | Sun Odyssey 349 | Tonic 23 | |
|---|---|---|
| Length overall | 33.9 ft10.34 m | 24.0 ft7.32 m |
| Waterline length | 30.8 ft9.40 m | 20.3 ft6.19 m |
| Beam | 11.3 ft3.44 m | 8.1 ft2.47 m |
| Draft | 6.5 ft1.98 m | 4.5 ft1.37 m |
| Displacement | 11,795 lb5,350 kg | 2,932 lb1,330 kg |
| Ballast | 3,483 lb1,580 kg | 1,058 lb480 kg |
| Sail area | 547 ft²50.8 m² | 316 ft²29.4 m² |
| SA / Displacement | 16.89 | 24.68 |
| Displacement / Length | 180 | 156 |
| Comfort ratio | 22.7 | 13.0 |
| Capsize screening | 1.98 | 2.26 |
| Hull speed (kn) | 7.4 | 6.0 |
Sun Odyssey 349 vs Tonic 23: the short version
- The Sun Odyssey 349 is the larger boat at 33.9 ft10.34 m LOA versus 24.0 ft7.32 m for the Tonic 23.
- The Sun Odyssey 349 is heavier, displacing about 302% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Tonic 23 carries the more powerful rig (24.7 vs 16.9), favouring lighter-air performance.
- The Sun Odyssey 349 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Sun Odyssey 349 rates better for offshore work (1.98 vs 2.26).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.