Johnson 23 vs Sonata 6.7
How do the Johnson 23 and Sonata 6.7 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
| Johnson 23 | Sonata 6.7 | |
|---|---|---|
| Length overall | 21.9 ft6.68 m | 22.0 ft6.70 m |
| Waterline length | 19.4 ft5.90 m | 19.4 ft5.90 m |
| Beam | 8.2 ft2.50 m | 8.2 ft2.50 m |
| Draft | 4.6 ft1.40 m | 4.9 ft1.50 m |
| Displacement | 2,866 lb1,300 kg | 2,544 lb1,154 kg |
| Ballast | 1,411 lb640 kg | 952 lb432 kg |
| Sail area | 291 ft²27.0 m² | 224 ft²20.8 m² |
| SA / Displacement | 23.08 | 19.23 |
| Displacement / Length | 176 | 157 |
| Comfort ratio | 13.3 | 11.8 |
| Capsize screening | 2.31 | 2.40 |
| Hull speed (kn) | 5.9 | 5.9 |
| Average used price | €4,500 | — |
Johnson 23 vs Sonata 6.7: the short version
- The Johnson 23 and Sonata 6.7 are close in length (21.9 ft6.68 m vs 22.0 ft6.70 m ).
- The Johnson 23 is heavier, displacing about 13% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Johnson 23 carries the more powerful rig (23.1 vs 19.2), favouring lighter-air performance.
- The Johnson 23 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Johnson 23 rates better for offshore work (2.31 vs 2.40).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.