21 SSi Ski & Fish vs R4 SURF
A direct comparison of the Chaparral Boats 21 SSi Ski & Fish and the Cobalt Boats R4 SURF.
Chaparral Boats
21 SSi Ski & Fish 2026+
Length 21 ft, Beam 8.33 ft, Budget —
Find dealers Cobalt Boats
R4 SURF 2026+
Length 25.75 ft, Beam 8.5 ft, Budget —
Find dealers Specs side-by-side
| Spec | 21 SSi Ski & Fish | R4 SURF |
|---|---|---|
| Length | 21 ft | 25.75 ft |
| Beam | 8.33 ft | 8.5 ft |
| Draft | — | 3.25 ft |
| Dry weight | 3,500 lb | 5,650 lb |
| Fuel | 40 gal | 50 gal |
| Hull | — | stepped |
| Budget band (used) | — | — |
Which is right for you?
Pick the 21 SSi Ski & Fish if you want a smaller, more nimble platform. Pick the R4 SURF if you want the larger or higher-spec rig.