The Formosa Marine GRT 425 Tiller was built across 2 model years, from 2026 through to 2027 — a aluminium plate v-hull design with outboard propulsion.
Documented specifications include 14.5 ft in overall length, a dry weight of 717 lbs, a maximum engine rating of 60 and capacity for 4 people. Click any year card below to view the full spec sheet.