← Sono
Sono / Model record
SonoSion
ProductionUnknown
Recorded originGermany
ClassElectric car
Background
Sion is a cancelled project by the German start-up Sono Motors aimed at developing a partially solar-powered electric car. The battery was set out to be chargeable using both the electric grid as well as its own solar cells.
Text adapted from “Sono Motors Sion” on Wikipedia ↗ · CC BY-SA 4.0 ↗ · retrieved 2026-07
Record depth — Documented
How this is measured → This record contains useful sourced evidence, but it does not yet meet the reference-ready standard. Still needed: production chronology. Fields we cannot source stay empty rather than guessed.