Cars Zug

https://www.rentalcars.com/SearchResults.do?country=Switzerland&doYear=2018
Renting for days from Zug

https://www.ferienmietwagen.ch/it/default.aspx
Noleggio via TCS (from Zurich)

https://www.mobility.ch/de/fahrzeuge-standorte/tarife/fahrtarife/

Micro, Economy, Electro

2.50/h

0.65/km