Motorinsel.ch is a Swiss online marketplace and search portal focused on replacement engines for vehicles. It brings together offers from more than 1,600 active dealers and sales platforms, giving customers a broad selection to compare in one place. The site reports over 314,000 available offers and provides a vehicle catalogue covering common models registered in Switzerland, with associated engine codes, model years and technical details.

Customers can search by choosing a vehicle make, model range and type, entering an engine code, or using a vehicle or type-certificate number. Listings can be compared by specifications including power, displacement and fuel type, as well as price and availability, helping visitors find an engine that matches their vehicle. Popular makes include Volkswagen, Mercedes-Benz, BMW, Skoda, Audi and Peugeot, alongside many others.

Motorinsel.ch also allows sellers to submit offers and businesses to apply as partners. Its additional resources include calculators for converting kilowatts to horsepower, calculating displacement and assessing power-to-weight ratio.