AutoSignal is a Czech car-market platform that helps buyers find vehicle listings priced below typical market levels. It scans listings across the country and compares each car with similar vehicles, showing how its asking price relates to the median. This lets users assess potential deals using market data rather than guesswork.

The platform features current deals, special offers, recently reduced listings, and other below-market cars. Listings can include details such as make, model, year, mileage, fuel type, and price. Users can set alerts by brand, model, budget, and fuel type, then receive a push notification when a matching offer appears.

AutoSignal also offers vehicle checks using registry information, including registration date and owner history. The ownership record can indicate whether a vehicle was registered to a private individual, company, or leasing firm. Other services include vehicle valuation and market news. Its data covers sources such as Sauto.cz, Tipcars, Bazos.cz, AAA Auto, and dealer or manufacturer listings.