# Sisu Auto

Oy Sisu Auto Ab is a Finnish defence and heavy vehicle manufacturer specialising in high-mobility tactical military vehicles and extreme-duty trucks, headquartered in Karjaa, Finland. Founded in 1931, Sisu Auto is the primary domestic supplier of tactical wheeled and tracked vehicles to the Finnish Defence Forces, with a 90-year track record in Arctic, off-road, and combat environments.

Sisu Auto operates three business units: Sisu Defence Oy (military vehicles), Sisu Auto Trucks Oy (SISU Polar commercial trucks), and Sisu Engineering Oy (vehicle technology consulting and design services exported globally).

## Key Pages

1. [Defence](https://www.sisuauto.com/en/defence)
2. [Sales & Services](https://www.sisuauto.com/en/sales-and-services)
3. [About us](https://www.sisuauto.com/en/about-us)
4. [Contact](https://www.sisuauto.com/en/contact)
5. [Polar Products](https://www.sisuauto.com/en/polar-products)

## Key Products

- [SISU GTT](https://www.sisuauto.com/en/products/gtt) - SISU GTT Is a high-performance multi-purpose platform vehicle
- [SISU GTP](https://www.sisuauto.com/en/products/gtp-4x4) - Engineered for the toughest missions, SISU GTP 4x4.