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The Sisu GTP is a Finnish-made four-wheeled, modular mine-resistant ambush protected infantry mobility vehicle (IMV) designed and built by Sisu Auto, although the chassis and the powertrain is based on the Mercedes-Benz Unimog.[4] The first version was produced in 2018.[5]

In June 2020, the Finnish Defence Forces ordered six vehicles for testing.[6] In December 2022, the Finnish Defence Forces placed an order for an additional 25 vehicles that would replace RG-32M in Finnish service.[7]

Design

The vehicle has a chassis base with mission modules that can be changed.

It uses Texelis T700 axles with independent suspensions.[8][9]

Framework agreement FISE

Through the framework agreement between Finland and Sweden for defence cooperation, over 260 vehicles are planned to be produced. It includes troop transport variants, air-defence, command and control, medical care, single cab transport variants and CBRN reconnaissance.[10]

Operators

Current operators

Finland
Orders:
  • 6 ordered for trials in June 2020.[11][12]
  • 25 serial production vehicles ordered at the end of 2022.[11][12]
  • 13 ordered in December 2023 for €9.7 million.[11][12] The variants purchased are:[12]
    • 9 APC
    • 4 in general purpose variant.
  • Framework agreement in common with Sweden in August 2024 for 260 vehicles (split unknown).[13]
  • Order in November 2025 in common with Sweden for over 300 vehicles (split unknown), deliveries 2026-28.[14][15]
Sweden (20 in service, additional on order)
Orders:
  • March 2024, CBRN reconnaissance variant of the Sisu GTP ordered, unknown quantity.[16]
  • August 2024, framework agreement in common with Finland 260 vehicles (split unknown). At the same time, Sweden ordered 10 mobile short-range radars systems Giraffe 1X, go be mounted on the Sisu GTP.[17][18]
  • Order in November 2025 in common with Finland for over 300 vehicles (split unknown), deliveries 2026-28.[14][15]
Deliveries to the Armed Forces (not the FMV):
  • June 2025 (20):
    • 10 APC (2 crew + 8 passengers)[19]
    • 10 infantry mobility vehicles (5 crew members, crew cab + bed)[19]

Failed bids

Latvia
Sisu GTP was evaluated against AM General HMMWV, Otokar Cobra and Paramount Marauder in 2018[20] and selected as winner in a tender to supply armored vehicles for Latvian armed forces.[21] The deal, worth about 200 million euros, was canceled in 2019 after AM General and Paramount Group complained about the procurement procedure.[22]

See also


Comparable modern 4×4 infantry mobility vehicle

References

  1. ^ “GTP 4×4”. 11 September 2019.
  2. ^ “GTP 4×4”.
  3. ^ “SISU GTP 4×4 General Purpose Vehicle”.
  4. ^ Pokki, Juha (26 November 2020). “Sisun ja Daimlerin 10-vuotinen yhteistyö laajenee”. Raskas Kalusto (in Finnish). Retrieved 20 June 2025.
  5. ^ “Sisu GTP:t lähtivät Latviaan”. KuljetusNet.fi. 6 April 2018. Retrieved 11 July 2024.
  6. ^ “Maavoimat hankkii testikäyttöön panssaroituja SISU GTP 4×4 -maastoajoneuvoja”. 9 June 2020. Retrieved 9 June 2020.
  7. ^ “Puolustusvoimat saa lisää Sisun monikäyttöajoneuvoja: “Taustalla myös huoltovarmuus”“. Ilta-Sanomat. 19 December 2022.
  8. ^ “SISU 4×4 includes Texelis axles | Shephard”. www.shephardmedia.com. Retrieved 29 December 2023.
  9. ^ “T700 Axle System” (PDF). Archived from the original (PDF) on 4 December 2020.
  10. ^ Valpolini, Paolo (15 August 2024). “FMV has received new troop transport vehicles”. EDR Magazine. Retrieved 16 August 2024.
  11. ^ a b c “Puolustusvoimille hankitaan kotimaisia maastoajoneuvoja”.
  12. ^ a b c d “Update: Finland orders more Sisu GTP 4×4 off-road vehicles”. Default. 8 January 2024. Retrieved 16 August 2024.
  13. ^ Valpolini, Paolo (15 August 2024). “FMV has received new troop transport vehicles”. EDR Magazine. Retrieved 16 August 2024.
  14. ^ a b “FMV beställer fler TGB24 till Försvarsmakten”. www.fmv.se (in Swedish). Retrieved 25 November 2025.
  15. ^ a b “Sisu Auto updates major military vehicle agreements as order book reaches an all-time high”. 24 November 2025. Retrieved 25 November 2025.
  16. ^ Machnikowski, Ryszard (2018), “Terrorism as a threat to public order”, CBRN. Security Manager Handbook, Wydawnictwo Uniwersytetu Łódzkiego, retrieved 13 June 2025
  17. ^ “Saab receives order from Sweden for Giraffe 1X surface radar”. 30 August 2024. Retrieved 7 September 2024.
  18. ^ “Nya mobila radarsystem till Försvarsmakten”. Försvarssektorn (in Swedish). Retrieved 30 September 2024.
  19. ^ a b “FMV levererar trupptransportfordon till Försvarsmakten”. www.fmv.se (in Swedish). Retrieved 13 June 2025.
  20. ^ “Four companies fighting for four by four contract”.
  21. ^ “Finnish company wins €200 million armored vehicles tender”.
  22. ^ “Watchdog stops Defense Ministry from buying €200m worth of 4×4 vehicles”.