 Tarquini akasaina kuti atyaire chikwata cheFIRST zvakare aimbova mushandirwi muF3000 uye akavatyaira paFormula One Indoor Trophy, asi apo motokari yavo yakakundikana kuongororwa kwekuputika akatanga 1989 pasina rwendo. Kutevera Philippe Streiff kupera kwebasa pre-mwaka bvunzo yekudonha, Tarquini akabatana naJoachim Winkelhock muchikwata cheAGS kubva padanho repiri remutambo. Ikoko akapedza 8th yakanaka mumugwagwa, achisimudzirwa kusvika 6th mushure mekuregererwa kwaThierry Boutsen naAlex Caffi. Iye ipapo akanga ari mumwe wenyeredzi dzevhiki muMonaco, achityisidzira kukwanirisa mu6 yepamusoro asati apedza 13th pagridi. Munhangemutange iye akafambira mberi kusvika kunzvimbo yechina yakasimba asati adzingwa nechinetso chemagetsi. PaMexico Grand Prix yakateveraAkapedza ari 6th, kunyange zvazvo mufaro wechikwata wakaderedzwa mushure mokunge Williams neScuderia Italia vakabudirira kupikisa kuregererwa kwavo kweImola uye Tarquini akarasikirwa nepfungwa yake. Zvimwe zvakashata zvakatevera paPhoenix apo Tarquini akanga akabata 6th pasinei nezvinetso zvehunyanzvi Boutsen asati amupfuura pakupedzisira. PaMvura yeCanada Grand Prix Tarquini zvakare akamhanya zvakanaka kusvikira adzingwa panzira naRené Arnoux uyo akazopedzisira apedza 5th. Nyaya yacho yakabva yaenda kunzira dzinokurumidza apo AGS yakanga isinganyanyi kukwikwidzana uye migumisiro yevamwe yaireva kupinda kwaTarquini kusunungurwa kwehafu yekutanga yemwaka nekuda kwekuedza kwaStreiff muna 1988 kwaizofanira kufanoronga kwehafu yechipiri yemwaka. 