Ntabwo aribwo twigeze twumva ibintu byiza 4.0 byo mu kirere V12 na Cosworth kuva ku ntebe y'ibizamini GMA T.50 induru kuri 11.500 rpm - aho igeze imbaraga zayo zingana na 663 hp - cyangwa, gutinyuka, gukubita limiter kuri 12.100 rpm.
Ariko muri videwo iheruka kuva muri Gordon Murray Automotive turabona kandi twongeye kumva super super yo mubwongereza, nubwo ishobora "gukurura" kugeza 5000 rpm. Iyo prototype ya XP2 yasohotse bwa mbere mumuhanda, ntibyemewe kurenza rpm 3000.
Ariko niba byumvikana neza kuri 5000 rpm kumuhanda, dushobora gutekereza gusa uko bizamera 12,100 rpm.
Video iheruka kubyerekeye iterambere rya GMA T.50 iradusubiza muri Dunsfold aerodrome (inzira ya Top Gear) yongeye. Muriyo tubona ko prototype ya XP2, yamaze kugaragara mubihe byashize, ubu iherekejwe na prototype ya kabiri ya XP3.
Gordon Murray ntiyabuze amahirwe yo kwicara hagati yibyo yaremye no gufata "ubushakashatsi" bwumuzunguruko, ubu biherekejwe, kuri prototype ya kabiri, hamwe numushoferi mukuru hamwe nushoferi witerambere Steve Hayes.
Ibyerekeye "Gutangira Ubukonje". Kuva kuwa mbere kugeza kuwa gatanu kuri Razão Automóvel, hari "Ubukonje bukonje" saa 8h30. Mugihe unywa ikawa yawe cyangwa ukabona ubutwari bwo gutangira umunsi, komeza ugendane nibintu bishimishije, amateka yamateka na videwo bijyanye nisi yimodoka. Byose mumagambo atarenze 200.