The carmaker raised the capital through preference shares with its major stakeholders - Investindustrial and Tejara Capital - which it says will enable the DBX to become a production reality.
The DBX in concept form is a high-riding coupe, but the production version may expand to five doors.
And the DBX isn’t the only project in the pipeline, with the carmaker saying the money will also prompt “significant new luxury models”.
Half the money arrived at the end of April, with the remaining half to be forthcoming over the next 12 months.
“This additional long-term funding will enable us to add extra model lines and broaden our presence in the luxury market segment by the end of the decade,” Aston Martin CEO, Dr Andy Palmer, said.
“The DBX concept has generated interest far beyond our expectations. The additional investment announced today will allow us to realise the DBX and other new luxury vehicles that will form the strongest and most diverse portfolio in our history.”
Aston announced gross revenue for the 2014 calendar year of £468 million (AU$902 million) and adjusted earnings before interest, taxes, depreciation, and amortisation of £66 million (AU$127 million).
This followed losses in both 2013 and 2012.
The carmaker says its investment in product development has risen 45 percent, and that it expects demand for its products to “remain high” throughout 2015.
MORE: Aston Martin Rapide To Be Replaced By DBX SUV, Lagonda Sedan
MORE News & Reviews: Aston Martin | Concept | Luxury