Audi ≫ A5Audi A5 Sportback g-tron (2017, second generation) photosby Joshua ThompsonThe second generation Audi A5 Sportback g-tron has a 2-liter turbo I4 with 125kW (170hp) that can run on e-gas, natural gas, or gasoline. ◄ PrevNext ►Credit: Audi 2017 Audi A5 Sportback g-tron - side Tags:a5audig-tronsecond generationsportback