This is a Vauxhall ADAM i ENERGISED, a petrol-powered car registered in 2018. With its ENERGISED trim and a 1.2-litre engine, this ADAM offers a blend of style and efficiency for city driving and beyond. As a Euro 6 emission class vehicle, this ADAM is kinder to the environment. The fuel economy is a real plus, achieving around 58 miles per gallon. This impressive figure means fewer trips to the petrol station and lower running costs compared to similar cars. On v car cat s.