\begin{tikzpicture}
	
	\hspace{+2cm}
	\onslide<1->{
		\node[inner sep=0pt] (A) at (7,4)
		{\includegraphics[scale = 0.5]{images/car.png}};
	}

	%\hspace{+2cm}
	\onslide<1->{
		\node[inner sep=0pt] (A) at (13,4)
		{\includegraphics[scale = 1.0]{images/car_boundingbox.png}};
	}

\end{tikzpicture}