Hello! My customers is considering these two cars for my customers and although my customers feel called by the small size of the Smart, the low price of Spark catches my customers eye. Please consider these points in your response: 1. Motor power (yeah! Small and furious!) And 2. Discretion (My customers live in Monterrey Mexico, where if you are seen on a bike you get mugged and goodbye cheap transport method! The Spark It is quite attention-calling, but in the end it`s Chevrolet and are they are seen quite frequently here, and there are not many Smart cars around, and since they are sold by the Mercedes, my customers fear that they may mistake them or something OBDSTAR X100 PRO. =0 Thanks for your answer! Sorry for bad english!