What used Smart Roadster sports will I get for my budget?
How much does it cost to run a Smart Roadster sports?
These cars were quite pricey when new, and Smart stopped selling the Roadster in 2007, so there aren't that many available. All in all, it adds up to a fairly expensive purchase.
This car is extremely frugal though. The basic model will give you 55mpg and the Brabus just 2mpg less. Insurance starts in group 10 and the Brabus is in group 14. The lower-specification model is the Light and is marginally cheaper to run, but you are talking about pennies rather than pounds, so really, it's better to get more bang for your bucks and opt for the Brabus.
These cars only had a two-year warranty from new, and servicing at Mercedes workshops (which often happens as Smart is part of the same group and Smart dealers are often tagged on to Mercedes outlets) is not going to be cheap. Especially as service intervals are every 9000 miles.