Fuel Efficient Convertible and Open Top Cars

Our guide to the best green convertible cars currently on sale in the UK. These are the open top cars that offer the best fuel efficiency, MPG figures and the lowest emissions – an can survive the fearsome and forensic Beating Spirit road test. Vehicle reviews are updated monthly so rankings will change on a regular basis and our strong links within the motor industry ensures that we get our hands on the very latest models before our rivals. So get ready for wind-in-your-hair time, here’s our list of the greenest open-tops:


Diesel Convertible Cars

First place

l-open-top-cars-diesel-citroen-ds3-cabrio-80x53.jpg Citroen DS3 Cabrio  78.5 mpg

The Citroen DS3 Cabrio offers stylish and efficient open top motoring – although it’s not a full convertible.


Second place

Fiat 500 city car

Fiat 500C 1.3 MultiJet Pop  76.3 mpg

The Fiat 500 has been a big success thanks to its combination of style and quality.

Third place

Mini convertible review

MINI Convertible Cooper D  70.6 mpg

The MINI convertible is a trendy aspirational small ragtop now available with a diesel engine which takes the MINI into new territory with excellent fuel economy.

Petrol Convertible Cars

First place

Fiat 500 city car Fiat 500C 0.9 TwinAir Pop  72.4 mpg

Under the bonnet you get the hi-tech 875 cc two-cylinder TwinAir engine which allows the 500 to shine in the official fuel consumption tests.

Second place

Smart for Two open top review Smart ForTwo Cabrio mhd 65.7 mpg

The Smart puts our diesel contenders to shame by emitting just 99 g/km of CO2, making the fortwo the lowest CO2 petrol convertible on the market.

Third place

l-open-top-cars-petrol-citroen-ds3-cabrio-80x53.jpg Citroen DS3 Cabrio DSign VTi 82 57.6 mpg

The Citroen DS3 Cabrio has all the design flair of the Citroen DS3, with excellent economy to go with it.

Electric Convertible Cars

First place

l-open-top-cars-electric-smart-fortwo-ed-80x53.jpg Smart Fortwo Cabrio electric drive

The smart fortwo is the first electric convertible on sale. With its compact size, it’s the perfect open top city car.