That should offer performance almost exactly the same as the A 45 and CLA 45, a more than adequate 0 - 62mph in 4.6 seconds and the possibility of real world economy of around 30 mpg (unless you're really intent on playing). (carsuk.net)
The Lexus IS hybrid promises some very impressive economy numbers, but they can be difficult to match in the real world (carbuyer.co.uk)
However, the mid-mounted 1.5 - litre turbocharged three - cylinder petrol engine is unchanged, save for a new particulate filter reducing NOx emissions in preparation of incoming real world economy testing. (evo.co.uk)