Only just got mine and I've done very few miles so far (150), but the economy is best described as tragic...! Unfortunately I do lot's of town driving with lots of stop start and it struggles to get over 15/16 mpg. Bear in mind I'm running it in and haven't even found out what the performance is like yet. We had a short trip to York at the weekend (about 30 miles) and it managed 25mpg. It's managing to make my 310ps Audi S3 look quite economical by comparison.