Currently driving a mk1 quattro tt which i've had 7 years, its modified a bit and has got a map, does about 26mpg. About to get rid of it and hoping to replace with an A5 as i want something a bit newer, slightly bigger and with better mpg. Originally i wanted the 2l diesel A5 but there aren't many in quattro form within my budget but there is the odd petrol one. In real world driving is there a massive difference in fuel consumption between the diesel and petrol? 0 - 60 times on the petrol look a lot better than the diesel version but with a remap can the diesel be almost as quick? Any advice would be much appreciated.