i had a 51 reg 172 sport and that was ace on fuel, no matter how it was ragged it never went below 25mpg, and driving sensibly (under 80mph and 4k rpm) at always did 30 to 36mpg.

i then sold it to my brother and he tuned it to 197bhp with a yozasport exhaust and decat, matched inlet, remap, and air recirculation removed and it now does 34 around town, with 46 to 48 on the motorway at 70mph. he normally gets between 340 to 360 miles to just under 50 quid of fuel.

i wish i'd never sold that car.