I got that from Parker's guide, it does seem iffy as they quote the same for 100bhp version!
125bhp
http://www.parkers.co.uk/cars/review...ck-2008/57315/
100bhp
http://www.parkers.co.uk/cars/review...ck-2008/57313/
Horses mouth.
http://papotin.free.fr/Focus3/Focus1...chSpecs_EU.pdf
125bhp 1.0 EcoBoost (6-sp man) Urban 44.8mpg, Extra Urb 67.3mpg, Combined 56.5mpg
100bhp 1.0 EcoBoost (5-sp man) Urban 47.8mpg, Extra Urb 68.8mpg, Combined 58.8mpg
Parker's claim 44mpg for both 3 and 5 door 1.6 SR Micra
http://www.parkers.co.uk/cars/review...ck-2003/34630/
http://www.parkers.co.uk/cars/review...ck-2003/34631/