Wich bike givs more milage and less maitenenc cost THUNDER BIRD,KARIZMAZMR, PULSAR 220,AVENJER,FZ,APACHE which?

In above these i would prefer TVS Apache RTR 180 ABS. Powering the bike is a single cylinder, four stroke engine of capacity with a displacement of about 177.4cc and the maximum output of 17.3bhp@8500rpm. The ground clearance lies at about 180mm. And the maximum speed is 125kmph. The fuel consumption rate is 39km/L in city and 47km/L on highways.