Here are just some interesting facts vs EMB 170 Series and others:
Distance to climb from SL to 25000'
Q400: 51nm
Regional Jet average: 60nm
Breakeven loads (dependant on fare structure)
(North American used in both cases)
Q400: 34%
EMB 170: 51%
Annual fuel cost savings over EMB 170 Series
(Based on 300nm sectors @ 2600 flights)
US $300 000
If u ask me, the beancounters got this one right...