The Fokker 50 will just about get to 260 Kts TAS (fully loaded at the right level). It burns about 600 kgs per hour whatever level you are at. And it's a very honest, simple aircraft with no real vices apart from having to press ASEL every time you selected a new level. And you never changed vertical mode as you reached your selected level. It was ahead of its time because of the PEC's (Propeller Electronic Control) and EEC's (Engine Electronic Control). To take off you pushed the levers to the detent. For climb you just pressed CLB on the Power Management Panel (or ERP). You cruised when you could no longer climb at 600 fpm. To descent, you allowed 3 miles per thousand and pulled the power back to about 30% torque. The autopilot was pretty good and CAT II ops. very straight forward. Circuits were also simple and flying inside the bug smashers was also easy. It required little runway (LCY was good fun) and did it's job. And as Chadzat says, you can go a long way in one. But the ATR 72 and Dash 8-400 would blow it into the ground on speed, fuel burn per payload. A King Air would also beat it on speed. The 20,820 was a typical MTOW for most operators although some did fly at an artificially lower weight to avoid airways charges, landing and parking fees.
PM