Cheapest twin engine aircraft?

cheapest operate per hour far fuel goes da42 twinstar tdi.that uses around total of 30 litres per hour in cruise 65% power ,but around 145kts @ that.

you've still got 2 engines,and props(more mass , drag=more power,fuel needed overcome redundancy of engine).

in cases single delivers similar performance still better , cheaper.

which 5/6 seater aircraft has best fuel consumption touring 300 miles

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