Spec Box 2016 Diamond DA62 Standard price $1.08 million Price as tested $1.24 million Engine Austro Engines AE330 (2 x 180 hp) Props MT 3-blade (2 x 76 inches) Click to see full answer. Correspondingly, how Much Is a Diamond da42?Diamond DA-42 Twin Star. Current Price $ 468,638 U.S.Beside above, how much is a Piper Seneca? Piper Seneca V (factory new) Asking price: USD 1,030,000 (2019) The Piper Seneca is a powerful twin-engine aircraft, boasting several prominent differences compared to its piston-twin competitors. People also ask, what is the best 6 passenger airplane? Here are our choices for the best used six-seaters your money can buy. The Beechcraft Bonanza A36Jon Whittle. The Piper Cherokee SixJon Whittle. The Beechcraft B55 BaronJon Whittle. The Piper Turbo Seneca IIJon Whittle. The Cessna 310RJon Whittle. The King Air C90GTxBeechcraft. The Cessna Citation MustangJon Whittle. Where is Diamond Aircraft made?Diamond Aircraft, headquartered in Austria with facilities in Canada and China, is amongst the leading aircraft manufacturer in General Aviation.