Cannondale Scalpel LAB71 vs Scalpel 3, ¿qué son 8.000€?

We tested a mid-range Scalpel 3 against the best Scalpel ever, the LAB71. There's a big difference in price and, above all, the lack of a Lefty. Are they that different? How can we improve the Scalpel 3 to get closer to the LAB71?