KAWAI KG6 7'6" Grand Piano Outlet for E in Ohio

I have a KG6C, in comparaison to a Yamaha C7, it's a piano with a better finition, upmarket, like german piano, but pretty expensive to restore...

how do you compare the KG6C to C7 next to it ? which one do you prefer to play classical music? KG6C is cheaper but I wonder if the extra cost of C7 is justified.Thanks!