I'd like to know the answer too. I'd love to swap '10 gray heated leather into our hatch.
Front seats would probably work fine, it's the rears I'd worry about for the complete swap.
My Ride: 2007 Mazda 3 2.3 Grand Touring Sedan MTX
Wife's Ride: 2003 ZX5 MTX [SONY Heatunit][ST Knob][SVT Pedals][SVT Mirrors][SVT Silver Handles][K&N Filter w/ SVT Box and Snorkel][NGK Wires]