If you have time, browse the MAZDA5_TG it has 'marketing' style info.
Describing the reason for the the design of each section of the car.
(Maybe our winter crunch noise is just an unforseen effect as they aim for
the zoom-zoom design).
For example in TG_02.pdf, I found this on the Suspension design.
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Improved rigidity and handling stability
E-type multi-link rear suspension adopted
Improved handling and riding
comfort
Four-point rubber mount system front crossmember adopted
Oil-filled bushing for front lower arm
Front shock absorber with large bore piston adopted
Front spring layout optimized
Separated input type front shock absorber mount adopted
Enlarged trunk compartment
Separated positioning of rear shock absorber and coil spring adopted
Improved marketability
Adhesive-type balance weights adopted (aluminum alloy wheels)
Environmental consideration
Steel balance weights adopted to reduce the use of lead
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