哪种冰箱最省电又耐用

1.第一款:西门子KA92NV02TI主要卖点:601L冰箱外形尺寸:740570×587,740mm,740mm,740mm,740mm

2.第二款:美的BCD-570WKP冰箱外形尺寸:920×740,740mm,740mm,740mm,740mm

3.第三款:美的BCD-268WPCX,740mm,740mm,740mm,740mm,740mm,740mm。