step  To run the cluster analysis, from the menus choose:

Analyze
  Classify
   Hierarchical Cluster...

step  Select Price in thousands through Fuel efficiency as analysis variables.

step  Select Model as the case labeling variable.

step  Click Plots.

step  Select Dendrogram.

step  Select None in the Icicle group.

step  Click Continue.

step  Click Method in the Hierarchical Cluster Analysis dialog box.

step  Select Nearest neighbor as the cluster method.

step  Select Z scores as the standardization in the Transform Values group.

step  Click Continue.

step  Click OK in the Hierarchical Cluster Analysis group.