To run the cluster analysis, from the menus choose:

Analyze
Classify
Hierarchical Cluster...

Select Price in thousands through Fuel efficiency as analysis variables.

Select Model as the case labeling variable.

Click Plots.

Select Dendrogram.

Select None in the Icicle group.

Click Continue.

Click Method in the Hierarchical Cluster Analysis dialog box.

Select Nearest neighbor as the cluster method.

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

Click Continue.

Click OK in the Hierarchical Cluster Analysis group.