Disclosed herein are various compositions that have particular utility in automotive components, including compositions that include: (a) polypropylene having a melting point of 110.degree. C. or more; (b) ethylene .alpha.-olefin polymer in which the .alpha.-olefin is C.sub.4 or higher; and (c) propylene polymer, having 60 wt % or more units derived from propylene, including isotactically arranged propylene derived sequences and a heat of fusion less than 45 J/g.