A thermoplastic composition comprises, based on the total weight of the composition, (a) from 10 to 80 wt. % of a polybutylene terephthalate; (b) from 10 to 80 wt. % of a copolyestercarbonate having a number average molecular weight of more than 21,500 Daltons; (c) from 7 to 30 wt. % of a particulate filler; (d) from 0.1 to 10 wt. % of a fluoropolymer; and (e) from 3 to 25 wt. % of a polymeric impact modifier. The thermoplastic composition can be prepared by melt blending components, and the thermoplastic composition can be used for making automotive body panels or enclosures.