Complex sentence: The design of the roadster was not unlike the'Radclyffe Roadster', with similar hood and side windows, the rear engine cover, however, was a hand-formed panel, and not a converted front bonnet as was the Radclyffe version.
Split into simpler sentences: The design of the roadster was not unlike the'Radclyffe Roadster', with similar hood and side windows. The rear engine cover, however, was a hand-formed panel, and not a converted front bonnet as was the Radclyffe version.