Engineers also focused on weight savings, employing large amounts of high - strength steel and aluminum door skins. (digitaltrends.com)
The models receive a black roof, grille, and wheel arches as well as aluminum door handles and fuel filler cap. (automobilemag.com)
This was achieved through the use of aluminum doors and rear lid, the manually operated roof and unique light weight 20 inch wheels. (en.wikipedia.org)