This helps the car's performance potential because BMW could use a smaller - capacity battery than would have been possible with a more conventional steel monocoque construction. (autoweek.com)
The Fiat 131 used steel monocoque bodywork for its three - box design and used a front engine, rear - wheel drive layout, where the engine is longitudinally front - mounted. (en.wikipedia.org)
The body is a conventional steel monocoque constructed from high - strength steel but it's not light, leading to a total kerbweight of around 1800 kg depending on model. (carmagazine.co.uk)