Auto internal combustion engines aren&#x27;t that expensive to make. A base Ford engine cost about $100 to make in the 1980s.  Today&#x27;s cars have more cost in the electronics than in the powertrain.<p>The Tata Nano, the world&#x27;s cheapest car, originally cost about $1500. But Tata discovered that the versions with more features sold better.  It also flunked even basic crash tests.