15 Worst Concept Car Ideas Fails! In today’s day and age, it is on trend to be as new and innovative as possible when designing cars. And while some features such as electric capabilities and space maximizing designs have become quite popular, there are some car concepts that have totally flopped. And be it poorly conceived designs, tacky features, or horrible performance, there are some failures that are certainly worse than others. So today, strap on your seatbelts and get ready for a bumpy ride as we count down the Top 15 Worst Concept Car Ideas! Don’t forhet to share this one and follow us also on Facebook!