Discover concept cars and prototypes on Below The Radar

Take part in one of our fiendishly tricky three-minute quizzes

Lamborghini Cala

Lamborghini really needed a junior supercar in the 1990s; the Cala could have been it

Jeep is renowned for its XXL-sized SUVs, but the diminutive Treo flew in the face of that

If you needed to transport the family in a hurry, the Lambo-powered Genesis was just the job

It was the most frugal Cadillac ever, with its 1.0-litre engine and dinky dimensions

Harley Earl's final dream car was this, a far more innovative concept than many realise

Inspired by the Bugatti Type 57S Atlantic, this Chrysler coupé caused a sensation

In the 1950s, car designers were obsessed with space travel. After all, this was the jet age

The Peugeot Hoggar was just what you needed if your quest was to cross a desert in a hurry

Rinspeed has produced plenty of weird concepts over the years, typified by the Senso