Throughout its history, the French manufacturer has showcased many intriguing concept cars, but over the last three decades, it has unveiled five that take innovation to another, far more impressive ...

The initial Laguna Coupe line-up starts at £20,995 and is based around four engines: 148 and 178bhp editions of Renault’s well-established 2-litre turbodiesel, a detuned version of the petrol 3 ...