The R4 is back after a 30-year hiatus as a no-nonsense and practical electric crossoverRenault reckons the new Renault 4 is a thorough reinvention that retains all the versatility of the old model. And in some respects the french manufacturer is right. This new car is versatile. It’s longer than the new Renault 5 it shares a platform with and has more occupant room. Boot space - at 420 litres - is 100 litres larger than that car and it’s larger than most of its rivals too, plus