Passenger & boot space
How it copes with people and clutter
Up front, the i4 shares similar dimensions to the BMW 4 Series, so you’re unlikely to have any trouble with head or leg room. Storage space is plentiful too, with a generously sized glove box, a cubby under the central armrest and door bins that are partitioned so loose items don't rolling around.
In the rear, the dramatically curved roofline means you have less rear head room than in the BMW 3 Series saloon and the rear seat is placed a little higher than in the 4 Series Gran Coupe to accommodate the battery and electric motor underneath. As a result, passengers over six feet tall will have their heads touching the ceiling.