Space and practicality
Front space, rear space, seating flexibility, boot
Both cars are strict four-seaters, and in both it’s the driver and front passenger who are treated to the lion’s share of the space. Although the A5 has slightly more front head room, the 4 Series isn’t far behind, and ultimately a couple of tall adults will still have room to stretch out with the roof up.
Another two adults will fi t in the rear seats, but they’ll be hemmed in – more so in the A5 than the 4 Series. This is partly to do with the 4 Series’ slightly more generous head room, but mainly because its rear seats are wider. Neither car has much in the way of rear leg room, though.
No one reasonably expects an open-top to impress when it comes to boot space, but the A5 stands out here. Less of its boot is taken up by the roof mechanism when you’re going al fresco, and the luggage area is wider, longer and squarer in shape. Roofs up, we managed to fi t six carry-on suitcases in the A5, versus just four in the BMW. Audi throws in 50/50 split-folding rear seats as standard, whereas BMW charges £170 for the rear seatback to fold in one piece.
Audi A5 Cabriolet
Official boot capacity 380 litres Suitcase capacity - roof down 4 Suitcase capacity - roof up 6
BMW 4 Series Convertible
Official boot capacity 370 litres Suitcase capacity - roof down 4 Suitcase capacity - roof up 4
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