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Hyundai Ioniq hybrid Dimensions & Space

RRP from
average carwow saving
Boot (seats up)
443 litres
Boot (seats down)
1,505 litres

Pretty much no one will struggle to get comfortable in the front of the Ioniq, but you pay the price for the sleek lines in the back, where it’s not as spacious as some of the other hybrids on the market

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Passenger space

The Hyundai Ioniq‘s steering wheel and front seat come with plenty of adjustment so you’ll have no trouble getting comfy – even if you’re very tall. Every Ioniq gets a height-adjustable front passenger’s seat and adjustable lumbar support for the driver’s seat to help reduce back ache on long journeys.

Pick a top-spec Premium SE car and you get electric seat adjustment with a memory function – useful if you regularly lend your car to someone significantly taller or shorter than you. There’s even a seat cooling feature to make hot days that little bit more bearable.

The back seats are reasonably spacious but there isn’t quite as much room for adults in the Hyundai Ioniq as you get in a Kia Niro or Toyota Prius. Anyone over six-foot tall will find their head perilously close to touching the roof and knee room is a little tight – especially with a six-foot-tall driver sitting in front.

Fortunately, there’s plenty of space to carry three kids in the back but the rather narrow central seat means there isn’t quite enough elbow room for three adults to sit side by side. There’s a slight lump in the floor that can get in the way of your middle passenger’s feet, too.

The back doors open quite wide but the Hyundai Ioniq’s sloping roofline means you’ll have to stoop down to lift in a child seat if you’re quite tall and the hidden Isofix anchor points make securing the seat base a bit of a pain.

Storage space

The front doors come with handy round bins that are big enough to hold a 1.5-litre bottle each with just enough room left over for another small bottle or can. You also get two cupholders in the centre console and space under the folding front armrest for a few valuables.

The rear door bins aren’t as spacious as those in the front but you get a pair of seat-back pockets as standard to tuck away thin items (such as iPads) and a folding rear armrest with two built-in cupholders.

Despite all the clever tech, my favourite feature on the Ioniq is probably the adjustable lumbar support - perfect for staving off backache on longer journeys

Mat Watson
carwow expert
Boot space

The Hyundai Ioniq’s boot isn’t quite as large as the 502-litre load bay in a Prius but, at 443 litres, it’s easily big enough to carry a baby stroller or enough bags for a family weekend away. By comparison, the boxy Kia Niro can only carry 427 litres of luggage.

The Ioniq’s boot opening is wide and square so it’s relatively easy to lift in some bulky luggage but there’s quite a tall boot lip that makes loading heavy items rather difficult. Still, its square shape makes it easy to pack full of large boxes and every Hyundai Ioniq comes with a handy luggage net to help tie down smaller items.

Sadly, there isn’t any storage space under the boot floor and you can’t adjust the floor height to reduce the size of that annoying boot lip, either. There are a few tether points dotted around the boot but no shopping hooks to stop your groceries rolling around.

Fortunately, you can fold the back seats down in a two-way (60:40) split if you need to carry some very long items and a passenger in the back seats at once. Flip both back seats down and the Ioniq’s boot grows to 1,505 litres – big enough to carry a bike if you remove one of its wheels. The back seats don’t fold completely flat, however, so it’s not particularly easy to push heavy boxes right up behind the front seats.

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