New Mercedes-AMG GT 4dr vs Porsche Panamera

Fast, luxurious and practical, the Porsche Panamera is a sumptuous way to go grand touring. But it faces stiff competition from the new Mercedes-AMG GT 4dr...

Mercedes AMG GT 4dr rear seats

Space and practicality

Front space, rear space, seating flexibility, boot

The GT offers more room in the front, but neither car feels short on head, leg or shoulder room, or space for your accoutrements. It’s in the rear where the differences magnify. While it’s fair to say the GT is decent (for a coupé) at fitting two six-footers behind their equivalents up front, there’s little room to spare, especially for feet under the front seats. But most annoying is the lack of a rear centre armrest; considering you get two individual rear seats as standard, this seems like an odd omission. You have to upgrade to the Rear Luxury Lounge Pack (£3695) or swap to a three-seat bench (£750) to avoid having to rest your arm on hard plastic cupholders. Where’s the luxury in that?

Porsche Panamera rear seats

The three seats you get in the back of the Panamera are hardly any better for fitting three abreast than the GT’s two, but as a two-seater it’s much nicer. The seats are better shaped and you get much more leg room and similar head room, even with a panoramic glass roof fitted.

The GT has the better boot, holding seven carry-on suitcases easily. The Panamera can manage a creditable six, and when that’s not enough, you can fold down its 40/20/40-split rear seats to make more room. The GT’s rear seatbacks are fixed. 

Mercedes-AMG GT 4dr

Mercedes AMG GT 4dr boot

Front space is fine, with loads of storage room. Two rear seats are standard; you can fit a three-seat bench for £750, but there won’t be much room for the middle passenger. GT has a bigger boot but no folding rear seatbacks.

Boot 461 litres  Suitcases 7

Porsche Panamera

Porsche Panamera boot

There’s plenty of head room front and rear, despite the optional glass roof. Panamera is better in the rear than the GT, with comfier seats plus better leg and foot room. Boot is smaller, but folding seatbacks boost practicality.

Boot 425 litres  Suitcases 6

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