Will VÅGSTRANDA Pocket spring mattress, medium firm/white, Twin fit in an Opel Astra 2022?

The Astra gives you a compact hatchback boot built around a 37⅜″ wide by 28″ tall opening. Seats up, the floor runs only 28¾″ deep, so it suits shopping, cases and smaller flat boxes rather than long loads. Fold the rear bench and the floor stretches to 60⅝″, a gain of 31⅞″, which is where this boot earns its keep for flat-pack runs. The narrow point across the back is 40⅛″, and the lip sits 27⅛″ off the ground with a 5⅛″ drop to the floor. Long boxes go in on the diagonal through that 37⅜″ opening, so measure the opening, not just the boot.

The VÅGSTRANDA Twin arrives roll-packed as a single dense block, 43¾″ × 18¼″ × 17½″, weighing 69 lb 4 oz. The shape is friendly, the weight is not: it is a compressed pocket spring mattress, so all of that mass sits in a stubby bundle with no handles and a wrap that likes to slip. Because its longest edge is 43¾″, most hatchbacks swallow it with a seat folded, and many boots take it outright. Carry it with two people, load it on its long side, and leave the wrapping sealed until it is in the bedroom: once it unrolls, it never goes back.