Used test: Audi RS4 Avant vs Mercedes-AMG C63 S Estate

Two cracking performance estates, but which one makes the most sense bought at a couple of years old? Read on to find out...

New Audi RS4 Avant vs Mercedes-AMG C63 S Estate

What are they like inside?

When choosing a regular estate, outright practicality often takes priority over everything else. But, of course, these are not normal estates, and therefore a good driving position and a luxurious interior are just as important. With that in mind, the RS4 is tough to fault; its diamond-stitched sports seats are both comfortable and supportive, while the highly adjustable flat-bottomed steering wheel allows you to easily find your ideal driving position.

New Audi RS4 Avant vs Mercedes-AMG C63 S Estate

That said, the C63 S feels like the sportier car from behind the wheel. You sit lower in the heavily bolstered AMG sports seats, and the thick-rimmed steering wheel, complete with aluminium gearshift paddles (the RS4’s are plastic), feels fantastic.

However, the RS4 claws back some points with its more user-friendly infotainment system, as well as Audi’s excellent Virtual Cockpit digital instrument dials. The interior also features a plethora of soft plastics, well-damped switches and beautiful chrome accents that feel a cut above the C63 S’s in outright quality.

New Audi RS4 Avant vs Mercedes-AMG C63 S Estate

Look past the performance and you’ll find that both the C63 S and RS4 are as practical as the regular models on which they’re based.

That means it’s the RS4 that offers the more usable boot space, thanks to its extra length and larger aperture. The RS4 swallowed seven carry-on suitcases in our tests, whereas the C63 S could manage only six.

The C63 S does have some advantages, though. It has a smaller loading lip (just 2cm high), comes with a fold-out basket for your shopping and has one-touch switches at the boot opening that drop the rear seatbacks. The RS4 makes do with handles on the walls of the boot that do the same job but aren’t as convenient.

As for rear passenger space, the C63 S offers fractionally more leg and head room, although there’s less space for your feet under its front seats.

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