The interior is a strong contender for the best-in-class accolade.
The first thing you’ll notice is the sheer quality of the build, the expensive material choice and the surprising attention to detail that comes with any A4 – the S4 is set apart by some S badges, the flat-bottomed steering and carbon fibre or aluminium trim inserts.
The driving position is superb
The standard seven-inch display mounted on the top of the dash provides crisp graphics and is easy to operate on the move thanks to the rotary wheel mounted in the centre console. Upgrade to the more expensive infotainment system and you get not only a larger eight-inch screen and a touchpad so you can write out postcodes with your finger, but also Google Earth sat-nav maps.
Audi’s optional 12.3-inch Virtual Cockpit replaces the dials behind the steering wheel and can display sat-nav maps in huge detail. The S4 gets an S-specific screen that is not too different to that in the R8 supercar.