The Mercedes-Benz S-Class and Audi A8 are both long-wheelbase German flagships with all-wheel drive and extremely quiet cabins, but they have different personalities. The A8 is understated and technical, with standard quattro, a crisp dual-touchscreen dashboard and a calm, composed ride. The S-Class is more opulent and more focused on the rear passenger, with executive seats, rear airbags, a more extensive chauffeur feature set and stronger brand recognition in chauffeured service.

At a glance

Mercedes-Benz S-Class Audi A8 L
Current generation W223 (2020) D5 (2017, updated)
All-wheel drive 4MATIC (standard in the U.S.) quattro (standard)
Body structure Steel/aluminum mix Aluminum-intensive
Dashboard OLED central screen Dual touchscreens
Rear highlights Executive seats, rear airbags, rear tablet Relaxation seat with foot massage
Performance version AMG S 63 S8

Rear-seat comfort

The A8 L’s rear relaxation seat reclines and includes a footrest with foot massage and heating — a lovely touch. The S-Class offers a similar executive experience plus a broader range of rear safety features and a more cocooning feel.

Ride and quietness

Both are extremely refined. The A8’s predictive active suspension (on some versions) smooths bumps impressively; the S-Class’s air suspension and E-Active Body Control are tuned for serenity.

Design and cabin

The A8 is discreet — ideal for executives who prefer not to draw attention. Its cabin feels like a precision instrument. The S-Class is more ornate, with dramatic ambient lighting and a large OLED screen.

Winter confidence

With standard all-wheel drive on both in the U.S., each handles Northeast winters well. Read AWD vs 4WD.

Verdict

For owners who drive themselves and prize understatement, the A8 is superb. For chauffeured passengers, the S-Class’s rear-seat focus and chauffeur heritage give it the edge. Read the Audi A8 history and the S-Class history, or see our Mercedes-Benz S-Class.