2018 Mercedes-Benz S-Class vs 2018 Audi A8

Luxury shoppers can expect certain things to come standard in a flagship luxury sedan. Automatic climate control, driver memory settings, leather upholstery, heated seats, and elite sound systems are some features that every model should have. When drivers begin exploring the options available to them in this segment, it's important to get into more than the base luxuries.

In this 2018 Mercedes-Benz S-Class vs 2018 Audi A8 comparison, either model can deliver quality features and engaging driving. However, for drivers who want impressive power, several engine options, and generous space for passengers and cargo, the Mercedes-Benz model may rise to the top. The freshly redesigned 2018 Mercedes-Benz S-Class delivers confident power from the get-go, and can come loaded with unique and cutting-edge features that no other luxury sedan currently offers. We've compared the 2018 Mercedes-Benz S 450 to the 2018 Audi A8 L 3.0T below to show you how these base models stack up against each other.

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2018 Mercedes-Benz S 450 vs 2018 Audi A8 L 3.0T
$89,900 Starting MSRP $82,500
16.3 cubic feet Trunk Space 14.2 cubic feet
362 hp, 369 lb-ft Base Engine Output 333 hp, 325 lb-ft
Standard Adaptive Cruise Control Available

Engine options on the 2018 Mercedes-Benz S-Class

Both the 2018 Mercedes-Benz S-Class and the 2018 Audi A8 come standard with a 3.0-liter V-6 engine. However, the Mercedes-Benz S-Class offers more horsepower and torque with the same amount of displacement (you can see the statistics in the chart above). Moving beyond the base engine options, in this 2018 Mercedes-Benz S-Class vs 2018 Audi A8 comparison the Audi is available with one additional engine: a 4.0-liter turbocharged V-8 rated for 450 horsepower and 444 pound-feet of torque. The 2018 S-Class will also be available with several other engine options including a 463-horsepower 4.0-liter V-8 on the 2018 Mercedes-Benz S 560, and two AMG® engine options: a 603-horsepower 4.0-liter V-8 and a 621-horsepower 6.0-liter V-12.

The 2018 Mercedes-Benz S-Class also comes standard with multiple attractive driver assistance features, not all of which come standard on the Audi sedan. Some features that are standard on the 2018 S 450 include Active Brake Assist, ATTENTION ASSIST®, Adaptive Highbeam Assist, Lane Keeping Assist, PRE-SAFE®, Active Distance Assist DISTRONIC® and more.

Some attractive available features include MAGIC BODY CONTROL with CURVE function and the all-new ENERGIZING Comfort interior experience program.

Mercedes-Benz of Kanas City currently has the all-new 2018 Mercedes-Benz S-Class available to test drive. To learn more about this vehicle, contact a member of our sales team today or explore our inventory.


 *PRE-SAFE closes the side windows when the system's sensors detect side movements that suggest a possible rollover. A small gap is left near the fully closed position. Seat and head restraints adjust only when equipped with memory system.

rear view of the 2018 Mercedes-Benz S-Class on a black background
2018 Mercedes-Benz S-Class seen from the side on a black background
luxurious rear seats of the 2018 Mercedes-Benz S-Class
2018 Mercedes-Benz S-Class front seats and dashboard

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