2021 Audi S4 vs 2021 Audi A6


The 2021 Audi S4 and Audi A6 are both luxury sport sedans that are designed to get you where you need to be safely, comfortably, and stylishly. Are you wondering how they are different from each other? Read on to learn more about each model! 

Size & Capacity Differences: 2021 Audi S4 vs 2021 Audi A6 

The Audi S4 and Audi A6 have the same amount of legroom in the front (41.3 in), with the A6 having slightly more rear legroom than the Audi S4 (37.4 in and 35.7 in respectively). In addition, if having more cargo space is important to you, the Audi A6 has a slightly larger cargo capacity of 13.7 cubic ft, whereas the Audi S4 has a cargo capacity of 12 cubic ft. The Audi A6 also has split-folding rear seats to help you better utilize your space. 


Features Differences: 2021 Audi S4 vs 2021 Audi A6


Both the 2021 Audi S4 and 2021 Audi A6 come with some of the same luxury and safety features. For example, both have an Audi virtual cockpit with 12.3-inch screen, the Bang & Olufsen® sound system with 3D sound, and Audi pre sense ® basic and city. Below is an overview of some of the other available features for each car. 

- The Audi S4 has a 10.1 inch MMI® touch display, Audi connect ®, top view camera system, park assist, and the Audi adaptive cruise assist with traffic jam and turn assists. In addition, the Audi A6 has the interior lighting plus package that offers 30 color choices for interior lighting. 

- The Audi A6 comes with Ambient LED interior lighting, Audi MMI® touch response system, Audi connect ®, Audi adaptive cruise assist, and a top view camera system with virtual 360 view. 

Performance Differences: 2021 Audi S4 vs 2021 Audi A6

Each car is powered by a different kind of engine, therefore, one is going to have more horsepower than the other. The 2021 Audi S4 has a 3.0L six-cylinder engine with a maximum output of 349 hp, whereas the 2021 Audi A6 has a 2.0L four-cylinder engine with a maximum output of 261 hp. The Audi S4 has 369 lb-ft rate of torque, whereas the Audi A6 has a 273lb-ft rate of torque. In addition, if speed is what you're looking for, then the S4 might be the car for you! The S4 has an acceleration time of 4.4 seconds, while the A6 has an acceleration time of 6.1 seconds. 

Both the 2021 Audi S4 and Audi A6 come with Quattro® all-wheel drive with ultra technology. However, they differ slightly in the type of suspension system that they use. The Audi S4 uses both five-link front independent steel spring S4 sport suspension in the front and rear. The Audi A6 on the other hand, uses a five-link front independent steel spring suspension in the front and the rear. In addition, the S4 has an eight-speed Tiptronic® automatic transmission, and the A6 has a Seven-speed S tronic® dual-clutch automatic transmission. 

 AUDI S4 (with TFSI® quattro® Tiptronic®)   AUDI A6 (with 45 TFSI® quattro® S tronic®) 
 $49,900  Starting MSRP $54,900
 349 HP Horsepower 261 HP
quattro® all-wheel drive with ultra® technologyDrivetrainquattro® all-wheel drive with ultra® technology
 20 city mpg/28 highway mpg  Fuel economy (estimated) 23 city mpg/31 highway mpg 
 12 cu ft  Maximum Cargo Volume 13.7 cu ft
 41.3 in (front) 35.7 in (rear)  Legroom 41.3 in (front) 37.4 in (rear)
 10.1 in MMI® touch display screen  Standard Infotainment Display Audi MMI® touch response system

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