Audi is known for creating stylish and feature-rich automobiles, such as the 2021 A4 and the 2021 A6. Which model is right for you, though? Since they each have a lot to offer, the team at Audi Peabody has created this Audi A4 vs. A6 comparison to make the decision process easy for you.

Continue reading to learn all about the differences between these two sedans so you can choose the right model for your Peabody, Danvers, or Beverly, MA, drives. Otherwise, skip ahead to begin browsing our A4 and A6 inventory here.

 A4 vs A6: Exterior Presence

Dimensions of These Audi Sedans

These luxury models vary slightly in size since the A4 is a small car, while the A6 is a midsize model. You can see the differences in this breakdown of their exterior dimensions: 

A4 vs. A6 Exterior Dimensions


2021 Audi A4

2021 Audi A6


187.5 inches

194.4 inches


56.2 inches

57.4 inches


79.6 inches

83.1 inches


111 inches

115.1 inches


 The answer to which measurements you'll prefer lies in your specific driving needs. If you want a more compact ride to jet in and out of traffic and to make parking in tight spaces easier, then the Audi A4 is a good match.

If, instead, you want a more commanding presence on the open road, then you'll want to get behind the wheel of the Audi A6. The longer wheelbase of this sedan also provides a more stable and comfier ride, especially at highway speeds.

Sleek and Refined Design

However, no matter which vehicle you choose, its appearance will surely turn heads on the road.

After all, they each offer impressive lighting options. With the 2021 Audi A4, LED headlights help you see and be seen better at night.

Meanwhile, the 2021 A6 offers HD Matrix-design LED headlights. This feature functions as turn signal indicators, turning from white to yellow and moving in an outward direction. Combined with the available LED taillights with dynamic animation, you'll notice some stunning lighting patterns from every angle.

If you opt for the Audi A4, you'll have eight exterior color options to choose from in classic shades like Florett Silver Metallic and Ibis White. If you really want to turn heads, though, you may prefer the Audi A6 with 10 exterior color options. You'll find more bold selections, like Avalon Green Metallic, Firmament Blue Metallic, and Seville Red Metallic, as well.

A4 vs A6: Interior

A4 vs A6: Interior Dimensions

While these vehicles are different sizes, they each offer plenty of room for five people. This is evident in the following interior dimensions: 

A4 vs. A6 Interior Dimensions


2021 Audi A4

2021 Audi A6

Front Headroom

37.3 inches

38 inches

Front Legroom

41.3 inches

41.3 inches

Front Shoulder Room

55.9 inches

57.8 inches

Rear Headroom

37.4 inches

38.1 inches

Rear Legroom

35.7 inches

37.4 inches

Rear Shoulder Room

54.5 inches

56.5 inches


 As you can see, even with all your friends piled in the cabin, there's ample room for everyone to stretch their legs. However, if you're looking for a little extra space for taller passengers, then you'll want to select the A6.

There's also plenty of cargo room for shopping bags, luggage, and other types of items. Inside the Audi A4, you'll get 12 cubic feet of trunk space. Need more room for weekend bags? Once again, the 2021 Audi A6 offers more room with 13.7 cubic feet of trunk space.

Exciting Cabin Features

These luxury models also have lots of amenities to help keep everyone happy. For instance, they both come standard with heated front seats. Upgrade to a higher trim level, and you'll find ventilated front seats, heated rear seats, and a heated steering wheel in either vehicle.

Furthermore, these cars offer impressive technologies, such as an available Audi virtual cockpit. Right behind the steering wheel is a 12.3-inch fully digital instrument display. It can show just the classic speedometer/tachometer or you can get a full Google Earth™ imagery of your route when using the navigation system.

Audi A4 vs Audi A6: Performance Specs

Engine Options

With either the Audi A4 or the Audi A6, you'll get a sedan that offers an optimal balance of comfort and sportiness.

The 2021 A4 comes standard with a 2.0L 4-cylinder (40 TFSI®) that delivers 201 horsepower and 236 lb-ft of torque. For even more power, there's the available 2.0L 4-cylinder (45 TFSI®) that churns out 261 horsepower and 273 lb-ft of torque. This powertrain allows you to accelerate from 0 to 60 MPH in as little as 5.2 seconds.

The 2021 A6, meanwhile, comes standard with the 45 TFSI® motor to give you more power right out of the gate.

Still craving a more aggressive drive? If so, then you'll love the available 3.0-liter 6-cylinder motor. This engine cranks out up to 335 horsepower and 369 lb-ft of torque to help you travel from 0 to 60 MPH in just 5.1 seconds.

Sophisticated Power and Performance

Not only are these vehicles quite powerful, but they can also help you maintain control on any type of road.

Both the Audi A4 and the Audi A6 come standard with quattro® all-wheel drive with ultra® technology. This system distributes torque between the front and rear axles to prevent wheel slip before it can occur.

But this system isn't just for driving through inclement weather. When conditions are dry, it also works to balance vehicle weight and power output around turns to make cornering sleeker, smoother, and less fatiguing.

A4 vs A6: Test Drive Your Favorite 2021 Audi Sedan Today!

As you can see, both Audi models are quite impressive. That's why you'll want to take each of  them for a spin to see which one works better for your lifestyle in Peabody, Danvers, or Beverly, Massachusetts.

We hope we've answered your questions about the differences between the Audi A4 and the A6. However, if you'd like to learn more, you can reach out to a helpful member of our team and we'll gladly assist you in any way we can.

If you want to experience the 2021 Audi A4 or the 2021 Audi A6 for yourself, don't wait. Schedule a test drive at Audi Peabody today. See you soon!

Contact Our Team


Audi Peabody

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