2021 Audi S8

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2021 Audi S8 Complete In-depth Review & Buying Guide

Updated on: November 16, 2020

A. Vats's image
A. Vats

Automotive Journalist

The all-new Audi S8 is indeed a masterpiece in the array of sedans that are to be introduced for the upcoming year. The complete elegance and authenticity it carries throughout its entire body and pure soul makes it a bit different from the normal sedans. Apart from the unaccustomed exteriors, the interior and other special packages in the various departments have made the 2021 Audi S8 more and more sophisticated and glaringly recognizable. The alluring performance and the stunning acceleration are added to the line of features that have made the S8 more captivating and competent among the rivals. 

The Audi S8 which was completely redesigned for the year 2020, will continue to have the same exterior designs and most interior features for the 2021 model. Also, the S8 is made available in one single trim level which is the 4.0 TFSI that costs $130,000. Although a handful of new highlights have been added to the standard equipment list of the S8. The 2021 Audi S8 gets 21-inch wheels, summer tires, and heated armrests for the front-seat passengers as standard. 

See detailed review »


Ample of latest tech and gizmos on offer

Comes standard with Quattro All-Wheel-Drive

Strikes a fine balance between luxury and performance

Extremely exclusive


Less cargo space

A serious fuel guzzler

Costs almost equivalent to the Audi R8

What's New?

New 21-inch wheels with summer tires as standard.

Heated armrests for the front-seat passenger.

See all new Audi S8 cars for sale »

new Audi S8 For Sale

See all used Audi S8 cars for sale »

used Audi S8 For Sale

Pictures & Videos

2021 Audi S8 Review video


2021 Audi S8 in Seville Red Metallic color 2021 Audi S8 in Moonlight Blue Metallic color 2021 Audi S8 in Terra Gray Metallic color
Seville Red Metallic

Vehicle images are guides only and may not reflect the model's exact specifications/features– exact specifications/features should be confirmed with the seller.




Engine And Performance


Fuel Economy








Final Verdict




Similar Cars

Trims and Configurations


2021 Audi S8 Base


563 hp @ 6000 rpm
Premium unleaded
18 combined


Style Prices MPG Engine Transmission Drivetrain Seats Colors
4dr Sedan (4.0L 8cyl 8A) Starting at $130,900 MSRP (13/18/22) 563 hp @ 6000 rpm, 4 L, V-8, Premium unleaded
8-speed Automatic all wheel drive 5

Expert Review


Overall Rating

The 2021 Audi S8 is an epitome of luxury and performance. The S8 gets a 4.0L twin-turbocharged V8 engine, that pumps out 563 hp and 590 lb-ft of torque. It takes 3.8 seconds for the Audi S8 to cross the 60 MPH mark from a standstill and, which gives it a competitive advantage over its rivals. The 2021 Audi S8 is a full-size luxury sedan which when urged, can blow the doors off of most of the regular sports cars.

The 2021 S8 will be competing with notable opponents like BMW M760i, Maserati Quattroporte GTS, and Porsche Panamera Turbo. Here’s our take on the 2021 Audi S8 that’s currently on sale in the U.S. Market. 

2021 Audi S8 Sedan Front View
2021 Audi S8 Sedan Rear View


Engine and Performance

Fuel Economy




Final Verdict

2021 Audi S8 Features


The 2021 Audi S8 is expected to have an enthralling performance and more exciting features like the 2020 model. In reference to the 2020 model year, the upcoming Audi S8 will be made available in one trim level, 4.0 TFSI. The expected price for the 2021 model is $130,000. The 2020 model incorporated features like blind-spot monitoring system, adaptive suspension and smart device integrating technologies like Apple CarPlay and Android Auto. For the year 2021, Audi is planning to add ingredients like heated and ventilated front seats and power driver & passenger seats.


Audi S8 4.0 TFSI



Key features 

Quattro sport rear differential


Panoramic sunroof with eliminated sunshades


Four-zone automatic climate control


20 inches 5 double-spoke alloy wheels


Bang and Olufsen 17 speaker premium audio system 

Since the 2021 Audi S8 has only one trim, 4.0 TFSI, a maximum number of advanced technologies and amenities are included in it. Starting with a base price of $130000 which is likely to be increased, S8 proves to be quite expensive. 

2021 Audi S8 Maintenance, Reliability and Warranty

The 2021 Audi S8 starts with a base price of $130,000, actually meets an increase and decrease in the price in different regions. Even though the sedan is highly expensive, it does provide an acceptable wide range of safety and reliability features in it. 

Reliability and Ownership Costs

The reliability of a car is of utmost importance to a buyer as it involves a huge investment. J.D.Power has not rated the S8 due to its low sales volume. However, it has been given a predicted reliability rating of 3.5 out of 5 by consumer agencies.

Even though the standard base price of the Audi S8 is $130,000, there are variations in the price of the same car in different places. Like, in Washington, the cost of the Audi S8 starts from $141,305. While, at the same time and for the same model, in New Jersey, it is sold for $138,350. So according to the places, the price and ownership costs also vary.









New jersey 




No recalls have been issued for this sports sedan which brings peace of mind to the buyers. All S8 made go through stringent quality checks before coming out of the factory. Audi as a brand is known for its quality and reliability and one can expect no less in its premium sports sedan.


Audi keeps client satisfaction, it's the utmost priority. In order to enhance the ownership experience, The 2021 Audi S8 comes with a basic warranty of 4 years or 50,000 miles and 12 years of corrosion warranty. The after-sales service of Audi is one great experience. The dealership network is widely spread and spares are easily available. 



Basic warranty 

4 years/ 50000miles, whichever is earlier

Corrosion warranty 

12 years/ Unlimited miles, whichever is earlier

Drivetrain warranty 

4 years/ 50000miles, whichever is earlier

Roadside assistance 

4 years/ Unlimited miles, whichever is earlier

Buying such an expensive sedan will create a frightening trauma for many of the customers about the maintenance as well. Audi has clearly made a solution to this problem by providing a 4year/unlimited roadside assistance. Also, Audi has made sure that a one-year maintenance plan is also added in the section as well.

Miles per Dollar

Over a span of 5 years, the true cost to own an Audi S8 comes to about $104,167. With a driving mileage of 15,000 miles per year, the maintenance and repair cost for Audi S8 is about $15,725, which in turn brings the miles per dollar cost to about 4.76 miles per $1. 

2021 Audi S8 Buying Advice

The 2021 Audi S8 is indeed a luxurious and comfy sedan starting with a base price of $130,000 or more. Available in one single trim there are no other options to consider. Although the purchase of the Audi S8 might feel like a nightmare because of the heavy price, it does extend maximum facilities and features in it. So buying a new S8 is indeed worth buying and is also good for the money.

Is buying a used Audi S8 a good idea?

Buying a used Audi S8 can be a fruitful decision. Audi has a reputation for making reliable cars and being a part of the Volkswagen group, it is also easy to maintain. All the spare parts are easily available, in case the car needs any kind of major repairs.

According to the survey, a used 2015 Audi S8 can prove to be of the best value. You can buy a used 2015 model in just over $40,000, and considering that not much has changed under the hood, the performance of the S8 will still be as significant. You can also check out the Carindigo inventory for a Used Audi S8 to find out more lucrative deals. 

2021 Audi S8 Engine and Performance


The 2021 Audi S8 is equipped with a highly efficient engine and its performance is outstanding. S8 shows how a luxury sedan should accomplish the needs and wants of the buyer. 

The 2021 Audi S8 is equipped with a strong and powerful 4.0L twin-turbo V8 engine which is capable of delivering a power of 563hp and a torque of 590lb-ft. The engine is placed in the hot V between the cylinders to generate a short flow of gas which thereby increases the throttle responses. Moreover, the S8 also gets a mild-hybrid configuration, roping in a 48-volt battery pack that aims at enhancing the engine’s effectiveness and efficiency

2021 Audi S8 Sedan Engine

The 2021 Audi S8 employs an 8-speed automatic transmission that routes all the grunt to all 4 wheels of this sedan as the S8 comes standard with Audi's Quattro AWD drivetrain. 

Furthermore, the highlight of this setup is that this 8-speed arrangement is not your regular chic, instead, it’s a quick-shifting ZF automatic transmission, that accounts for better efficiency, and sleeker gear shifts. 


2021 Audi S8

2021 BMW M760i

2021 Maserati Quattroporte GTS

2020 Porsche Panamera Turbo







4.0L Twin Turbo V8

6.6L Twin Turbo V12

3.8L Premium V8 

4.0L Twin Turbo V8







8 speed automatic 

8 speed automatic 

8-Speed Automatic W/Od Auto-Manual

8-speed auto-shift manual W/OD auto manual 

Power hp@rpm 

563 hp @ 6000 rpm

600 hp @ 5500 rpm

523 hp @ 6,800 rpm

550 hp @ 5750 rpm

Torque lb-ft@rpm

590 lb-ft @ 2000 rpm

627 lb-ft @1550 rpm

524 lb-ft @ 3,500 rpm

567 lb-ft @1960 rpm

Regardless of the price of the sedan, BMW M760i offers the maximum power and torque among its rivals. With a power output of 600 hp, the BMW M760i leads the segment. The Audi S8, might not seem as aggressive as the Beemer, however, the story is a bit different, when it comes to proving the potential. 

2021 Audi S8 Acceleration and Braking performance

Equipped with a 4.0L turbo inline V8 engine, the 2021 Audi S8 is capable of gaining 0-60 MPH in just 3.8 seconds and can reach quarter-mile in 11.9 seconds at a speed of 118 miles per hour. The 2021 Audi S8 also posts an electronically capped top speed of 155 mph, which is 25 mph more than the standard A8’s peak speed.

2021 Audi S8 Sedan Accelerate 0-60 MPH in 3.8 sec

From the data, it is clear that the Audi S8 is a speedy sedan in the array. Speaking of the brake rotors, the strong and hard brakes are more efficient and are capable of making the sedan come to a still position in a short distance than most of its competition.


2021 Audi S8

2021 BMW M760i

2021 Maserati Quattroporte GTS

2020 Porsche Panamera Turbo


3.8 secs

3.5 secs

4.7 secs

3.3 secs

Quarter mile 

11.9 secs


12.9 secs

11.7 secs

Top speed 

155 MPH

155 MPH

179 MPH

188 MPH


105 ft

109 ft

103 ft

104 ft

Porsche Panamera Turbo is quietly the speedy vehicle that is capable of gaining 0-60 in just 3.3 seconds. Also, it beats all others in the line-up. Speaking of the braking performance of the sedans in the array, Porsche Panamera Turbo is well equipped with the most powerful and strong brake rotors than the other sedans which make it come to a standstill from 60mph in 104ft. 

Also Read:

Check-out the most powerful Quattroporte ever - the 2021 Maserati Quattroporte Trofeo.

Porsche expands its Panamera E-Hybrid lineup with an all-new 2021 Panamera 4S E-Hybrid model


2021 Audi S8 Fuel Economy


The 2021 Audi S8 doesn’t have the most frugal engine of the lot, however, it does a fair job on the highways. The 2021 Audi S8 is capable of doing 22 MPG on the highways and 13 MPG in city driving conditions.

Summing up these figures, the 2021 Audi S8 returns a combined mileage of 16 MPG, which is a decent yet not really an impressive number in comparison to its rivals. The fuel tank of the S8 is efficient at holding 21.7 gallons in it. 


2021 Audi S8

2021 BMW M760i

2021 Maserati Quattroporte GTS

2020 Porsche Panamera Turbo

MPG City 





MPG highway 





MPG combined 





Fuel tank capacity 

21.7 gallons

20.6 gallons

21.1 gallons

23.7 gallons

Range (city/hwy/combined)

282/477/347 miles

268/412/329 miles

317/464/358 miles

427/593/497 miles

Porsche Panamera Turbo seems to be the most fuel-efficient sedan in the segment. The Panamera does an amazing 18 MPG in the city traffic conditions and 25 MPG on the highways. This gives the Porsche a combined mileage of 21 MPG.

The Audi S8 and BMW M760i have almost similar fuel efficiencies. However, with the best in class mpg figures and fuel tank capacity, the Porsche Panamera Turbo is the best mile cruncher here. 

2021 Audi S8 Interior


The 2021 Audi S8 still gets a luxurious interior and all kinds of high tech gadgetry to play with. The conventional buttons have been replaced with motion sensors and touch panels. Moreover, the 2021 Audi S8 also provides the best cabin space in comparison to its rivals. 

There are not many changes in the S8, and its insides look just as classy as the regular A8, exuding elegance and poise. Though there are some elements that differentiate the S8 from the A8, such as the “S” badging on the steering wheel and carbon-vector dashboard inlay. 

2021 Audi S8 Sedan Cockpit Area

Some of the notable interior features are four-zone climate control, active climate control, dual-pane acoustic glass, heated 4-spoke steering wheel with shift paddles, ambient LED lighting, heated and ventilated front seats, 22-way power comfort sport front seats, air quality check, Audi’s signature virtual cockpit assistance, and power tilt & telescopic adjustable steering column. 


2021 Audi S8

2021 BMW M760i

2021 Maserati Quattroporte GTS

2020 Porsche Panamera Turbo

Seating capacity 





Front (headroom/ shoulder room/ legroom) (in)

38.3/ 59.1/41.5




Rear (headroom/ shoulder room/ legroom) (in)





Except for Porsche Panamera Turbo, all cars in the comparison offer seating versatility for five passengers. Since the room space details are not available for the interior of the Maserati Quattroporte GTS and Porsche Panamera Turbo, we can make a contrast between the remaining two.

How is the 2021 Audi S8 infotainment system?

The infotainment system inside the 2021 Audi S8 sedan is indeed excellent and functioning. The user-friendly MMI touch screen allows you to scroll and select your favorite music and other entertainment radio stations, thus helping you relax a bit while driving. 

2021 Audi S8 Infotainment System

Other than this there are a number of features that add to the list of the infotainment features of the 2021 S8. Some of them are Apple CarPlay, Android Auto, voice control, Audi connect, easily customizable and accessible Audi virtual cockpit, Bang & Olufsen premium sound system with 17 speakers, HD radio, Sirius XM, phone box, and Homelink.

Apart from the standard infotainment features, there are more in the upcoming S8, like, rear seat connectivity with 10.1 inches Audi tablets and USB ports. Also, the rear seat facilitates a 5.7 inch OLED touch display remote to control the infotainment features for the rear side. 

What about the cargo capacity of the 2021 Audi S8?

This is where things start to get shaky for the 2021 Audi S8, its trunk capacity. The 2021 Audi S8 offers just 12.5 cubic feet of cargo space, which is pretty petite for a sedan of this segment. The major reason behind this downside is the standard all-wheel-drive system of the Audi S8 that robs it of its trunk space. 


2021 Audi S8

2021 BMW M760i

2021 Maserati Quattroporte GTS

2020 Porsche Panamera Turbo

Cargo Capacity

12.5 cu.ft.

18.2 cu.ft.

18.7 cu.ft.

17.6 cu.ft.

In terms of luggage capacity, Maserati Quattroporte GTS has the largest trunk space. The BMW M760i rakes in the second spot with 18.2 cubic feet, followed up by the Porsche Panamera Turbo with 17.6 cubic feet of cargo space.

Also Read:

How spacious is the 2021 BMW M760i?

How is the Audi S8's interior different than the 2021 Audi A8 L's interior?


2021 Audi S8 basic Sedan steering wheel
2021 Audi S8 Interior Image
2021 Audi S8 basic Sedan center console
2021 Audi S8 Interior Image
2021 Audi S8 basic Sedan cockpit area
2021 Audi S8 Interior Image
2021 Audi S8 basic Sedan shift knob
2021 Audi S8 Interior Image
2021 Audi S8 basic Sedan instrument cluster
2021 Audi S8 Interior Image
2021 Audi S8 basic Sedan speaker
2021 Audi S8 Interior Image
2021 Audi S8 basic Sedan rear seats
2021 Audi S8 Interior Image

2021 Audi S8 Exterior


Like the interior features, the 2021 Audi S8 also has a delicate and magnificent design philosophy. The laser-sharp focus by the HD Matrix-design Audi high beam lights gives it a sharp and sophisticated look. Also, the available OLED rear ambient lighting adds to the exterior looks. The iconic single-frame grille with platinum double slats gives it a sporty appearance.

From the side, the S8 looks exactly the same as the 2021 Audi A8, carrying forward the typical long sedan silhouette. The rear part of the ride is carried forward from the Audi A8 with very minor changes. Highlights such as the trunk lid spoiler and the thin light bar, that runs across the width of the trunk hood are exactly similar to the A8. 

The elements that will help you recognize an S8 over the A8 include elements such as the new 21-inch 5-double spoke S design wheels, S model exhaust vents, LED taillights and headlights with dynamic indicators, power-folding side mirrors, aluminum optic exterior side mirrors, power soft closing doors and power trunk open & close.


2021 Audi S8

2021 BMW M760i

2021 Maserati Quattroporte GTS

2020 Porsche Panamera Turbo

Curb weight 

5302 lbs

5159 lbs

4189 lbs

4398 lbs
















Ground clearance










Audi S8 is the heaviest sedan in the array when compared to the rivals. Also, it is the lengthiest, broader and tallest sedan than others in the line-up. BMW M760i beats others in terms of wheelbase. Porsche Panamera Turbo has the least wheelbase among the competition.

The Audi S8 is a handsome car that looks classy yet sporty at the same time. Some of the exterior features that help this offering from the Audi pull of two characters at the same time are:

  • 20" 5-double-spoke S design wheels
  • Singleframe grille
  • S-model quad exhaust outlets
  • HD Matrix-design LED headlights
  • LED taillights with dynamic indicators
  • Auto-dimming, power-folding, heated exterior side mirrors with memory
  • LED turn signals integrated into the exterior side mirror housings
  • Aluminum-optic exterior side mirror housings
  • Power soft-closing doors
  • Power trunk, open/close
2021 Audi S8 basic Sedan right side view
2021 Audi S8 Exterior Image
2021 Audi S8 basic Sedan THREE quarter view
2021 Audi S8 Exterior Image
2021 Audi S8 basic Sedan front view
2021 Audi S8 Exterior Image
2021 Audi S8 basic Sedan front view
2021 Audi S8 Exterior Image
2021 Audi S8 basic Sedan left side view
2021 Audi S8 Exterior Image
2021 Audi S8 basic Sedan rear three quarter view
2021 Audi S8 Exterior Image
2021 Audi S8 basic Sedan right side view
2021 Audi S8 Exterior Image

2021 Audi S8 Safety

While giving heed to the beauty aspects, the 2021 Audi S8 didn’t forget to take a look at its safety measures which is the most important thing when it comes to the vehicles. Although the 2021 Audi S8 has not been crash-tested yet by NHTSA and IIHS, considering the German build quality, we can be confident that the S8 would be one safe car.

Some of the most noteworthy safety features that the S8 has to offer are: 

  • Advanced Airbag Protection System with 9 airbags
  • Safety package front, with front center airbag and illuminated safety belt buckles
  • Front passenger occupant detection for airbags
  • Lower Anchors and Tethers for Children (LATCH) in rear seats
  • Electronic Stability Control (ESC) with secondary collision brake assist and traction control (ASR)
  • Rearview camera
  • Anti-lock Brake System (ABS) with Electronic Brake-pressure Distribution (EBD) and brake assist
  • Tire-pressure monitoring system
  • Electromechanical parking brake

Also Read:

How reliable is the Maserati Quattroporte GTS?

What are the safety features on offer in the 2021 BMW M760i?


2021 Audi S8 Competition


2021 Audi S8 vs 2021 BMW M760i

The 2021 BMW M760i is the most expensive and powerful vehicle between the two. Audi S8 offers a V8 but the 2021 M760i comes with a V12 engine and still it manages to post comparably similar fuel economy figures.

BMW M760i

However, the S8 scores better in terms of tech as Audi's infotainment system is quite intuitive and easy to use, unlike BMW's iDrive infotainment system. The 2021 BMW M760i offers a significantly high amount of interior space than the S8. Between the two, BMW is a better choice if you don't take price into consideration.

2021 Audi S8 vs 2021 Maserati Quattroporte GTS

The 2021 Maserati Quattroporte GTS offers a slightly reduced performance than the S8 owing to its smaller engine capacity. It might be slower than the S8 but it has the best braking performance thanks to its large and powerful brake rotors.

Maserati Quattroporte GTS

Between these two, the 2021 Audi S8 offers better performance, a higher range, and an inviting cabin. The only advantage that the Quattroporte has over the S8 is its bigger boot and better visual appeal. Between the two, the Audi S8 makes for a better choice.

2021 Audi S8 Final Verdict


2021 Audi S8 is indeed a premium choice when it comes to sedans. But the truth is that there are better ones parked near this. Audi S8 does have only one single trim level and you can't access for more.

In that 4.0 TFSI trim, Audi has managed to provide the maximum features which are available in its rivals too. But you will get to have a high-class luxury sports sedan at your home for just $130,000. Since it is the least expensive than other rivals except for Maserati Quattroporte GTS. Audi S8 is quite popular and reliable which makes it totally worth the money.

2021 Audi S8 FAQs:

What are the service intervals of the Audi S8?

According to Audi, you should get your S8 serviced every 12 months or every 1000 miles, whichever comes first.

What kind of gas is required for the Audi S8?

The Audi S8 is the sweet spot between blistering performance and opulent luxury. It gets a 4.0L V8 under its hood which should only be made to run on premium grade unleaded gasoline.

What is the annual average maintenance cost of an Audi S8?

The annual maintenance cost of an Audi S8, on average, ranges from $800 - $823, depending upon your service provider. 

How many miles does the Audi S8 last?

The Audi S8 can easily last for about 150,000 to 200,000 miles, given that you treat your S8 with proper and timely maintenance as per requirements, and replace your Audi parts as soon as they start exhausting. 

When can I order a 2021 Audi S8?

The 2021 Audi S8 is currently on-sale and is available for orders. 

Used Audi S8 for Sale

Car Name Deals Starting Price Number of Listings
2020 Audi S8 2 Great Deals Out of 121 $112,499 121 Listings
2018 Audi S8 0 Great Deals Out of 3 $64,900 3 Listings
2017 Audi S8 0 Great Deals Out of 29 $41,998 29 Listings
2016 Audi S8 1 Great Deals Out of 24 $42,790 24 Listings
2015 Audi S8 0 Great Deals Out of 8 $34,495 8 Listings