2021 Audi S4 review
Audi S4 highlights
Customer rating
Pros
- Sharp exterior looks
- AWD gives confident handling
- Upgraded standard equipment for 2021
Cons
- Small trunk space
- Touchscreen looks tacked on
- Over-sensitive driver-assist features
Mileage (EPA estimate)
20 city, 27 highway, 23 combined
Pricing for current inventory
(no current inventory)
Shop with your budget in mind
Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.
Small performance sedan
Based on the A4 small luxury sedan and upgraded for 2021, the Audi S4 has new standard comfort and driver-assist features, as well as enjoyably high levels of performance and technology.
All Audi S4 years
What is new for the 2021 Audi S4?
- S4 trims have been upgraded with Heated Steering Wheel, Rear Seat Heaters, and Panoramic Sunroof as standard equipment this year.
- The Premium Plus trim now comes with Lane Departure Warning, Head Up Display, and Automated Cruise Control as standard equipment.
- The Premium trim now comes with Lane Departure Warning as standard equipment.
2021 Audi S4 trims
Curious how Audi S4 trims differ? Use our side-by-side vehicle comparison to see the differences and similaritiesPremium:
- 349-hp, 369-lb-ft of torque 3.0L
- Sunroofs
- Front Seat Heaters
- Seat Massagers
- Smart Key
- Panoramic Sunroof
- Power Seats
- Leather & Suede Seats
- Rear View Camera
Premium Plus:
- Includes all features available on the Premium
- Heated Steering Wheel
- Blind Spot Monitor
- Memory Seats
- Rear Seat Heaters
- Head Up Display
- Parking Sensors
- Automated Cruise Control
- Satellite Radio Ready
- View our Audi S4 Premium Plus inventory
Prestige:
- Includes all features available on the Premium Plus
- Navigation System
- Bang & Olufsen Audio
- Android Auto
- View our Audi S4 Prestige inventory
Audi S4 photos
5 reasons to buy the 2021 Audi S4
1. Plenty of power
The 3.0L turbocharged V6 engine of the 2021 Audi S4 has 349 hp, which is plenty of power for a small sports sedan. The 369 lb-ft of torque catapults the 2021 S4 off the line, delivering sports-car-like pace and a claimed zero-to-60 time of only 4.4 seconds. Highly usable performance, whether you’re driving to the creche, meeting friends in town, or taking an interstate road trip, the S4’s power suits every driving occasion.
2. Sharp style
The 2021 Audi S4 has sharp lines and a discreet appearance. These low-key looks make the S4 a classy statement and a true sleeper if you want to stay under the radar. Aluminum finishes on the bumpers, mirror caps and side skirts differentiate the exterior from the regular A4, along with 18-inch alloy wheels, quad exhausts, and a trunk lid spoiler. If you want a sleeker presence, choose the Black Optic package on Premium and Premium Plus models for Titanium Black exterior details and a set of 19-inch matte titanium finish wheels.
3. Interior tech
The sports-trimmed cabin of the 2021 Audi S4 wows with its mix of finishes and technology. Up front, a 10.1-inch color touchscreen with acoustic feedback controls the infotainment system when on the move. Three-zone automatic climate control will keep all passengers comfortable, and standard wireless Apple CarPlay® and wired Android Auto™ connectivity will keep everyone entertained. Choose the mid-range Premium Plus trim for a 12.3-inch Audi virtual cockpit digital instrument panel and a wireless smartphone charging pad. Top-spec Prestige trim adds a heads-up display, a navigation system, and a Bang and Olufsen® audio system.
4. Confident handling
Audi’s quattro® permanent all-wheel drive is standard on the 2021 Audi S4 for extra traction on slippery surfaces. The AWD set-up means grip is plentiful for added assurance, whether you’re driving to the pool, meeting at the cinema, or tackling mountain road curves.
5. Available packages
Attractive available packages for the 2021 Audi S4 boost the specification. If you want an even sportier drive, the S Sport package includes a quattro® sport rear differential for extra performance and grip out of corners, and sport adaptive damping suspension. Red brake calipers add the finishing touch. If you spend time in hotter climates, you’ll appreciate the Warm Weather package featuring ventilated Milano leather front sport seats with four-way power adjustment, and manual rear window sunshades to protect everyone from the sun.
Shop with your budget in mind
Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.
Ratings & reliability
RepairPal gave the Audi S4 an overall reliability rating of 2.5 out of 5 stars, which RepairPal describes as Average. This rating ranks Audi S4 61st out of 68 among Luxury Midsize Cars.
View RepairPal's full rating of the Audi S4Audi S4 features and specs
Curious how Audi S4 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities
Prestige 4WD/AWD 4D Sedan
Standard Features
- 4WD/AWD
- ABS Brakes
- Air Conditioning
- Alloy Wheels
- AM/FM Stereo
- Android Auto
- Apple CarPlay
- Automated Cruise Control
- Automatic Transmission
- Auxiliary Audio Input
- Bang & Olufsen Audio
- Blind Spot Monitor
- Front Seat Heaters
- Heated Mirrors
- Heated Steering Wheel
- Leather & Suede Seats
- Memory Seat(s)
- Navigation System
- Overhead Airbags
- Parking Sensors
- Power Locks
- Power Mirrors
- Power Seat(s)
- Power Windows
- Rear Defroster
- Rear Spoiler
- Rear View Camera
- Satellite Radio Ready
- Seat Massagers
- Side Airbags
- Smart Key
- Sunroof(s)
- Traction Control
- Turbo Charged Engine
- A/C Seat(s)
- Rear Spoiler
- Rear Sunshade
Drive Wheels
All Wheel (4WD/AWD)
Engine size
3.0L
Horsepower
349
Torque (ft-lbs)
369
Engine type
Turbo Gas
Fuel capacity
15.3
Wheelbase
111"
Overall length
187.5"
Width
72.7"
Height
56.2"
Leg room
F 41.3"/R 35.7"
Head room
F 37.3"/R 37.4"
Front tires
P245/40YR18
Rear tires
P245/40YR18
Seating capacity
5
Transmission
Automatic
2021 Audi S4 FAQ
The 2021 Audi S4 is available in multiple trims, each with its own estimated fuel economy, here are the EPA estimates for each trim:
- Prestige: 20 MPG City and 27 MPG Highway
- Premium: 20 MPG City and 27 MPG Highway
- Premium Plus: 20 MPG City and 27 MPG Highway
The Audi S4 received a rating of 2.5 out of 5 stars from RepairPal, which RepairPal describes as Average. This rating ranks the Audi S4 as 60 out of 68 among Luxury Midsize Car
The 2021 Audi S4 has received an average 5.0 out of 5 stars from our customers. If you're in the market for a 2021 Audi S4, check out reviews from customers just like you. 2021 Audi S4 Reviews.
Here is what's new for the 2021 Audi S4:
- Heated Steering Wheel
- Panoramic Sunroof
- Rear Seat Heaters
- Lane Departure Warning
- Head Up Display
Research other vehicles
- Used Audi buying guide
- 2025 Audi S4 review
- 2012 Audi S4 review
- 2013 Audi S4 review
- 2014 Audi S4 review
- 2015 Audi S4 review
- 2016 Audi S4 review
- 2018 Audi S4 review
- 2019 Audi S4 review
- 2020 Audi S4 review
- 2022 Audi S4 review
- 2023 Audi S4 review
- 2024 Audi S4 review
- All things EV
- 2020 Lexus RX 350 review
- 2021 Lexus RX 350 review
- 2022 Lexus RX 350 review
- 2020 Mercedes-Benz CLA45 AMG review
- 2021 Mercedes-Benz CLA45 AMG review
- 2016 Mercedes-Benz GL350 review
- 2016 Mercedes-Benz GL450 review
- 2021 Mini Cooper Hardtop review
- 2022 Mini Cooper Hardtop review
- 2014 Mitsubishi Lancer review
- 2016 Scion iM review
- 2015 Scion iQ review
- 2019 Smart EQ Fortwo EV review
- 2017 Smart Fortwo review
- 2018 Smart Fortwo Electric review
We hope you found this information helpful. This content is intended to inform and is not meant to indicate that a particular vehicle is currently available or recommended for you.
Statements of fuel economy or EV range are based on EPA and other third-party estimates for vehicles when new. Fuel economy and EV range will degrade with time and vary based on age, driving conditions, vehicle history, and other conditions. See fueleconomy.gov for more info.
Unless otherwise noted, information related to featured vehicles comes from third-party sources, including manufacturer information. Product and company names may be trademarks or registered trademarks of third-party entities. Use of them does not imply any affiliation with or endorsement by these entities. By clicking on any video links, you will be taken to a third-party site maintained by YouTube, Inc.
We make every effort to provide accurate information, but please verify before purchasing.
