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2021 Audi A4

The 2021 Audi A4 is a compact car, rated at 28 MPG combined by the EPA, with a 5-star NHTSA overall safety rating. NHTSA lists 4 recalls for this model year.

2021 Audi A4
© OWS Photography · CC BY 4.0
Combined MPG
28
NHTSA safety
Starting price
$41,000
Recalls
4

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Full specifications

Identity

SRC · NHTSA vPIC
MakeAudi
ModelA4
Model year2021
Vehicle classCompact Car

Engine & drivetrain

SRC · EPA FuelEconomy
Displacement2 L
Cylinders4
TransmissionAutomatic (AM-S7)
DrivetrainAll-Wheel Drive
FuelPremium Gasoline

Fuel economy

SRC · EPA FuelEconomy
City MPG25
Highway MPG34
Combined MPG28
CO₂ tailpipe311 g/mi
EPA annual fuel cost$2750

Available configurations

SRC · EPA FuelEconomy
A4 allroad quattro26 MPG combined
A4 quattro28 MPG combined
A4 S line quattro27 MPG combined

Fuel economy

SRC · EPA FuelEconomy
City25 MPG
Highway34 MPG
Combined28 MPG

Efficiency vs class average

A428 MPG
Class average31.6 MPG

About 11% below the class average.

Est. monthly payment
$722/mo
Amount financed
$36,900
Total interest
$6,419
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5-year fuel cost
$7,179

$1,436/yr · 12,000 mi/yr · $3.35/gal

Combined MPG28
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Extended warranty & insurance

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Cost to own

Estimate monthly payments and 5-year fuel cost using the tools in the sidebar. Figures use EPA fuel economy and current U.S. energy prices from EIA.

Safety ratings & recalls

SRC · NHTSA vPIC
Overall
Frontal crash
Side crash
Rollover

Recalls (4)

  • SEAT BELTS:REAR/OTHER:RETRACTOR21V606000 · 2021-08-05

    Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Quattro, Q3, Q5, Q5 Sportback, Q7, Q8, RS5 Sportback, RS5 Coupe, RS6 Avant, RS7, RSQ8, S4 Sedan, S5 Cabriolet, S5 Coupe, S5 Sportback, S6 Sedan, S7, S8, SQ5, SQ5 Sportback, SQ7, SQ8, and 2021-2022 S3 Sedan vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

    Remedy: Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge. Owner notification letters were mailed August 27, 2021. Owners may contact Volkswagen customer service at 1-800-893-5298 and Audi customer service at 1-800-253-2834. Volkswagen's numbers for this recall are 69CR (VW) and 69CS (Audi).

  • TIRES22V034000 · 2022-01-26

    Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not have been inspected after the repairs for Recall 21V-295 (42L1) were performed.

    Remedy: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L5.

  • SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY21V295000 · 2021-04-26

    Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.

    Remedy: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.

  • BACK OVER PREVENTION:DISPLAY FUNCTION22V742000 · 2022-10-05

    Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Coupe, A5 Cabrioleet, A4 Sedan, A4 Allroad, E-Tron Sportback Quattro, SQ7, S5 Cabriolet, E-Tron Quattro, SQ8, SQ5 Sportback, SQ5, S8, S7, S6 Sedan, S5 Sportback, S5 Coupe, 2022 E-Tron GT, and 2021-2022 RSQ8 vehicles. Due to a software issue, a blank or black screen may be displayed instead of the rearview camera image when the vehicle is placed in reverse gear. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

    Remedy: Dealers will update the infotainment unit software, free of charge. Owner notification letters were mailed October 25, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 91DZ.

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Frequently asked questions

What is the MPG of the 2021 Audi A4?

The 2021 Audi A4 is EPA-rated at 28 MPG combined (25 city / 34 highway).

Is the 2021 Audi A4 reliable?

NHTSA lists 4 recalls for the 2021 Audi A4. Recalls are repaired free of charge by the manufacturer — verify any open recalls by VIN before purchase.

How safe is the 2021 Audi A4?

The 2021 Audi A4 earned a 5-star overall NHTSA safety rating, including 4 stars in the frontal crash test.

How much does it cost to fuel the 2021 Audi A4?

At 12,000 miles per year, the 2021 Audi A4 costs roughly $1,436 per year to fuel, or about $7,179 over 5 years at current U.S. energy prices.

What type of vehicle is the 2021 Audi A4?

The 2021 Audi A4 is classified as a compact car. Common rivals in this class are worth comparing on price, MPG, and safety.

Sources: NHTSA vPIC · EPA FuelEconomy · NHTSA vPIC