Makes›Audi›A4›2020

2020 Audi A4

Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2020 models.

Audi A4
Pictured: Audi A4 B9 sedans (FL) 1X7A2441. Photo: Alexander-93, CC BY-SA 4.0, via Wikimedia Commons
Class
Compact Cars
Body styles
4dr Sedan Quattro, Allroad Quattro
Engines
2.0L 4-cyl turbo
Horsepower
248 hp
Transmission
automatic, 7-speed automatic
Drivetrain
Front-Wheel Drive, All-Wheel Drive
Seats
5
Fuel
Premium Gasoline
MPG (best)
30 combined · 27 city / 35 hwy
Length
187.4 in
Curb weight
3,633–3,854 lb
NHTSA rating
Not rated
Recalls
3 campaigns

Pros & cons

What's good

  • AWD / 4WD available
  • Lots of standard safety tech5 of 5 key driver aids standard on the versions we checked.

Watch out for

  • Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
  • Modest powerUp to 248 hp, versus about 316 hp for similar 2020 models.
  • Many owner complaints158 complaints filed with NHTSA versus about 3 for similar models — most often about the electrical system.

Calculated from EPA, NHTSA and vPIC data against 33 similar 2020 models — not a review. How we calculate this →

Overview

The 2020 Audi A4 is a compact car offered with a 2.0L 4-cyl turbo engine and front-wheel drive and all-wheel drive.

It measures about 187 inches long and 73 inches wide on a 111-inch wheelbase, with a curb weight of roughly 3,633 lb (4dr Sedan Quattro).

EPA rates its most efficient version at 30 MPG combined (27 city / 35 highway), 10% better than the 2020 compact car average of 27.3 MPG, for an estimated $2,750 a year in fuel.

NHTSA has not published a 5-Star overall rating for this model year.

It has 3 recall campaigns on file and owners have filed 158 complaints with NHTSA since 2015, most often about the electrical system.

What changed for 2020

  • Lightest version 183 lb heavier

Compared with 2019; trim, feature and price changes aren't covered. See the 2019 A4 →

Trims, performance & features

Engine248 hp2.0L 4-cyl
Engine248 hp2.0L turbo 4-cyl
Transmissionautomatic · 7-speed automatic
DriveAWD/4WD
Seating5 seats · 2 rows

Trims

quattro Premium Plusquattro Premiumquattro Premium plusquattro Prestige

Safety & driver-assist features

Automatic emergency brakingStandard
Pedestrian emergency brakingStandard
Forward collision warningStandard
Blind-spot monitoringStandard
Rear cross-traffic alertStandard
Lane departure warningStandard
Lane keeping assistStandard
Adaptive cruise controlStandard
Backup cameraStandard
Automatic high beamsStandard
Adaptive driving beamStandard
Keyless startStandard
LED headlightsYes

Built in: Neckarsulm, Germany · Ingolstadt, Germany

NHTSA vPIC, as reported by the manufacturer for 5 2020 A4 configurations; may not list every trim. How we calculate this →

Dimensions & weight

BodyLengthWidthHeightWheelbaseTrack F / RCurb weightWeight F/R
4dr Sedan Quattro187.4 in72.8 in56.3 in111 in61.8 / 61 in3,633 lb56/44
Allroad Quattro187.4 in72.8 in59.1 in111 in62.2 / 61.8 in3,854 lb

Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.

Will it fit your garage? Check with your measurements →

Engines, MPG & running costs

VersionEngineTransmissionDriveCity / Hwy / Combvs. classFuel / yrCO₂ g/mi
A42.0L 4-cyl turboAutomatic (AM-S7)Front-Wheel Drive27 / 35 / 30+10%$2,750295
A4 quattro2.0L 4-cyl turboAutomatic (AM-S7)All-Wheel Drive24 / 32 / 27-1%$3,050329
A4 allroad quattro2.0L 4-cyl turboAutomatic (AM-S7)All-Wheel Drive23 / 31 / 26-17%$3,150337
7/10EPA fuel economy score (best version)
7/10EPA greenhouse gas score
Spend $1,750Fuel over 5 years vs. average new car
27.3 MPG2020 Compact Cars average

EPA estimates; "vs. class" is combined MPG against the 2020 EPA class average. How we calculate this →

Safety ratings & technology

VersionOverallFrontalDriver / passengerSideSide poleRolloverRollover risk
2020 Audi A4 allroad SW AWDNot ratedNot rated–★ / –★★★★★★★★★★★Not rated–
StandardElectronic stability control
StandardForward collision warning
OptionalLane departure warning

Similar 2020 compact cars

ModelBest MPG / rangeNHTSA overallRecalls
2020 Audi A4 (this car)30 MPGNot rated3
2020 BMW 3 Series30 MPGNot rated0
2020 BMW 5 Series28 MPGNot rated0
2020 Lexus IS24 MPGNot rated0
2020 Tesla Model 3330 mi★★★★★21
2020 Audi A627 MPG★★★★★9
2020 Tesla Model S402 miNot rated11

Recalls (3)

Tires · Jan 26, 2022

NHTSA campaign 22V034000 · 31,058 vehicles

Problem
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.
Risk
Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
Fix
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.
Air Bags › Sensor › Occupant Classification › Front Passenger · Nov 10, 2021

NHTSA campaign 21V874000 · 208,332 vehicles

Problem
Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
Risk
A disabled passenger air bag increases the risk of injury in the event of a crash.
Fix
Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.
Suspension › Rear › Axle › Non-Powered Axle Assembly · Apr 26, 2021

NHTSA campaign 21V295000 · 40,993 vehicles

Problem
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.
Risk
A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
Fix
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.
Check your VIN for open recalls at NHTSA ↗

Not every 2020 Audi A4 is affected — only a VIN check confirms your car.

Owner-reported problems

158Complaints to NHTSA since 2015
1Involved a crash
0Involved a fire
0Injuries reported
26,000 miTypical mileage at failure
Electrical System111
Unknown Or Other68
Back Over Prevention › Warnings47
Back Over Prevention › Rearview System Braking25
Forward Collision Avoidance › Warnings8
Lane Departure › Blind Spot Detection5
Visibility/Wiper2
Lane Departure › Warning2
Complaints received per month (last 24 months with reports)
22/03: 122/11: 123/01: 123/02: 125/04: 1025/05: 2725/06: 3925/07: 6725/08: 425/09: 126/04: 226/08: 326/10: 122/0323/0125/0425/0625/0826/0426/10max 67

Unverified owner reports; best-sellers collect more.

Used 2020 Audi A4 buyer's checklist

  1. Run the VIN at nhtsa.gov/recalls. 3 recalls this year — ask for proof of repairs.
  2. Electrical System — 111 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
  3. Back Over Prevention › Warnings — 47 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
  4. Back Over Prevention › Rearview System Braking — 25 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
  5. Mileage to watch. Owners typically reported problems around 26,000 miles; ask what was repaired near that point.
  6. Before you pay: service records, a history report and an independent inspection.

Generated by DecodedCars from NHTSA recalls and owner complaints for the 2020 Audi A4. Not a substitute for a professional inspection.

Other A4 years

Compare all years →
YearMPG (best)LengthOverallRecallsComplaints
2025 A429187.4 inNot rated01
2024 A430187.4 inNot rated06
2023 A428187.4 inNot rated111
2022 A429187.4 inNot rated37
2021 A428187.4 inNot rated413
2019 A430186.2 inNot rated113
2018 A431186.2 inNot rated454
2017 A431186.2 inNot rated687
2016 A427185 inNot rated326
2015 A426185.8 inNot rated443
2014 A426185.8 inNot rated470
2013 A426185 inNot rated490

Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Audi. How we calculate this →