Defect Summary: 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.
Research Another Vehicle
Executive Vehicle Verdict
The 2020 Audi A4 is associated with 143 official NHTSA owner defect complaints and 3 safety recall campaigns in the federal safety database.
The most frequently reported component area is Electrical System, accounting for 39 reports (27% of total complaints). EPA testing covers 3 certified vehicle configurations spanning 2l 4-cyl powertrain configurations. Gasoline and hybrid variants deliver 26 to 30 MPG combined. The 2020 Audi A4 belongs to the 5th generation (B9) A4 platform spanning model years 2017–2025.
- • NHTSA Owner Complaints: 143 consumer reports filed
- • Safety Recall Campaigns: 3 official campaigns
- • Primary Defect Domain: Electrical System (39 / 27%)
- • Field Incident Signals: 1 crash / 0 fire / 0 injury reports
- • NCAP Crash Safety: 5 / 5 Stars Overall Laboratory Score
- • EPA Certified Range: 26–30 MPG across 3 powertrain trims
What is the fuel economy and range of the 2020 Audi A4?
Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
|---|---|---|---|---|---|---|---|---|
| A4 | 2L 4-Cyl | Front-Wheel Drive | Automatic (AM-S7) | 27 MPG | 35 MPG | 30 MPG | — | $2,550 / yr |
| A4 quattro | 2L 4-Cyl | All-Wheel Drive | Automatic (AM-S7) | 24 MPG | 32 MPG | 27 MPG | — | $2,800 / yr |
| A4 allroad quattro | 2L 4-Cyl | All-Wheel Drive | Automatic (AM-S7) | 23 MPG | 31 MPG | 26 MPG | — | $2,900 / yr |
What are the crash test safety ratings for the 2020 Audi A4?
Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
|---|---|---|---|---|---|
| 4 DR FWD | 9.9% | ||||
| 4 DR AWD | 9.9% |
Standard and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2020 Audi A4 models.
What defect complaints are reported for the 2020 Audi A4?
Summary of 143 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2020 Audi A4 problems & component breakdown (26 categories) →Are there open safety recalls on the 2020 Audi A4?
Manufacturer safety recall campaigns monitored and recorded by NHTSA
Defect Summary: 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.
Defect Summary: 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.
Quick Answers: Key Questions Drivers Ask About the 2020 Audi A4
Direct, deterministic answers synthesized from verified United States government databases for the 2020 Audi A4
How many safety recalls does the 2020 Audi A4 have?
The 2020 Audi A4 is associated with 3 official NHTSA safety recall campaigns in AutoUtility's current federal records.
If your individual vehicle is affected by an open safety recall, NHTSA advises owners to contact an authorized franchised dealership for the recall remedy at no charge. Because recall campaigns apply to specific production runs and equipment batches, vehicle owners should verify their 17-digit VIN at NHTSA.gov.
What are the most common problems reported for the 2020 Audi A4?
NHTSA records list 143 consumer defect complaints for the 2020 Audi A4. The most frequently referenced vehicle system is Electrical System, appearing in 39 filings (27% of submissions).
Consumer complaints represent unverified owner submissions filed under federal reporting guidelines and describe reported component behavior rather than audited failure rates.
What is the NHTSA safety rating for the 2020 Audi A4?
Under the NHTSA New Car Assessment Program (NCAP), the 2020 Audi A4 earned an Overall Safety Rating of 5 out of 5 stars across 2 tested configuration(s).
Laboratory evaluations include a 35 mph frontal barrier crash, side barrier and pole impact tests, and static rollover resistance assessments.
What fuel economy (MPG) does the 2020 Audi A4 get?
Official EPA laboratory estimates for the 2020 Audi A4 range from 26 to 30 MPG combined (55% city / 45% highway weighted) depending on engine, transmission, and drivetrain configuration.
Using AutoUtility's standardized operating cost model (15,000 miles/year, $3.50/gal gas, $0.16/kWh electricity), annual energy expenditures range across certified configurations based on official EPA laboratory test baselines.
The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:
- NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
- NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
- U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.