2019 Audi S4 Reliability Data: Problems & Recalls
No verdict The 2019 Audi S4 has a complaint index of 20, one of the lowest among the 16 model years tracked, with just 2 complaints and 1 recall. It ranks 13th worst (meaning it's among the better years) with no crashes, fires, or injuries reported.
Based on NHTSA complaints per model-year, not a reliability rating. Methodology
YearToAvoid Scorecard
- Complaint Index
- 20/100
- #13 of 16 S4 years
- Verdict
- No verdict
- vs. other years of this model
- Complaints
- 2
- unique NHTSA reports
- Recalls
- 1
- distinct NHTSA campaigns
- Crashes
- 0
- reported in complaints
- Fires
- 0
- Injuries
- 0
- Top issue
- Brakes
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 24
- 21 city / 30 hwy
- Injuries / deaths
- 0 / 0
Top 2019 Audi S4 problems
Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.
- Brakes1 (50%)
- Engine1 (50%)
- Lane Departure1 (50%)
A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.
What owners report
- Brakes can lock up unexpectedly at highway speed, sometimes triggering the ABS warning light and pre-sense alert.
- A dealer inspection failed to identify the cause of a sudden brake lockup event.
- Owners describe unusual noise from the top end of the engine, suspected to involve the rocker arm or valve train.
- Engine noise issues reportedly surfaced shortly after the warranty mileage limit was passed.
2019 Audi S4 recalls
1 NHTSA recall campaign list this model year.
- NHTSA 21V874000Nov 10, 2021Airbags208,332 vehicles
Air bags:sensor:occupant classification:front passenger
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.
Remedy: 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.
2019 Audi S4 fuel economy and fuel cost
- City
- 21 MPG
- Highway
- 30 MPG
- Combined
- 24 MPG
- Annual fuel cost (EPA)
- $3,300
- 15,000 mi/yr
- Fuel
- Premium
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2019 compared with other S4 years
Frequently asked questions
- Is the 2019 Audi S4 reliable?
- NHTSA data shows the 2019 Audi S4 has a complaint index of 20, well below many other S4 model years, with only 2 complaints logged and no crashes, fires, or injuries reported.
- What problems does the 2019 Audi S4 have?
- Owner complaints split evenly between brakes, engine, and lane departure systems, each with 1 complaint. One brake complaint involved sudden lockup at 19,800 miles with the ABS light on.
- Does the 2019 Audi S4 have any recalls?
- Yes, one recall (campaign 21V874000) covers an airbag-related seat heating mat and cable issue affecting multiple Audi models including the 2019 S4 Sedan.
- How does the 2019 S4 compare to other S4 years?
- The 2019 model ranks 13th worst out of the years with data, meaning most other S4 years, such as 2005 (index 93) and 2010 (index 100), had far more reported problems.
- What is the fuel economy of the 2019 Audi S4?
- The 2019 Audi S4 gets an EPA-rated 24 mpg combined (21 city / 30 highway), with an estimated annual fuel cost of $3,300.