NHTSA has 44 owner complaints on file for the 2015 Audi A4[1]. The engine group is the biggest[2].
Most reported problems
Here are the complaint groups in the NHTSA reports, biggest first.
- Engine. 20 complaints[2]. In the stories we read, owners describe waiting on parts for a recall repair, worry about oil use, and an engine that got stuck.
- Electrical system. 7 complaints[6]. In the stories we read, owners describe a parking sensor that stopped working, a battery problem, and a turn signal that behaved oddly.
- Power train. 6 complaints[7]. Owners describe the car rolling when stopped, or not moving right away after being put in gear.
- Air bags. 4 complaints[8]. Owners describe crashes where the bags stayed shut. All 4 of these reports mention a crash[8].
- Unknown or other. 4 complaints[9].
- Steering. 3 complaints[10].
- Fuel and propulsion system. 3 complaints[11].
- Structure. 2 complaints[12].
Recalls
Newest first. Each recall covers only certain vehicles, so not every 2015 A4 is necessarily included.
- Engine And Engine Cooling › Cooling System (18V229), April 2018. About 342,867 vehicles are potentially affected across every model and year the recall names. The recall names these risks: fire. Dealers do the repair free of charge.[13]
- Electrical System › Wiring (17V622), October 2017. About 216,913 vehicles are potentially affected across every model and year the recall names. The recall names these risks: fire. Dealers do the repair free of charge.[14]
- Engine And Engine Cooling › Cooling System (17V002), January 2017. About 342,867 vehicles are potentially affected across every model and year the recall names. The recall names these risks: fire. Dealers do the repair free of charge.[15]
- Air Bags (14V667), October 2014. About 101,938 vehicles are potentially affected across every model and year the recall names. The recall names these risks: injury, an air bag that may not work as intended. Dealers do the repair free of charge.[16]
Fuel economy
EPA ratings depend on the engine and drive. Annual fuel cost uses EPA's current fuel price assumptions, not prices when the car was new.
| Version | City / highway / combined MPG | Annual fuel cost |
|---|---|---|
| A4, 2.0L 4-cyl turbo, Automatic (AV-S8), Premium, Front-Wheel Drive[4] | 24 / 31 / 26 | $3,150 |
| A4 quattro, 2.0L 4-cyl turbo, Manual 6-spd, Premium, All-Wheel Drive[17] | 22 / 32 / 26 | $3,150 |
| A4 quattro, 2.0L 4-cyl turbo, Automatic (S8), Premium or E85, All-Wheel Drive[18] | 21 / 30 / 24 | $3,400 |
Safety ratings
Engine and size
Horsepower is the rating listed for EPA test vehicles.
| Engine | Horsepower |
|---|---|
| 2015 Audi A4 with 2.0L 4-cylinder[20] | 211 to 220 hp |
How 2015 compares with other years
Show the numbers
| Model year | Complaints | Recalls |
|---|---|---|
| 1996 | 89 | 4 |
| 1997 | 98 | 6 |
| 1998 | 258 | 4 |
| 1999 | 190 | 4 |
| 2000 | 96 | 2 |
| 2001 | 131 | 1 |
| 2002 | 181 | 1 |
| 2003 | 210 | 3 |
| 2004 | 189 | 2 |
| 2005 | 219 | 3 |
| 2006 | 298 | 4 |
| 2007 | 219 | 5 |
| 2008 | 191 | 6 |
| 2009 | 144 | 6 |
| 2010 | 64 | 0 |
| 2011 | 43 | 0 |
| 2012 | 45 | 0 |
| 2013 | 111 | 4 |
| 2014 | 78 | 4 |
| 2015 | 44 | 4 |
| 2016 | 26 | 3 |
| 2017 | 87 | 6 |
| 2018 | 54 | 4 |
| 2019 | 13 | 1 |
| 2020 | 158 | 3 |
| 2021 | 13 | 4 |
| 2022 | 7 | 3 |
| 2023 | 11 | 1 |
| 2024 | 6 | 0 |
| 2025 | 1 | 0 |
NHTSA's counts for the A4 show 44 complaints and 4 recalls for 2015[3]. Among the 30 model years listed, 8 have fewer complaints than 2015 and 21 have more[3]. The fewest complaints are for 2025 (1) and the most are for 2006 (298)[3]. These counts are not adjusted for sales, so treat them as a rough guide. The chart above shows every year.
Should you buy a used 2015 A4?
The 2015 Audi A4 has 44 complaints on file[1]. Engine reports make up the largest group[2]. The air bag reports are a small group, but they are the ones tied to crashes and injuries[8]. These are unverified owner reports, and they are not adjusted for how many cars were sold. Read the recalls section on this page, then check that any open recall work on a car you are considering has been done.
Frequently asked questions
- What are the common problems with the 2015 Audi A4?
- The engine group is the biggest, with 20 complaints[2]. Electrical and power train reports follow[6][7].
- Has the 2015 Audi A4 been recalled?
- Yes. The by-year fact lists 4 recalls for 2015[3]. See the Recalls section on this page for the list.
- How many miles before the engine problems show up?
- In the engine reports, the median mileage at failure is 43,372[2]. Treat it as a rough guide, since these are unverified owner reports.
- Is the 2015 Audi A4 reliable?
- NHTSA has 44 owner complaints for this year[1]. Complaints are not adjusted for sales, so read them alongside the recalls and the by-year section on this page.
- What is the gas mileage of the 2015 Audi A4?
- See the fuel economy section on this page for the EPA figures.
Keep exploring
Other model years of the Audi A4
Compare all model years of the Audi A4
Other Audi models from 2015
Similar cars from 2015: compact cars
Facts and sources
- NHTSA has 44 owner complaints on file for the 2015 Audi A4 (4 mention a crash, 0 a fire, 6 injuries, 0 deaths reported). NHTSA vehicle records
- 20 complaints name the engine component group (0 crashes, 0 fires, 0 injuries, median mileage at failure 43,372). NHTSA vehicle records
- Owner complaints and recalls for every Audi A4 model year (chart above). NHTSA recall database
- EPA rating for A4, 2.0L 4-cyl turbo, Automatic (AV-S8), Premium, Front-Wheel Drive: 24 city / 31 highway / 26 combined MPG; EPA estimated annual fuel cost $3,150. EPA / DOE fueleconomy.gov
- NHTSA 5-Star Safety Ratings, 4 DR AWD: overall 5 stars, frontal 5 stars, side 5 stars, rollover 5 stars; rollover risk 9.9%. NHTSA vehicle records
- 7 complaints name the electrical system component group (0 crashes, 0 fires, 1 injuries). NHTSA vehicle records
- 6 complaints name the power train component group (0 crashes, 0 fires, 0 injuries, median mileage at failure 13,500). NHTSA vehicle records
- 4 complaints name the air bags component group (4 crashes, 0 fires, 5 injuries). NHTSA vehicle records
- 4 complaints name the unknown or other component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 3 complaints name the steering component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 3 complaints name the fuel/propulsion system component group (0 crashes, 0 fires, 0 injuries). NHTSA vehicle records
- 2 complaints name the structure component group (1 crashes, 0 fires, 3 injuries). NHTSA vehicle records
- Recall 18V229, filed April 11, 2018: Engine And Engine Cooling › Cooling System. NHTSA recall database
- Recall 17V622, filed October 5, 2017: Electrical System › Wiring. NHTSA recall database
- Recall 17V002, filed January 3, 2017: Engine And Engine Cooling › Cooling System. NHTSA recall database
- Recall 14V667, filed October 24, 2014: Air Bags. NHTSA recall database
- EPA rating for A4 quattro, 2.0L 4-cyl turbo, Manual 6-spd, Premium, All-Wheel Drive: 22 city / 32 highway / 26 combined MPG; EPA estimated annual fuel cost $3,150. EPA / DOE fueleconomy.gov
- EPA rating for A4 quattro, 2.0L 4-cyl turbo, Automatic (S8), Premium or E85, All-Wheel Drive: 21 city / 30 highway / 24 combined MPG; EPA estimated annual fuel cost $3,400. EPA / DOE fueleconomy.gov
- NHTSA 5-Star Safety Ratings, 4 DR FWD: overall 5 stars, frontal 5 stars, side 5 stars, rollover 5 stars; rollover risk 9.9%. NHTSA vehicle records
- EPA Test Car List, 2015 Audi A4 with 2.0L 4-cylinder: rated 211 to 220 hp depending on version. www.epa.gov