Research · Midsize Cars
2021 Audi S5 SportbackRecalls, problems, MPG & safety
NHTSA lists 0 safety recalls and 1 owner complaint for the 2021 Audi S5 Sportback. Most complaints involve suspension (1). The EPA rates it 23 mpg combined.
Combined MPG
23mpg
EPA · 1 version
NHTSA overall
—
Not rated by NCAP
Safety recalls
0campaigns
NHTSA
Owner complaints
1
Top: suspension
Fuel cost / yr
$3,250est.
EPA estimate, best version
Safety recalls
NHTSA campaigns for this model year
0 recalls found in NHTSA data for the 2021 Audi S5 Sportback as of Nov 11, 2026.
Data from NHTSA Recalls API · synced Nov 11, 2026NHTSA vehicle page
Owner complaints by component
1 complaints filed with NHTSA · Jun 2021 – Jun 2021
- Suspension1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 11, 2026NHTSA vehicle page
What owners report most
Verbatim excerpts from NHTSA complaints, by component
Suspension
1 report
“The contact owns a 2021 Audi S5. The contact received notification of NHTSA Campaign Number: 21V295000 (Suspension) however, the part to do the recall repair was not yet available. The contact took the vehicle to the local dealer and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact attempted to speak with the manufacturer however, there was no response. The contact had not experienced a failure. Parts distribution disconnect.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026
Engines, transmissions & drive
1 version rated by the EPA
- EPA class
- Midsize Cars
- Engines
- 3.0L 6-cyl turbo
- Transmissions
- Automatic (S8)
- Drive
- All-Wheel Drive
- Fuel
- Premium Gasoline
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
Data from EPA fueleconomy.gov · synced Nov 11, 2026EPA listing
EPA fuel economy by version
City / highway / combined, annual fuel cost and CO₂
EPA
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| S5 Sportback Auto (S8), 6 cyl, 3.0 L, Turbo · All-Wheel Drive | 20 | 28 | 23 | $3,250 | 380 |
- 23mpg comb.
Data from EPA fueleconomy.gov · synced Nov 11, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
NHTSA 5-Star Safety Ratings
1 tested variant
NHTSA has not published 5-Star Safety Ratings for the 2021 Audi S5 Sportback as of Nov 11, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Nov 11, 2026Vehicle 15594
Maintenance basics
General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
- Engine oil & filter5,000–10,000 mi
6–12 months - Tire rotation5,000–7,500 mi
Every oil change - Engine air filter15,000–30,000 mi
1–2 years - Cabin air filter15,000–25,000 mi
1–2 years - Brake fluid—
2–3 years - Coolant60,000–100,000 mi
5–10 years - Spark plugs60,000–100,000 mi
— - 12V battery—
3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
2021 S5 Sportback questions
How many recalls does the 2021 Audi S5 Sportback have?
0 recalls found in NHTSA data as of Nov 11, 2026.
What are the most common 2021 Audi S5 Sportback problems?
Owners filed 1 complaints with NHTSA. The most-cited components are suspension (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
What MPG does the 2021 Audi S5 Sportback get?
The EPA rates the 2021 Audi S5 Sportback at 23 mpg combined, depending on engine and drivetrain (1 version rated).
Data from NHTSA & EPA · synced Nov 11, 2026